diff --git a/add_curve_extra_objects/__init__.py b/add_curve_extra_objects/__init__.py
index 95c358f0cec11e9b2c7881126149a6437e5c6cc3..cd9f8c967d81ec5e8b70dcf0897993e92688f52e 100644
--- a/add_curve_extra_objects/__init__.py
+++ b/add_curve_extra_objects/__init__.py
@@ -26,10 +26,9 @@ bl_info = {
     "location": "View3D > Add > Curve > Extra Objects",
     "description": "Add extra curve object types",
     "warning": "",
-    "wiki_url": "http://wiki.blender.org/index.php/Extensions:2.6/Py/"\
+    "wiki_url": "http://wiki.blender.org/index.php/Extensions:2.6/Py/"
         "Scripts/Curve/Curve_Objects",
-    "tracker_url": "https://projects.blender.org/tracker/index.php?"\
-        "func=detail&aid=32477",
+    "tracker_url": "https://developer.blender.org/T32477",
     "category": "Add Curve"}
 
 
@@ -38,7 +37,7 @@ if "bpy" in locals():
     imp.reload(add_curve_aceous_galore)
     imp.reload(add_curve_spirals)
     imp.reload(add_curve_torus_knots)
-	
+
 else:
     from . import add_curve_aceous_galore
     from . import add_curve_spirals
diff --git a/add_curve_extra_objects/add_curve_aceous_galore.py b/add_curve_extra_objects/add_curve_aceous_galore.py
index 85063de673ad9e41311d55dc5ae29d6673da8f5d..2389f00f4531705f8fe52f1cbcb33ad33f81fad1 100644
--- a/add_curve_extra_objects/add_curve_aceous_galore.py
+++ b/add_curve_extra_objects/add_curve_aceous_galore.py
@@ -19,18 +19,18 @@
 bl_info = {
     'name': 'Curveaceous Galore!',
     'author': 'Jimmy Hazevoet, testscreenings',
-    'version': (0,2),
+    'version': (0, 2),
     "blender": (2, 59, 0),
     'location': 'View3D > Add > Curve',
     'description': 'Adds many different types of Curves',
     'warning': '', # used for warning icon and text in addons panel
-    'wiki_url': 'http://wiki.blender.org/index.php/Extensions:2.6/Py/' \
+    'wiki_url': 'http://wiki.blender.org/index.php/Extensions:2.6/Py/'
         'Scripts/Curve/Curves_Galore',
-    'tracker_url': 'https://projects.blender.org/tracker/index.php?'\
-        'func=detail&aid=22404',
+    'tracker_url': 'https://developer.blender.org/T22404',
     'category': 'Add Curve'}
 '''
 
+
 ##------------------------------------------------------------
 #### import modules
 import bpy
@@ -47,9 +47,9 @@ import mathutils.noise as Noise
 def randnum(low=0.0, high=1.0, seed=0):
     """
     randnum( low=0.0, high=1.0, seed=0 )
-    
+
     Create random number
-    
+
         Parameters:
             low - lower range
                 (type=float)
@@ -74,9 +74,9 @@ def randnum(low=0.0, high=1.0, seed=0):
 def vTurbNoise(x,y,z, iScale=0.25, Size=1.0, Depth=6, Hard=0, Basis=0, Seed=0):
     """
     vTurbNoise((x,y,z), iScale=0.25, Size=1.0, Depth=6, Hard=0, Basis=0, Seed=0 )
-    
+
     Create randomised vTurbulence noise
-    
+
         Parameters:
             xyz - (x,y,z) float values.
                 (type=3-float tuple)
@@ -126,9 +126,9 @@ def AxisFlip(x,y,z, x_axis=1, y_axis=1, z_axis=1, flip=0 ):
 def ProfileCurve(type=0, a=0.25, b=0.25):
     """
     ProfileCurve( type=0, a=0.25, b=0.25 )
-    
-    Create profile curve 
-        
+
+    Create profile curve
+
         Parameters:
             type - select profile type, L, H, T, U, Z
                 (type=int)
@@ -182,9 +182,9 @@ def ProfileCurve(type=0, a=0.25, b=0.25):
 def MiscCurve(type=1, a=1.0, b=0.5, c=1.0):
     """
     MiscCurve( type=1, a=1.0, b=0.5, c=1.0 )
-    
+
     Create miscellaneous curves
-    
+
         Parameters:
             type - select type, Diamond, Arrow1, Arrow2, Square
                 (type=int)
@@ -227,12 +227,12 @@ def MiscCurve(type=1, a=1.0, b=0.5, c=1.0):
         x = a / 2
         y = b / 2
         r = c / 2
-        
+
         if r > x:
             r = x - 0.0001
         if r > y:
             r = y - 0.0001
-        
+
         if r>0:
             newpoints.append([-x+r,y,0])
             newpoints.append([x-r,y,0])
@@ -258,9 +258,9 @@ def MiscCurve(type=1, a=1.0, b=0.5, c=1.0):
 def StarCurve(starpoints=8, innerradius=0.5, outerradius=1.0, twist=0.0):
     """
     StarCurve( starpoints=8, innerradius=0.5, outerradius=1.0, twist=0.0 )
-    
+
     Create star shaped curve
-    
+
         Parameters:
             starpoints - the number of points
                 (type=int)
@@ -294,9 +294,9 @@ def StarCurve(starpoints=8, innerradius=0.5, outerradius=1.0, twist=0.0):
 def FlowerCurve(petals=8, innerradius=0.5, outerradius=1.0, petalwidth=2.0):
     """
     FlowerCurve( petals=8, innerradius=0.5, outerradius=1.0, petalwidth=2.0 )
-    
+
     Create flower shaped curve
-    
+
         Parameters:
             petals - the number of petals
                 (type=int)
@@ -334,9 +334,9 @@ def FlowerCurve(petals=8, innerradius=0.5, outerradius=1.0, petalwidth=2.0):
 def ArcCurve(sides=6, startangle=0.0, endangle=90.0, innerradius=0.5, outerradius=1.0, type=3):
     """
     ArcCurve( sides=6, startangle=0.0, endangle=90.0, innerradius=0.5, outerradius=1.0, type=3 )
-    
+
     Create arc shaped curve
-    
+
         Parameters:
             sides - number of sides
                 (type=int)
@@ -386,13 +386,13 @@ def ArcCurve(sides=6, startangle=0.0, endangle=90.0, innerradius=0.5, outerradiu
     return newpoints
 
 ##------------------------------------------------------------
-# 2DCurve: Cog wheel: 
+# 2DCurve: Cog wheel:
 def CogCurve(theeth=8, innerradius=0.8, middleradius=0.95, outerradius=1.0, bevel=0.5):
     """
     CogCurve( theeth=8, innerradius=0.8, middleradius=0.95, outerradius=1.0, bevel=0.5 )
-    
+
     Create cog wheel shaped curve
-    
+
         Parameters:
             theeth - number of theeth
                 (type=int)
@@ -442,9 +442,9 @@ def CogCurve(theeth=8, innerradius=0.8, middleradius=0.95, outerradius=1.0, beve
 def nSideCurve(sides=6, radius=1.0):
     """
     nSideCurve( sides=6, radius=1.0 )
-    
+
     Create n-sided curve
-    
+
         Parameters:
             sides - number of sides
                 (type=int)
@@ -472,9 +472,9 @@ def nSideCurve(sides=6, radius=1.0):
 def SplatCurve(sides=24, scale=1.0, seed=0, basis=0, radius=1.0):
     """
     SplatCurve( sides=24, scale=1.0, seed=0, basis=0, radius=1.0 )
-    
+
     Create splat curve
-    
+
         Parameters:
             sides - number of sides
                 (type=int)
@@ -513,9 +513,9 @@ def SplatCurve(sides=24, scale=1.0, seed=0, basis=0, radius=1.0):
 def HelixCurve( number=100, height=2.0, startangle=0.0, endangle=360.0, width=1.0, a=0.0, b=0.0 ):
     """
     HelixCurve( number=100, height=2.0, startangle=0.0, endangle=360.0, width=1.0, a=0.0, b=0.0 )
-    
+
     Create helix curve
-    
+
         Parameters:
             number - the number of points
                 (type=int)
@@ -539,7 +539,7 @@ def HelixCurve( number=100, height=2.0, startangle=0.0, endangle=360.0, width=1.
     newpoints = []
     angle = (2.0/360.0)*(endangle-startangle)
     step = angle/(number-1)
-    h = height/angle    
+    h = height/angle
     start = (startangle*2.0/360.0)
     a/=angle
     i = 0
@@ -557,7 +557,7 @@ def HelixCurve( number=100, height=2.0, startangle=0.0, endangle=360.0, width=1.
 def CycloidCurve( number=24, length=2.0, type=0, a=1.0, b=1.0, startangle=0.0, endangle=360.0 ):
     """
     CycloidCurve( number=24, length=2.0, type=0, a=1.0, b=1.0, startangle=0.0, endangle=360.0 )
-    
+
     Create a Cycloid, Epicycloid or Hypocycloid curve
 
         Parameters:
@@ -752,7 +752,7 @@ def main(context, self, align_matrix):
                             self.cyclo_b,
                             self.cycloStart,
                             self.cycloEnd)
-        
+
     # turn verts into array
     vertArray = vertsToPoints(verts, splineType)
 
@@ -847,7 +847,7 @@ class Curveaceous_galore(bpy.types.Operator):
                     default=0.1,
                     min=0, soft_min=0,
                     description="var3 of MiscCurve")
-                    
+
     #### Common properties
     innerRadius = FloatProperty(name="Inner radius",
                     default=0.5,
@@ -861,7 +861,7 @@ class Curveaceous_galore(bpy.types.Operator):
                     default=1.0,
                     min=0, soft_min=0,
                     description="Outer radius")
-                    
+
     #### Flower properties
     petals = IntProperty(name="Petals",
                     default=8,
@@ -991,7 +991,7 @@ class Curveaceous_galore(bpy.types.Operator):
     def draw(self, context):
         layout = self.layout
 
-        # general options        
+        # general options
         col = layout.column()
         col.prop(self, 'GalloreType')
         col.label(text=self.GalloreType + " Options:")
@@ -1107,7 +1107,7 @@ class Curveaceous_galore(bpy.types.Operator):
 
         # main function
         main(context, self, self.align_matrix)
-        
+
         # restore pre operator undo state
         bpy.context.user_preferences.edit.use_global_undo = undo
 
diff --git a/add_curve_extra_objects/add_curve_torus_knots.py b/add_curve_extra_objects/add_curve_torus_knots.py
index cb974e138f1e2819b2d3bc7d4c91a70d9e9602dd..591517cdf5af92e7afa3d8571e391a0ab7984a63 100644
--- a/add_curve_extra_objects/add_curve_torus_knots.py
+++ b/add_curve_extra_objects/add_curve_torus_knots.py
@@ -20,18 +20,17 @@
 bl_info = {
     "name": "Torus Knots",
     "author": "testscreenings",
-    "version": (0,1),
+    "version": (0, 1),
     "blender": (2, 59, 0),
     "location": "View3D > Add > Curve",
     "description": "Adds many types of (torus) knots",
     "warning": "",
-    "wiki_url": "http://wiki.blender.org/index.php/Extensions:2.6/Py/"\
+    "wiki_url": "http://wiki.blender.org/index.php/Extensions:2.6/Py/"
         "Scripts/Curve/Torus_Knot",
-    "tracker_url": "https://projects.blender.org/tracker/index.php?"\
-        "func=detail&aid=22403",
+    "tracker_url": "https://developer.blender.org/T22403",
     "category": "Add Curve"}
-'''    
-    
+'''
+
 ##------------------------------------------------------------
 #### import modules
 import bpy
@@ -39,7 +38,7 @@ from bpy.props import *
 from math import sin, cos, pi
 from bpy_extras.object_utils import AddObjectHelper, object_data_add
 
-    
+
 ########################################################################
 ####################### Knot Definitions ###############################
 ########################################################################
@@ -52,7 +51,7 @@ def Torus_Knot(self):
     u = self.torus_u
     v = self.torus_v
     rounds = self.torus_rounds
-    
+
     newPoints = []
     angle = 2*rounds
     step = angle/(res-1)
@@ -61,11 +60,11 @@ def Torus_Knot(self):
 
     for i in range(res-1):
         t = ( i*step*pi)
-        
+
         x = (2 * scale + cos((q*t)/p*v)) * cos(t * u)
         y = (2 * scale + cos((q*t)/p*v)) * sin(t * u)
         z = sin(q*t/p) * height
-        
+
         newPoints.extend([x,y,z,1])
 
     return newPoints
@@ -83,8 +82,8 @@ def create_torus_knot(self, context):
     spline.use_endpoint_u = True
     spline.use_cyclic_u = True
     spline.order_u = 4
-    curve_data.dimensions = '3D'    
-    
+    curve_data.dimensions = '3D'
+
     if self.geo_surf:
         curve_data.bevel_depth = self.geo_bDepth
         curve_data.bevel_resolution = self.geo_bRes
@@ -92,7 +91,7 @@ def create_torus_knot(self, context):
         curve_data.extrude = self.geo_extrude
         #curve_data.offset = self.geo_width # removed, somehow screws things up all of a sudden
         curve_data.resolution_u = self.geo_res
-    
+
     new_obj = object_data_add(context, curve_data, operator=self)
 
 
@@ -171,10 +170,10 @@ class torus_knot_plus(bpy.types.Operator, AddObjectHelper):
     def draw(self, context):
         layout = self.layout
 
-        # general options        
+        # general options
         layout.label(text="Torus Knot Parameters:")
 
-        # Parameters 
+        # Parameters
         box = layout.box()
         box.prop(self, 'torus_res')
         box.prop(self, 'torus_w')
@@ -201,7 +200,7 @@ class torus_knot_plus(bpy.types.Operator, AddObjectHelper):
         col = layout.column()
         col.prop(self, 'location')
         col.prop(self, 'rotation')
-    
+
     ##### POLL #####
     @classmethod
     def poll(cls, context):
@@ -212,13 +211,13 @@ class torus_knot_plus(bpy.types.Operator, AddObjectHelper):
         # turn off undo
         undo = bpy.context.user_preferences.edit.use_global_undo
         bpy.context.user_preferences.edit.use_global_undo = False
-        
+
         if not self.options_plus:
             self.torus_rounds = self.torus_p
 
         #recoded for add_utils
         create_torus_knot(self, context)
-        
+
         # restore pre operator undo state
         bpy.context.user_preferences.edit.use_global_undo = undo
 
diff --git a/add_curve_ivygen.py b/add_curve_ivygen.py
index aade98a7f0f13d36c446e8e1ed29f430a4aa44a0..3c30e52b0fc52bd7f4cafe4116fdab1f7698bb8f 100644
--- a/add_curve_ivygen.py
+++ b/add_curve_ivygen.py
@@ -24,13 +24,12 @@ bl_info = {
     "version": (0, 1, 1),
     "blender": (2, 59, 0),
     "location": "View3D > Add > Curve",
-    "description": "Adds generated ivy to a mesh object starting at the 3D"\
-                   " cursor",
+    "description": "Adds generated ivy to a mesh object starting "
+        "at the 3D cursor",
     "warning": "",
-    "wiki_url": "http://wiki.blender.org/index.php/Extensions:2.6/Py/"\
+    "wiki_url": "http://wiki.blender.org/index.php/Extensions:2.6/Py/"
                 "Scripts/Curve/Ivy_Gen",
-    "tracker_url": "http://projects.blender.org/tracker/index.php?"\
-                   "func=detail&aid=27234",
+    "tracker_url": "https://developer.blender.org/T27234",
     "category": "Add Curve"}
 
 
diff --git a/add_curve_sapling/__init__.py b/add_curve_sapling/__init__.py
index 12d757576163a10fe39fca03a20fd9e3400ec835..272d5ab9dd26bab9df3ef6d221d149318d5c4ca2 100644
--- a/add_curve_sapling/__init__.py
+++ b/add_curve_sapling/__init__.py
@@ -26,12 +26,12 @@ bl_info = {
     "Jason Weber & Joseph Penn in their paper 'Creation and Rendering of "
     "Realistic Trees'."),
     "warning": "length parameters may cause errors",  # used for warning icon and text in addons panel
-    "wiki_url": "http://wiki.blender.org/index.php/Extensions:2.6/Py/"\
+    "wiki_url": "http://wiki.blender.org/index.php/Extensions:2.6/Py/"
         "Scripts/Curve/Sapling_Tree",
-    "tracker_url": "http://projects.blender.org/tracker/"\
-        "?func=detail&atid=469&aid=27226&group_id=153",
+    "tracker_url": "https://developer.blender.org/T27226",
     "category": "Add Curve"}
 
+
 if "bpy" in locals():
     import imp
     imp.reload(utils)
@@ -157,7 +157,7 @@ class AddTree(bpy.types.Operator):
 
     def update_tree(self, context):
         self.do_update = True
-    
+
     def no_update_tree(self, context):
         self.do_update = False
 
@@ -407,20 +407,20 @@ class AddTree(bpy.types.Operator):
             box = layout.box()
             box.label("Geometry:")
             box.prop(self, 'bevel')
-            
+
             row = box.row()
             row.prop(self, 'bevelRes')
             row.prop(self, 'resU')
-            
+
             box.prop(self, 'handleType')
             box.prop(self, 'shape')
             box.prop(self, 'seed')
             box.prop(self, 'ratio')
-            
+
             row = box.row()
             row.prop(self, 'scale')
             row.prop(self, 'scaleV')
-            
+
             row = box.row()
             row.prop(self, 'scale0')
             row.prop(self, 'scaleV0')
@@ -455,15 +455,15 @@ class AddTree(bpy.types.Operator):
             box.prop(self, 'levels')
             box.prop(self, 'baseSplits')
             box.prop(self, 'baseSize')
-            
+
             split = box.split()
-            
+
             col = split.column()
             col.prop(self, 'branches')
             col.prop(self, 'splitAngle')
             col.prop(self, 'downAngle')
             col.prop(self, 'rotate')
-            
+
             col = split.column()
             col.prop(self, 'segSplits')
             col.prop(self, 'splitAngleV')
@@ -477,19 +477,19 @@ class AddTree(bpy.types.Operator):
             box.label("Branch Growth:")
             box.prop(self, 'startCurv')
             box.prop(self, 'attractUp')
-            
+
             split = box.split()
-            
+
             col = split.column()
             col.prop(self, 'length')
             col.prop(self, 'curve')
             col.prop(self, 'curveBack')
-            
+
             col = split.column()
             col.prop(self, 'lengthV')
             col.prop(self, 'curveV')
             col.prop(self, 'taper')
-            
+
             box.column().prop(self, 'curveRes')
 
         elif self.chooseSet == '3':
@@ -499,7 +499,7 @@ class AddTree(bpy.types.Operator):
             box.prop(self, 'pruneRatio')
             box.prop(self, 'pruneWidth')
             box.prop(self, 'pruneWidthPeak')
-            
+
             row = box.row()
             row.prop(self, 'prunePowerHigh')
             row.prop(self, 'prunePowerLow')
@@ -511,25 +511,25 @@ class AddTree(bpy.types.Operator):
             box.prop(self, 'leafShape')
             box.prop(self, 'leaves')
             box.prop(self, 'leafDist')
-            
+
             row = box.row()
             row.prop(self, 'leafScale')
             row.prop(self, 'leafScaleX')
-            
+
             box.prop(self, 'bend')
 
         elif self.chooseSet == '5':
             box = layout.box()
             box.label("Armature and Animation:")
-            
+
             row = box.row()
             row.prop(self, 'useArm')
             row.prop(self, 'armAnim')
-            
+
             row = box.row()
             row.prop(self, 'windSpeed')
             row.prop(self, 'windGust')
-            
+
             box.prop(self, 'frameRate')
 
     def execute(self, context):
@@ -550,7 +550,7 @@ class AddTree(bpy.types.Operator):
         addTree(self)
         print("Tree creation in %0.1fs" %(time.time()-start_time))
         return {'FINISHED'}
-    
+
     def invoke(self, context, event):
 #        global settings, useSet
 #        useSet = True
diff --git a/add_mesh_BoltFactory/__init__.py b/add_mesh_BoltFactory/__init__.py
index 7488856de02f38382326ce6b65e23e879eaaa229..b243a03cb006bf03cd025894cb03d8e36010cb10 100644
--- a/add_mesh_BoltFactory/__init__.py
+++ b/add_mesh_BoltFactory/__init__.py
@@ -23,12 +23,12 @@ bl_info = {
     "blender": (2, 63, 0),
     "location": "View3D > Add > Mesh",
     "description": "Add a bolt or nut",
-    "wiki_url": "http://wiki.blender.org/index.php/Extensions:2.6/Py/"\
+    "wiki_url": "http://wiki.blender.org/index.php/Extensions:2.6/Py/"
         "Scripts/Add_Mesh/BoltFactory",
-    "tracker_url": "https://projects.blender.org/tracker/index.php?"\
-        "func=detail&aid=22842",
+    "tracker_url": "https://developer.blender.org/T22842",
     "category": "Add Mesh"}
 
+
 if "bpy" in locals():
     import imp
     imp.reload(Boltfactory)
@@ -55,6 +55,6 @@ def unregister():
 
     bpy.types.INFO_MT_mesh_add.remove(add_mesh_bolt_button)
     #bpy.types.VIEW3D_PT_tools_objectmode.remove(add_mesh_bolt_button) #just for testing
-    
+
 if __name__ == "__main__":
     register()
diff --git a/add_mesh_ant_landscape.py b/add_mesh_ant_landscape.py
index be6393ceef7e1e55e12ae37e1a70c59633c59874..25fe5d3c1d74565c8550bc9ca28e41b71464d72a 100644
--- a/add_mesh_ant_landscape.py
+++ b/add_mesh_ant_landscape.py
@@ -24,10 +24,9 @@ bl_info = {
     "location": "View3D > Add > Mesh",
     "description": "Add a landscape primitive",
     "warning": "", # used for warning icon and text in addons panel
-    "wiki_url": "http://wiki.blender.org/index.php/Extensions:2.6/Py/"\
+    "wiki_url": "http://wiki.blender.org/index.php/Extensions:2.6/Py/"
         "Scripts/Add_Mesh/ANT_Landscape",
-    "tracker_url": "https://projects.blender.org/tracker/index.php?"\
-        "func=detail&aid=23130",
+    "tracker_url": "https://developer.blender.org/T23130",
     "category": "Add Mesh"}
 
 """
@@ -356,7 +355,7 @@ def landscape_gen(x,y,z,falloffsize,options=[0,1.0,1, 0,0,1.0,0,6,1.0,2.0,1.0,2.
         value = ( value * (1.0-0.5) + steps*0.5 ) * 2.0
     elif stratatype == '2':
         steps = -abs( sin( value*(strata)*pi ) * ( 0.1/(strata)*pi ) )
-        value =( value * (1.0-0.5) + steps*0.5 ) * 2.0 
+        value =( value * (1.0-0.5) + steps*0.5 ) * 2.0
     elif stratatype == '3':
         steps = abs( sin( value*(strata)*pi ) * ( 0.1/(strata)*pi ) )
         value =( value * (1.0-0.5) + steps*0.5 ) * 2.0
@@ -484,7 +483,7 @@ class landscape_add(bpy.types.Operator):
                 ("7","Marble","Marble"),
                 ("8","Shattered_hTerrain","Shattered_hTerrain"),
                 ("9","Strata_hTerrain","Strata_hTerrain")]
-                
+
     NoiseType = EnumProperty(name="Type",
                 description="Noise type",
                 items=NoiseTypes)
diff --git a/add_mesh_extra_objects/__init__.py b/add_mesh_extra_objects/__init__.py
index a8c71ae5a886794c88c28bdbe1ed7f6808095e9f..93cb7f23d8b1702b7b8c77d4e04fe1110a34e0bd 100644
--- a/add_mesh_extra_objects/__init__.py
+++ b/add_mesh_extra_objects/__init__.py
@@ -26,10 +26,9 @@ bl_info = {
     "location": "View3D > Add > Mesh > Extra Objects",
     "description": "Add extra object types",
     "warning": "",
-    "wiki_url": "http://wiki.blender.org/index.php/Extensions:2.6/Py/"\
+    "wiki_url": "http://wiki.blender.org/index.php/Extensions:2.6/Py/"
         "Scripts/Add_Mesh/Add_Extra",
-    "tracker_url": "http://projects.blender.org/tracker/index.php?"\
-        "func=detail&aid=22457",
+    "tracker_url": "https://developer.blender.org/T22457",
     "category": "Add Mesh"}
 
 
@@ -89,7 +88,7 @@ class INFO_MT_mesh_gemstones_add(bpy.types.Menu):
         layout.operator("mesh.primitive_gem_add",
             text="Gem")
 
-			
+
 class INFO_MT_mesh_gears_add(bpy.types.Menu):
     # Define the "Gears" menu
     bl_idname = "INFO_MT_mesh_gears_add"
@@ -133,7 +132,7 @@ class INFO_MT_mesh_basic_add(bpy.types.Menu):
             text="Trapezohedron")
         layout.operator("mesh.primitive_polysphere_add",
             text="Polysphere")
-			
+
 class INFO_MT_mesh_torus_add(bpy.types.Menu):
     # Define the "Simple Objects" menu
     bl_idname = "INFO_MT_mesh_torus_add"
diff --git a/add_mesh_extra_objects/add_mesh_3d_function_surface.py b/add_mesh_extra_objects/add_mesh_3d_function_surface.py
index 2fa128a41babadc6bf9df443bb335a54c6f1964a..64fe9879fa6fad18eb1e6f85c8ad650e8483e0a7 100644
--- a/add_mesh_extra_objects/add_mesh_3d_function_surface.py
+++ b/add_mesh_extra_objects/add_mesh_3d_function_surface.py
@@ -24,10 +24,9 @@ bl_info = {
     "location": "View3D > Add > Mesh",
     "description": "Create Objects using Math Formulas",
     "warning": "",
-    "wiki_url": "http://wiki.blender.org/index.php/Extensions:2.5/Py/"\
+    "wiki_url": "http://wiki.blender.org/index.php/Extensions:2.5/Py/"
         "Scripts/Add_Mesh/Add_3d_Function_Surface",
-    "tracker_url": "https://projects.blender.org/tracker/index.php?"\
-        "func=detail&aid=21444",
+    "tracker_url": "https://developer.blender.org/T21444",
     "category": "Add Mesh"}
 '''
 
diff --git a/add_mesh_extra_objects/add_mesh_gears.py b/add_mesh_extra_objects/add_mesh_gears.py
index 38a3d0be42e619fa4f74c0f0c358177cbe6b3ea7..7dfa46b00451a99d9beb29e1755ae1124d7e47b4 100644
--- a/add_mesh_extra_objects/add_mesh_gears.py
+++ b/add_mesh_extra_objects/add_mesh_gears.py
@@ -27,10 +27,9 @@ bl_info = {
     "location": "View3D > Add > Mesh > Gears ",
     "description": "Adds a mesh Gear to the Add Mesh menu",
     "warning": "",
-    "wiki_url": "http://wiki.blender.org/index.php/Extensions:2.5/Py/"\
+    "wiki_url": "http://wiki.blender.org/index.php/Extensions:2.5/Py/"
         "Scripts/Add_Mesh/Add_Gear",
-    "tracker_url": "https://projects.blender.org/tracker/index.php?"\
-        "func=detail&aid=21732",
+    "tracker_url": "https://developer.blender.org/T21732",
     "category": "Add Mesh"}
 '''
 
@@ -638,19 +637,19 @@ class AddGear(bpy.types.Operator):
 
     def draw(self, context):
         layout = self.layout
-        
+
         box = layout.box()
         box.prop(self, 'number_of_teeth')
-        
+
         box = layout.box()
         box.prop(self, 'radius')
         box.prop(self, 'width')
         box.prop(self, 'base')
-        
+
         box = layout.box()
         box.prop(self, 'dedendum')
         box.prop(self, 'addendum')
-        
+
         box = layout.box()
         box.prop(self, 'angle')
         box.prop(self, 'skew')
diff --git a/add_mesh_extra_objects/add_mesh_gemstones.py b/add_mesh_extra_objects/add_mesh_gemstones.py
index 7d3db788ccad11d9c81e93b288b43401a9d2a5f7..7372d2f78bcc1cc369537be3c706ad409beafb2b 100644
--- a/add_mesh_extra_objects/add_mesh_gemstones.py
+++ b/add_mesh_extra_objects/add_mesh_gemstones.py
@@ -24,10 +24,9 @@ bl_info = {
     "location": "View3D > Add > Mesh > Gemstones",
     "description": "Adds various gemstone (Diamond & Gem) meshes.",
     "warning": "",
-    "wiki_url": "http://wiki.blender.org/index.php/Extensions:2.5/Py/"\
+    "wiki_url": "http://wiki.blender.org/index.php/Extensions:2.5/Py/"
         "Scripts/Add_Mesh/Add_Gemstones",
-    "tracker_url": "https://projects.blender.org/tracker/index.php?"\
-        "func=detail&aid=21432",
+    "tracker_url": "https://developer.blender.org/T21432",
     "category": "Add Mesh"}
 '''
 import bpy
diff --git a/add_mesh_extra_objects/add_mesh_honeycomb.py b/add_mesh_extra_objects/add_mesh_honeycomb.py
index e810e0deba111df40856ec984d3148cd3d5dd62d..d42f66d55de0dc2a048bb625289d86a4ec63b654 100644
--- a/add_mesh_extra_objects/add_mesh_honeycomb.py
+++ b/add_mesh_extra_objects/add_mesh_honeycomb.py
@@ -21,13 +21,11 @@ bl_info = {
     "author": "Kayo Phoenix <kayo@illumium.org>",
     "version": (0, 1),
     "blender": (2, 57, 0),
-    "api": 35853,
     "location": "View3D > Add > Mesh > HoneyComb",
     "description": "Adds HoneyComb Mesh",
     "warning": "",
     "wiki_url": "http://wiki.blender.org/index.php/Extensions:2.5/Py/Scripts/Add_Mesh/HoneyComb",
-    "category": "Add Mesh"
-    }
+    "category": "Add Mesh"}
 '''
 from math import pi, sin, cos
 
@@ -37,37 +35,37 @@ class honeycomb_geometry():
         self.cols = cols
         self.D = D
         self.E = E
-        
+
         self.hE = 0.5 * self.E
         self.R = 0.5 * self.D
-    
+
         self.a = sin(pi / 3)
-        
+
         self.d = self.a * self.D
         self.hd = 0.5 * self.d
         self.e = self.hE / self.a
         self.he = 0.5 * self.e
         self.r = self.R - self.e
         self.hr = 0.5 * self.r
-        
-        
+
+
         self.H = self.R * (1.5 * self.rows + 0.5) + self.e
         if self.rows > 1:
             self.W = self.d * (self.cols + 0.5) + self.E
         else:
             self.W = self.d * self.cols + self.E
-        
+
         self.hH = 0.5 * self.H
         self.hW = 0.5 * self.W
-        
+
         self.sy = -self.hH + self.he + self.R
         self.sx = -self.hW + self.hE + self.hd
-        
+
         self.gx = self.hd
-        
+
         self.dy = 1.5 * self.R
         self.dx = self.d
-    
+
     def vert(self, row, col):
         # full cell
         if row >= 0 and row < self.rows and col >= 0 and col < self.cols: return [0, 1, 2, 3, 4, 5]
@@ -101,20 +99,20 @@ class honeycomb_geometry():
                 if row % 2 or self.rows == 1: return [2, 3]
                 else: return [1, 2, 3, 4]
         return []
-    
+
     def cell(self, row, col, idx):
         cp = [self.sx + self.dx * col, self.sy + self.dy * row, 0] # central point
         if row % 2: cp[0] += self.gx
         co = [] # vertexes coords
         vi = self.vert(row, col)
         ap = {}
-        
+
         for i in vi:
             a = pi / 6 + i * pi / 3 # angle
             ap[i] = idx + len(co)
             co.append((cp[0] + cos(a) * self.r, cp[1] + sin(a) * self.r, cp[2]))
         return co, ap
-    
+
     def generate(self):
         ar = 1
         ac = 1
@@ -122,7 +120,7 @@ class honeycomb_geometry():
         cells = []
         verts = []
         faces = []
-        
+
         for row in range(-ar, self.rows + ar):
             level = []
             for col in range(-ac, self.cols + ac):
@@ -130,14 +128,14 @@ class honeycomb_geometry():
                 verts += co
                 level.append(ap)
             cells.append(level)
-        
+
         # bottom row
         row = 0
         for col in range(1, len(cells[row]) - 1):
             s = cells[row][col]
             l = cells[row][col - 1]
             u = cells[row + 1][col]
-            
+
             faces.append((s[1], u[5], u[4], s[2]))
             faces.append((s[2], u[4], l[0]))
 
@@ -151,7 +149,7 @@ class honeycomb_geometry():
             d = cells[row - 1][col - cs]
             faces.append((s[3], l[5], d[1]))
             faces.append([s[3], d[1], d[0], s[4]])
-            
+
         # middle rows
         for row in range(1, len(cells) - 1):
             cs = 0
@@ -161,25 +159,25 @@ class honeycomb_geometry():
                 l = cells[row][col - 1]
                 u = cells[row + 1][col - cs]
                 d = cells[row - 1][col - cs]
-                
+
                 faces.append((s[1], u[5], u[4], s[2]))
                 faces.append((s[2], u[4], l[0]))
                 faces.append([s[2], l[0], l[5], s[3]])
                 faces.append((s[3], l[5], d[1]))
                 faces.append([s[3], d[1], d[0], s[4]])
-        
+
         # right column
         row = 0
         col = len(cells[row]) - 1
         for row in range(1, len(cells) - 1):
             cs = 0
             if row % 2: cs += 1
-            
+
             s = cells[row][col]
             l = cells[row][col - 1]
             u = cells[row + 1][col - cs]
             d = cells[row - 1][col - cs]
-            
+
             if row % 2 and row < len(cells) - 2:
                 faces.append((s[1], u[5], u[4], s[2]))
             faces.append((s[2], u[4], l[0]))
@@ -187,7 +185,7 @@ class honeycomb_geometry():
             faces.append((s[3], l[5], d[1]))
             if row % 2 and row > 1:
                 faces.append([s[3], d[1], d[0], s[4]])
-                
+
         # final fix
         if not self.rows % 2:
             row = len(cells) - 1
@@ -196,7 +194,7 @@ class honeycomb_geometry():
             d = cells[row - 1][col - 1]
             faces.append((s[3], l[5], d[1]))
             faces.append([s[3], d[1], d[0], s[4]])
-        
+
         return verts, faces
 
 import bpy
@@ -211,31 +209,31 @@ class add_mesh_honeycomb(bpy.types.Operator):
     bl_idname = 'mesh.honeycomb_add'
     bl_label = 'Add HoneyComb'
     bl_options = {'REGISTER', 'UNDO'}
-    
+
     rows = IntProperty(
         name = 'Num of rows', default = 2,
         min = 1, max = 100,
         description='Number of the rows')
-    
+
     cols = IntProperty(
         name = 'Num of cols', default = 2,
         min = 1, max = 100,
         description='Number of the columns')
-    
+
     def fix_edge(self, context):
         m = edge_max(self.diam)
         if self.edge > m: self.edge = m
-    
+
     diam = FloatProperty(
         name = 'Cell Diameter', default = 1.0,
         min = 0.0, update = fix_edge,
         description='Diameter of the cell')
-    
+
     edge = FloatProperty(
         name = 'Edge Width', default = 0.1,
         min = 0.0, update = fix_edge,
         description='Width of the edge')
-    
+
     # generic transform props
     view_align = BoolProperty(
         name="Align to View",
@@ -246,24 +244,24 @@ class add_mesh_honeycomb(bpy.types.Operator):
     rotation = FloatVectorProperty(
         name="Rotation",
         subtype='EULER')
-    
+
     ##### POLL #####
     @classmethod
     def poll(cls, context):
         return context.scene is not None
-    
+
     ##### EXECUTE #####
     def execute(self, context):
         mesh = bpy.data.meshes.new(name='honeycomb')
-        
+
         comb = honeycomb_geometry(self.rows, self.cols, self.diam, self.edge)
         verts, faces = comb.generate()
-        
+
         mesh.from_pydata(vertices = verts, edges = [], faces = faces)
         mesh.update()
-        
+
         object_utils.object_data_add(context, mesh, operator=self)
-        
+
         return {'FINISHED'}
 '''
 def menu_func(self, context):
@@ -271,14 +269,14 @@ def menu_func(self, context):
 
 def register():
     bpy.utils.register_module(__name__)
-    
+
     bpy.types.INFO_MT_mesh_add.append(menu_func)
 
 def unregister():
     bpy.utils.unregister_module(__name__)
-    
+
     bpy.types.INFO_MT_mesh_add.remove(menu_func)
-    
+
 if __name__ == "__main__":
     register()
 '''
diff --git a/add_mesh_extra_objects/add_mesh_polysphere.py b/add_mesh_extra_objects/add_mesh_polysphere.py
index 3454618c4ec22abe66f72896cceb1abe6fa8fe44..5c5b1c2ecadbdcab3f1b5d8ebb982d24d3bc404a 100644
--- a/add_mesh_extra_objects/add_mesh_polysphere.py
+++ b/add_mesh_extra_objects/add_mesh_polysphere.py
@@ -18,17 +18,17 @@
 '''
 bl_info = {
     "name": "Add PolySphere",
-    "author": "Andy Davies (metalliandy)",			
+    "author": "Andy Davies (metalliandy)",
     "version": (0,1,6),
     "blender": (2, 62, 0),
     "location": "View3D > Add > Mesh > PolySphere",
     "description": "Adds a PolySphere (all quads) for sculpting",
     "warning": "",
-    "wiki_url": "http://wiki.blender.org/index.php/Extensions:2.5/Py/"\
+    "wiki_url": "http://wiki.blender.org/index.php/Extensions:2.5/Py/"
         "Scripts/Add_Mesh/Add_PolySphere",
     "tracker_url": "",
     "category": "Add Mesh"}
-'''    
+'''
 
 import bpy
 
@@ -50,7 +50,7 @@ def Add_PolySphere():
     subsurf = cube.modifiers['Subsurf']
 
     #Changes Subsurf levels
-    subsurf.levels = 3  
+    subsurf.levels = 3
 
     #Applys Subsurf Modifier
     bpy.ops.object.modifier_apply(apply_as='DATA', modifier="Subsurf")
@@ -69,16 +69,16 @@ def Add_PolySphere():
 
     #Change to Objectmode
     bpy.ops.object.editmode_toggle()
-    
+
     #Scales Object to 2.0 Units
     bpy.ops.transform.resize(value=(1.15525, 1.15525, 1.15525), constraint_axis=(False, False, False), constraint_orientation='GLOBAL', mirror=False, proportional='DISABLED', proportional_edit_falloff='SMOOTH', proportional_size=1, snap=False, snap_target='CLOSEST', snap_point=(0, 0, 0), snap_align=False, snap_normal=(0, 0, 0), release_confirm=False)
-    
+
     #Applys location, rotation and scale data
     bpy.ops.object.transform_apply(location=True, rotation=True, scale=True)
 
 #makes PolySphere an operator
 class AddPolySphere(bpy.types.Operator):
-    
+
     bl_idname = "mesh.primitive_polysphere_add"
     bl_label = "Add PolySphere"
     bl_options = {'REGISTER', 'UNDO'}
diff --git a/add_mesh_extra_objects/add_mesh_twisted_torus.py b/add_mesh_extra_objects/add_mesh_twisted_torus.py
index 4ebf7e3ef800241bf4602d3460b2a6079449150a..984c26552649650e276bbd12ea3d5c5a5436e55c 100644
--- a/add_mesh_extra_objects/add_mesh_twisted_torus.py
+++ b/add_mesh_extra_objects/add_mesh_twisted_torus.py
@@ -28,12 +28,11 @@ bl_info = {
     "location": "View3D > Add > Mesh ",
     "description": "Adds a mesh Twisted Torus to the Add Mesh menu",
     "warning": "",
-    "wiki_url": "http://wiki.blender.org/index.php/Extensions:2.5/Py/"\
+    "wiki_url": "http://wiki.blender.org/index.php/Extensions:2.5/Py/"
         "Scripts/Add_Mesh/Add_Twisted_Torus",
-    "tracker_url": "https://projects.blender.org/tracker/index.php?"\
-        "func=detail&aid=21622",
+    "tracker_url": "https://developer.blender.org/T21622",
     "category": "Add Mesh"}
-	
+
 Usage:
 
 * Launch from Add Mesh menu
diff --git a/add_mesh_pipe_joint.py b/add_mesh_pipe_joint.py
index 9d1fcc0ded9eb5971e649462f8ba7faa60bb0855..adb9aea12730bfe73a6ba70bf8189f7721e3d4cf 100644
--- a/add_mesh_pipe_joint.py
+++ b/add_mesh_pipe_joint.py
@@ -24,10 +24,9 @@ bl_info = {
     "location": "View3D > Add > Mesh > Pipe Joints",
     "description": "Add different types of pipe joints",
     "warning": "",
-    "wiki_url": "http://wiki.blender.org/index.php/Extensions:2.6/Py/"\
+    "wiki_url": "http://wiki.blender.org/index.php/Extensions:2.6/Py/"
         "Scripts/Add_Mesh/Add_Pipe_Joints",
-    "tracker_url": "https://projects.blender.org/tracker/index.php?"\
-        "func=detail&aid=21443",
+    "tracker_url": "https://developer.blender.org/T21443",
     "category": "Add Mesh"}
 
 import bpy
diff --git a/add_mesh_solid.py b/add_mesh_solid.py
index cb874fed590199fda7f722250c487fd18c040e5d..42501626ef6fabe01d42faf4479d0f3c00f91448 100644
--- a/add_mesh_solid.py
+++ b/add_mesh_solid.py
@@ -25,10 +25,9 @@ bl_info = {
     "location": "View3D > Add > Mesh > Solids",
     "description": "Add a regular solid",
     "warning": "",
-    "wiki_url": "http://wiki.blender.org/index.php/Extensions:2.6/Py/"\
+    "wiki_url": "http://wiki.blender.org/index.php/Extensions:2.6/Py/"
         "Scripts/Add_Mesh/Add_Solid",
-    "tracker_url": "https://projects.blender.org/tracker/index.php?"\
-        "func=detail&aid=22405",
+    "tracker_url": "https://developer.blender.org/T22405",
     "category": "Add Mesh"}
 
 import bpy
@@ -61,14 +60,14 @@ def createPolys(poly):
         else:
             f = [[i[x],i[x+1],i[L-2-x],i[L-1-x]] for x in range(L//2-1)]
             faces.extend(f)
-            if L&1 == 1: 
+            if L&1 == 1:
                 faces.append([i[L//2-1+x] for x in [0,1,2]])
     return faces
-    
-# function to make the reduce function work as a workaround to sum a list of vectors 
+
+# function to make the reduce function work as a workaround to sum a list of vectors
 def vSum(list):
     return reduce(lambda a,b: a+b, list)
-    
+
 # creates the 5 platonic solids as a base for the rest
 #  plato: should be one of {"4","6","8","12","20"}. decides what solid the
 #         outcome will be.
@@ -92,7 +91,7 @@ def source(plato):
     elif plato == "6":
         # Calculate the necessary constants
         s = 1/sqrt(3)
-    
+
         # create the vertices and faces
         v = [(-s,-s,-s),(s,-s,-s),(s,s,-s),(-s,s,-s),(-s,-s,s),(s,-s,s),(s,s,s),(-s,s,s)]
         faces = [[0,3,2,1],[0,1,5,4],[0,4,7,3],[6,5,1,2],[6,2,3,7],[6,7,4,5]]
@@ -137,7 +136,7 @@ def source(plato):
     verts = [Vector(i) for i in v]
 
     return verts,faces
-    
+
 # processes the raw data from source
 def createSolid(plato,vtrunc,etrunc,dual,snub):
     # the duals from each platonic solid
@@ -177,16 +176,16 @@ def createSolid(plato,vtrunc,etrunc,dual,snub):
                 return vInput, fInput
             vInput = [-i*supposedSize for i in vInput]
             return vInput, fInput
-    
+
     # generate connection database
     vDict = [{} for i in vInput]
-    # for every face, store what vertex comes after and before the current vertex    
+    # for every face, store what vertex comes after and before the current vertex
     for x in range(len(fInput)):
         i = fInput[x]
         for j in range(len(i)):
             vDict[i[j-1]][i[j]] = [i[j-2],x]
-            if len(vDict[i[j-1]]) == 1: vDict[i[j-1]][-1] = i[j] 
-    
+            if len(vDict[i[j-1]]) == 1: vDict[i[j-1]][-1] = i[j]
+
     # the actual connection database: exists out of:
     # [vtrunc pos, etrunc pos, connected vert IDs, connected face IDs]
     vData = [[[],[],[],[]] for i in vInput]
@@ -205,8 +204,8 @@ def createSolid(plato,vtrunc,etrunc,dual,snub):
             if current == i[-1]: break # if we're back at the first: stop the loop
         fvOutput.append([]) # new face from truncated vert
         fOffset = x*(len(i)-1) # where to start off counting faceVerts
-        # only create one vert where one is needed (v1 todo: done) 
-        if etrunc == 0.5: 
+        # only create one vert where one is needed (v1 todo: done)
+        if etrunc == 0.5:
             for j in range(len(i)-1):
                 vOutput.append((vData[x][0][j]+vData[x][0][j-1])*etrunc) # create vert
                 fvOutput[x].append(fOffset+j) # add to face
@@ -280,7 +279,7 @@ def createSolid(plato,vtrunc,etrunc,dual,snub):
     if supposedSize and not dual:                    # this to make the vtrunc > 1 work
         supposedSize *= len(fvOutput[0])/vSum(vOutput[i] for i in fvOutput[0]).length
         vOutput = [-i*supposedSize for i in vOutput]
-    
+
     # create new faces by replacing old vert IDs by newly generated verts
     ffOutput = [[] for i in fInput]
     for x in range(len(fInput)):
@@ -296,16 +295,16 @@ def createSolid(plato,vtrunc,etrunc,dual,snub):
             for i in fInput[x]:
                 ffOutput[x].append(fvOutput[i][vData[i][3].index(x)])
                 ffOutput[x].append(fvOutput[i][vData[i][3].index(x)-1])
-    
+
     if not dual:
         return vOutput,fvOutput + feOutput + ffOutput
-    else: 
+    else:
         # do the same procedure as above, only now on the generated mesh
         # generate connection database
         vDict = [{} for i in vOutput]
         dvOutput = [0 for i in fvOutput + feOutput + ffOutput]
         dfOutput = []
-        
+
         for x in range(len(dvOutput)): # for every face
             i = (fvOutput + feOutput + ffOutput)[x] # choose face to work with
             # find vertex from face
@@ -314,12 +313,12 @@ def createSolid(plato,vtrunc,etrunc,dual,snub):
             for j in range(len(i)): # create vert chain
                 vDict[i[j-1]][i[j]] = [i[j-2],x]
                 if len(vDict[i[j-1]]) == 1: vDict[i[j-1]][-1] = i[j]
-        
+
         # calculate supposed size for continuity
         supposedSize = vSum([vInput[i] for i in fInput[0]]).length/len(fInput[0])
         supposedSize /= dvOutput[-1].length
         dvOutput = [i*supposedSize for i in dvOutput]
-        
+
         # use chains to create faces
         for x in range(len(vOutput)):
             i = vDict[x]
@@ -330,7 +329,7 @@ def createSolid(plato,vtrunc,etrunc,dual,snub):
                 current = i[current][0]
                 if current == i[-1]: break
             dfOutput.append(face)
-        
+
         return dvOutput,dfOutput
 
 class Solids(bpy.types.Operator):
@@ -412,7 +411,7 @@ class Solids(bpy.types.Operator):
                                    ("ds12","Pentagonal Hexecontahedron","")),
                             name = "Presets",
                             description = "Parameters for some hard names")
-    
+
     # actual preset values
     p = {"t4":["4",2/3,0,0,"None"],
          "r4":["4",1,1,0,"None"],
@@ -440,7 +439,7 @@ class Solids(bpy.types.Operator):
          "db12":["12",1.1338,1,1,"None"],
          "dc12":["20",0.921,0.553,1,"None"],
          "ds12":["12",1.1235,0.68,1,"Left"]}
-    
+
     #previous preset, for User-friendly reasons
     previousSetting = ""
 
@@ -459,25 +458,25 @@ class Solids(bpy.types.Operator):
                 self.eTrunc = using[2]
                 self.dual = using[3]
                 self.snub = using[4]
-            else: 
+            else:
                 using = self.p[self.preset]
                 result0 = self.source == using[0]
                 result1 = abs(self.vTrunc - using[1]) < 0.004
                 result2 = abs(self.eTrunc - using[2]) < 0.0015
-                result4 = using[4] == self.snub or ((using[4] == "Left") and 
+                result4 = using[4] == self.snub or ((using[4] == "Left") and
                                                 self.snub in ["Left","Right"])
-                if (result0 and result1 and result2 and result4): 
+                if (result0 and result1 and result2 and result4):
                     if self.p[self.previousSetting][3] != self.dual:
-                        if self.preset[0] == "d": 
+                        if self.preset[0] == "d":
                             self.preset = self.preset[1:]
                         else:
                             self.preset = "d" + self.preset
-                else:   
+                else:
                     self.preset = "0"
 
         self.previousSetting = self.preset
-        
-        # generate mesh    
+
+        # generate mesh
         verts,faces  = createSolid(self.source,
                                    self.vTrunc,
                                    self.eTrunc,
@@ -486,7 +485,7 @@ class Solids(bpy.types.Operator):
 
         # turn n-gons in quads and tri's
         faces = createPolys(faces)
-        
+
         # resize to normal size, or if keepSize, make sure all verts are of length 'size'
         if self.keepSize:
             rad = self.size/verts[-1 if self.dual else 0].length
@@ -502,12 +501,12 @@ class Solids(bpy.types.Operator):
 
         # Update mesh geometry after adding stuff.
         mesh.update()
-        
+
         object_data_add(context, mesh, operator=None)
         # object generation done
 
         # turn undo back on
-        bpy.context.user_preferences.edit.use_global_undo = True 
+        bpy.context.user_preferences.edit.use_global_undo = True
 
         return {'FINISHED'}
 
@@ -564,7 +563,7 @@ class CatalanMenu(bpy.types.Menu):
     """Defines Catalan preset menu"""
     bl_idname = "Catalan_calls"
     bl_label = "Catalan"
-    
+
     def draw(self, context):
         layout = self.layout
         layout.operator_context = 'INVOKE_REGION_WIN'
@@ -581,7 +580,7 @@ class CatalanMenu(bpy.types.Menu):
         layout.operator(Solids.bl_idname, text = "Deltoidal Hexecontahedron").preset = "db12"
         layout.operator(Solids.bl_idname, text = "Disdyakis Triacontahedron").preset = "dc12"
         layout.operator(Solids.bl_idname, text = "Pentagonal Hexecontahedron").preset = "ds12"
-        
+
 def menu_func(self, context):
     self.layout.menu(Solids_add_menu.bl_idname, icon="PLUGIN")
 
diff --git a/animation_add_corrective_shape_key.py b/animation_add_corrective_shape_key.py
index a576d352b5e861d8fe9ad9f1ccf3348abf4ee2ae..cbe5435b462e5b2bbe2c5a7ced3934c63797b87e 100644
--- a/animation_add_corrective_shape_key.py
+++ b/animation_add_corrective_shape_key.py
@@ -27,8 +27,7 @@ bl_info = {
     'description': 'Creates a corrective shape key for the current pose',
     "wiki_url": "http://wiki.blender.org/index.php/Extensions:2.6/Py/"
                 "Scripts/Animation/Corrective_Shape_Key",
-    "tracker_url": "https://projects.blender.org/tracker/index.php?"
-                   "func=detail&aid=22129",
+    "tracker_url": "https://developer.blender.org/T22129",
     'category': 'Animation'}
 
 """
diff --git a/animation_animall.py b/animation_animall.py
index 5373e1b52280bbc08dd684466897528d3bdd9675..6f3706a6d42ed9bac055d962f55475c6eee36c74 100644
--- a/animation_animall.py
+++ b/animation_animall.py
@@ -25,8 +25,7 @@ bl_info = {
     'description': 'Allows animation of mesh, lattice, curve and surface data',
     'warning': '',
     'wiki_url': 'http://wiki.blender.org/index.php/Extensions:2.6/Py/Scripts/Animation/AnimAll',
-    'tracker_url': 'http://projects.blender.org/tracker/index.php?'\
-        'func=detail&aid=24874',
+    'tracker_url': 'https://developer.blender.org/T24874',
     'category': 'Animation'}
 
 """-------------------------------------------------------------------------
@@ -468,4 +467,4 @@ def unregister():
     pass
     
 if __name__ == "__main__":
-    register()
\ No newline at end of file
+    register()
diff --git a/curve_simplify.py b/curve_simplify.py
index 331c988e4fb7d1afae0a5fa8f1e123d345946717..25e6dbd51b4e2a6c3ade592c2d08a835b6917593 100644
--- a/curve_simplify.py
+++ b/curve_simplify.py
@@ -24,10 +24,9 @@ bl_info = {
     "location": "Search > Simplify Curves",
     "description": "Simplifies 3D Curve objects and animation F-Curves",
     "warning": "",
-    "wiki_url": "http://wiki.blender.org/index.php/Extensions:2.6/Py/"\
+    "wiki_url": "http://wiki.blender.org/index.php/Extensions:2.6/Py/"
         "Scripts/Curve/Curve_Simplify",
-    "tracker_url": "https://projects.blender.org/tracker/index.php?"\
-        "func=detail&aid=22327",
+    "tracker_url": "https://developer.blender.org/T22327",
     "category": "Add Curve"}
 
 """
diff --git a/development_api_navigator.py b/development_api_navigator.py
index 2f1217242b81fa6fae48b1745115b9bb77c2435f..dfe670e3f6ca6dd3fb7fb4901bf2907833d5438c 100644
--- a/development_api_navigator.py
+++ b/development_api_navigator.py
@@ -29,8 +29,7 @@ bl_info = {
     "warning": "",
     "wiki_url": "http://wiki.blender.org/index.php/Extensions:2.6/Py/"
         "Scripts/Text_Editor/API_Navigator",
-    "tracker_url": "http://projects.blender.org/tracker/index.php?"\
-        "func=detail&aid=24982",
+    "tracker_url": "https://developer.blender.org/T24982",
     "category": "Development"}
 
 """
diff --git a/development_icon_get.py b/development_icon_get.py
index 927c218b880ee122ce05ba303dd9b5171f84b908..ef5f8f30ce2ee0886b34f9f1e4b43e1c5388d170 100644
--- a/development_icon_get.py
+++ b/development_icon_get.py
@@ -31,8 +31,7 @@ bl_info = {
         'to the clipboard',
     'wiki_url': 'http://wiki.blender.org/index.php/Extensions:2.6/'\
         'Py/Scripts/System/Display_All_Icons',
-    'tracker_url': 'http://projects.blender.org/tracker/index.php?'\
-        'func=detail&aid=22011',
+    'tracker_url': 'https://developer.blender.org/T22011',
     'category': 'Development'}
 
 
diff --git a/game_engine_save_as_runtime.py b/game_engine_save_as_runtime.py
index efc8690f75accaef5c1d6006f647a32cc6a9918f..2d3c6275b7fdc8f39486ac3b98f50187ab63499e 100644
--- a/game_engine_save_as_runtime.py
+++ b/game_engine_save_as_runtime.py
@@ -26,8 +26,7 @@ bl_info = {
     'warning': '',
     'wiki_url': 'http://wiki.blender.org/index.php/Extensions:2.6/Py/'\
         'Scripts/Game_Engine/Save_As_Runtime',
-    'tracker_url': 'https://projects.blender.org/tracker/index.php?'\
-        'func=detail&aid=23564',
+    'tracker_url': 'https://developer.blender.org/T23564',
     'category': 'Game Engine'}
 
 import bpy
diff --git a/io_anim_acclaim/__init__.py b/io_anim_acclaim/__init__.py
index d929a44c64fd0edc6f1054e220d287239e8af958..b08452a524ab88ef5028bd378d97414bb95e7a8b 100644
--- a/io_anim_acclaim/__init__.py
+++ b/io_anim_acclaim/__init__.py
@@ -30,9 +30,8 @@ bl_info = {
     "location": "File > Import-Export",
     "description": "Imports Acclaim Skeleton and Motion Capture Files",
     "wiki_url": "http://wiki.blender.org/index.php/Extensions:2.6/Py/"
-                "Scripts/Import-Export/Acclaim_Importer",
-    "tracker_url": "http://projects.blender.org/tracker/index.php?"
-                   "func=detail&aid=27127&group_id=153&atid=467",
+        "Scripts/Import-Export/Acclaim_Importer",
+    "tracker_url": "https://developer.blender.org/T27127",
     "category": "Import-Export"}
 
 
diff --git a/io_anim_c3d/__init__.py b/io_anim_c3d/__init__.py
index 81b41979b70306df70299dfa63c51ba2751d9228..168784371b1acfa809bd7c98e7c60b848a5582bd 100644
--- a/io_anim_c3d/__init__.py
+++ b/io_anim_c3d/__init__.py
@@ -30,9 +30,8 @@ bl_info = {
     "location": "File > Import",
     "description": "Imports C3D Graphics Lab Motion Capture files",
     "wiki_url": "http://wiki.blender.org/index.php/Extensions:2.6/Py/"
-                "Scripts/Import-Export/C3D_Importer",
-    "tracker_url": "http://projects.blender.org/tracker/?func=detail&atid=467"
-                   "&aid=29061&group_id=153",
+        "Scripts/Import-Export/C3D_Importer",
+    "tracker_url": "https://developer.blender.org/T29061",
     "category": 'Import-Export'}
 
 
diff --git a/io_anim_camera.py b/io_anim_camera.py
index 376a056412e370932316d9af60df183ad604075a..c4d75f0903e4822a5f23cf5af81efe5dc6bb7f1e 100644
--- a/io_anim_camera.py
+++ b/io_anim_camera.py
@@ -26,10 +26,9 @@ bl_info = {
     "location": "File > Export > Cameras & Markers (.py)",
     "description": "Export Cameras & Markers (.py)",
     "warning": "",
-    "wiki_url": "http://wiki.blender.org/index.php/Extensions:2.6/Py/"\
+    "wiki_url": "http://wiki.blender.org/index.php/Extensions:2.6/Py/"
         "Scripts/Import-Export/Camera_Animation",
-    "tracker_url": "https://projects.blender.org/tracker/index.php?"\
-        "func=detail&aid=22835",
+    "tracker_url": "https://developer.blender.org/T22835",
     "support": 'OFFICIAL',
     "category": "Import-Export"}
 
diff --git a/io_anim_nuke_chan/__init__.py b/io_anim_nuke_chan/__init__.py
index 54bd709ded7f9c16d6c919aa5b322f99962f1023..c02deb5d8eadb963cfb38bc1369330fa416ef484 100644
--- a/io_anim_nuke_chan/__init__.py
+++ b/io_anim_nuke_chan/__init__.py
@@ -27,9 +27,8 @@ bl_info = {
     "description": "Import/Export object's animation with nuke",
     "warning": "",
     "wiki_url": "http://wiki.blender.org/index.php/Extensions:2.6/Py/"
-                "Scripts/Import-Export/Nuke",
-    "tracker_url": "http://projects.blender.org/tracker/?"
-                   "func=detail&atid=467&aid=28368&group_id=153",
+        "Scripts/Import-Export/Nuke",
+    "tracker_url": "https://developer.blender.org/T28368",
     "category": "Import-Export"}
 
 
diff --git a/io_coat3D/__init__.py b/io_coat3D/__init__.py
index 33faf0ecae2192837f246f3b530194a09b1e7275..e4fa915f91ac0060f5fce4cbdf1f1da4e3415825 100644
--- a/io_coat3D/__init__.py
+++ b/io_coat3D/__init__.py
@@ -24,14 +24,12 @@ bl_info = {
     "location": "Scene > 3D-Coat Applink",
     "description": "Transfer data between 3D-Coat/Blender",
     "warning": "",
-    "wiki_url": "http://wiki.blender.org/index.php/Extensions:2.6/Py/" \
+    "wiki_url": "http://wiki.blender.org/index.php/Extensions:2.6/Py/"
         "Scripts/Import-Export/3dcoat_applink",
-    "tracker_url": "https://projects.blender.org/tracker/?"\
-        "func=detail&aid=24446",
+    "tracker_url": "https://developer.blender.org/T24446",
     "category": "Import-Export"}
 
 
-
 if "bpy" in locals():
     import imp
     imp.reload(coat)
@@ -43,13 +41,13 @@ else:
 import bpy
 from bpy.props import *
 
-    
+
 def register():
     bpy.coat3D = dict()
     bpy.coat3D['active_coat'] = ''
     bpy.coat3D['status'] = 0
     bpy.coat3D['kuva'] = 1
-    
+
     class ObjectCoat3D(bpy.types.PropertyGroup):
         objpath = StringProperty(name="Object_Path")
         applink_name = StringProperty(name="Object_Applink_name")
@@ -71,7 +69,7 @@ def register():
             subtype="DIR_PATH",
         )
         cursor_loc = FloatVectorProperty(name="Cursor_loc",description="location")
-        
+
         exchangedir = StringProperty(
             name="FilePath",
             subtype="DIR_PATH"
@@ -82,8 +80,8 @@ def register():
         )
 
 
-    
-        
+
+
         wasactive = StringProperty(
             name="Pass active object",
         )
@@ -248,7 +246,7 @@ def unregister():
     del bpy.types.Object.coat3D
     del bpy.types.Scene.coat3D
     del bpy.coat3D
-    
+
     bpy.utils.unregister_module(__name__)
 
 
diff --git a/io_convert_image_to_mesh_img/__init__.py b/io_convert_image_to_mesh_img/__init__.py
index 08f9c2b41c26dfb867615afc71c26a79425f2fb5..1191d0331596dc2377b3589e8a6419b364c62907 100644
--- a/io_convert_image_to_mesh_img/__init__.py
+++ b/io_convert_image_to_mesh_img/__init__.py
@@ -24,10 +24,9 @@ bl_info = {
     "location": "File > Import > HiRISE DTM from PDS IMG (.IMG)",
     "description": "Import a HiRISE DTM formatted as a PDS IMG file",
     "warning": "May consume a lot of memory",
-    "wiki_url": "http://wiki.blender.org/index.php/Extensions:2.6/Py/"\
+    "wiki_url": "http://wiki.blender.org/index.php/Extensions:2.6/Py/"
         "Scripts/Import-Export/HiRISE_DTM_from_PDS_IMG",
-    "tracker_url": "https://projects.blender.org/tracker/index.php?"\
-        "func=detail&aid=24897&group_id=153&atid=469",
+    "tracker_url": "https://developer.blender.org/T24897",
     "category": "Import-Export"}
 
 
diff --git a/io_curve_svg/__init__.py b/io_curve_svg/__init__.py
index 4a90e5ec6912714e5513a1522a72e61b3a66807c..0c05e8daa56bd729da37f87ad11482cbd61370b1 100644
--- a/io_curve_svg/__init__.py
+++ b/io_curve_svg/__init__.py
@@ -25,13 +25,13 @@ bl_info = {
     "location": "File > Import > Scalable Vector Graphics (.svg)",
     "description": "Import SVG as curves",
     "warning": "",
-    "wiki_url": "http://wiki.blender.org/index.php/Extensions:2.6/Py/"\
+    "wiki_url": "http://wiki.blender.org/index.php/Extensions:2.6/Py/"
         "Scripts/Import-Export/SVG",
-    "tracker_url": "http://projects.blender.org/tracker/index.php?"\
-        "func=detail&aid=26166&",
+    "tracker_url": "https://developer.blender.org/T26166",
     "support": 'OFFICIAL',
     "category": "Import-Export"}
 
+
 # To support reload properly, try to access a package var,
 # if it's there, reload everything
 if "bpy" in locals():
diff --git a/io_export_after_effects.py b/io_export_after_effects.py
index 1594b62585c63a678f06f254c5c204dfa22d0599..8d041952da178581906cfd2158cf5eec1fec64b6 100644
--- a/io_export_after_effects.py
+++ b/io_export_after_effects.py
@@ -20,16 +20,16 @@
 
 bl_info = {
     "name": "Export: Adobe After Effects (.jsx)",
-    "description": "Export cameras, selected objects & camera solution 3D Markers to Adobe After Effects CS3 and above",
+    "description": "Export cameras, selected objects & camera solution "
+        "3D Markers to Adobe After Effects CS3 and above",
     "author": "Bartek Skorupa",
     "version": (0, 64),
     "blender": (2, 69, 0),
     "location": "File > Export > Adobe After Effects (.jsx)",
     "warning": "",
-    "wiki_url": "http://wiki.blender.org/index.php/Extensions:2.6/Py/"\
+    "wiki_url": "http://wiki.blender.org/index.php/Extensions:2.6/Py/"
         "Scripts/Import-Export/Adobe_After_Effects",
-    "tracker_url": "https://projects.blender.org/tracker/index.php?"\
-        "func=detail&aid=29858",
+    "tracker_url": "https://developer.blender.org/T29858",
     "category": "Import-Export",
     }
 
diff --git a/io_export_dxf/__init__.py b/io_export_dxf/__init__.py
index c79ba5eae56de5549e51ebd6cac9e83e4b2001f6..6ce740efbb81606ca02be367cfcd160e681b4010 100644
--- a/io_export_dxf/__init__.py
+++ b/io_export_dxf/__init__.py
@@ -23,10 +23,11 @@ bl_info = {
     "location": "File > Export > Autodesk (.dxf)",
     "description": "The script exports Blender geometry to DXF format r12 version.",
     "warning": "Under construction! Visit Wiki for details.",
-    "wiki_url": "http://wiki.blender.org/index.php/Extensions:2.6/Py/Scripts/Import-Export/DXF_Exporter",
-    "tracker_url": "https://projects.blender.org/tracker/index.php?func=detail&aid=28469",
-    "category": "Import-Export"
-}
+    "wiki_url": "http://wiki.blender.org/index.php/Extensions:2.6/Py/"
+        "Scripts/Import-Export/DXF_Exporter",
+    "tracker_url": "https://developer.blender.org/T28469",
+    "category": "Import-Export"}
+
 
 import bpy
 from .operator import DXFExporter
diff --git a/io_export_pc2.py b/io_export_pc2.py
index 37953d531939d67f6def9a589f9c7359a86cefb7..80f74dc3aa7059bdb676f296f917b949a6063cd9 100644
--- a/io_export_pc2.py
+++ b/io_export_pc2.py
@@ -24,13 +24,16 @@ bl_info = {
     "location": "File > Export > Pointcache (.pc2)",
     "description": "Export mesh Pointcache data (.pc2)",
     "warning": "",
-    "wiki_url": "http://wiki.blender.org/index.php/Extensions:2.6/Py/"\
+    "wiki_url": "http://wiki.blender.org/index.php/Extensions:2.6/Py/"
         "Scripts/Import-Export/PC2_Pointcache_export",
-    "tracker_url": "https://projects.blender.org/tracker/index.php?"\
-        "func=detail&aid=24703",
+    "tracker_url": "",
     "category": "Import-Export"}
 
 """
+Related links:
+https://developer.blender.org/T34456
+https://developer.blender.org/T25408
+
 Usage Notes:
 
 in Maya Mel:
@@ -62,7 +65,7 @@ def do_export(context, props, filepath):
     vertCount = len(me.vertices)
     sampletimes = getSampling(start, end, sampling)
     sampleCount = len(sampletimes)
-    
+
     # Create the header
     headerFormat='<12siiffi'
     headerStr = struct.pack(headerFormat, b'POINTCACHE2\0',
@@ -70,11 +73,11 @@ def do_export(context, props, filepath):
 
     file = open(filepath, "wb")
     file.write(headerStr)
-    
+
     for frame in sampletimes:
         sc.frame_set(frame)
         me = ob.to_mesh(sc, apply_modifiers, 'PREVIEW')
-        
+
         if len(me.vertices) != vertCount:
             file.close()
             try:
@@ -85,18 +88,18 @@ def do_export(context, props, filepath):
                 empty.close()
             print('Export failed. Vertexcount of Object is not constant')
             return False
-        
+
         if props.world_space:
             me.transform(ob.matrix_world)
         if props.rot_x90:
             me.transform(mat_x90)
-        
+
         for v in me.vertices:
             thisVertex = struct.pack('<fff', float(v.co[0]),
                                              float(v.co[1]),
                                              float(v.co[2]))
             file.write(thisVertex)
-    
+
     file.flush()
     file.close()
     return True
@@ -109,7 +112,7 @@ class Export_pc2(bpy.types.Operator, ExportHelper):
     bl_label = "Export Pointcache (.pc2)"
 
     filename_ext = ".pc2"
-    
+
     rot_x90 = BoolProperty(name="Convert to Y-up",
             description="Rotate 90 degrees around X to convert to y-up",
             default=True,
@@ -147,7 +150,7 @@ class Export_pc2(bpy.types.Operator, ExportHelper):
                    ),
             default='1',
             )
-    
+
     @classmethod
     def poll(cls, context):
         return context.active_object.type in {'MESH', 'CURVE', 'SURFACE', 'FONT'}
@@ -160,11 +163,11 @@ class Export_pc2(bpy.types.Operator, ExportHelper):
         filepath = bpy.path.ensure_ext(filepath, self.filename_ext)
 
         exported = do_export(context, props, filepath)
-        
+
         if exported:
             print('finished export in %s seconds' %((time.time() - start_time)))
             print(filepath)
-            
+
         return {'FINISHED'}
 
     def invoke(self, context, event):
@@ -202,6 +205,6 @@ def unregister():
 
     bpy.types.INFO_MT_file_export.remove(menu_func)
     #bpy.types.VIEW3D_PT_tools_objectmode.remove(menu_func)
-    
+
 if __name__ == "__main__":
     register()
diff --git a/io_export_unreal_psk_psa.py b/io_export_unreal_psk_psa.py
index 787ca24dcc11fed293bcda24f52858d7cbdc7f5e..d2982b34ca68e2e5cbe262b4890ad0f45a036bb6 100644
--- a/io_export_unreal_psk_psa.py
+++ b/io_export_unreal_psk_psa.py
@@ -24,14 +24,13 @@ bl_info = {
     "location": "File > Export > Skeletal Mesh/Animation Data (.psk/.psa)",
     "description": "Export Skeleletal Mesh/Animation Data",
     "warning": "",
-    "wiki_url": "http://wiki.blender.org/index.php/Extensions:2.6/Py/"\
+    "wiki_url": "http://wiki.blender.org/index.php/Extensions:2.6/Py/"
         "Scripts/Import-Export/Unreal_psk_psa",
-    "tracker_url": "https://projects.blender.org/tracker/index.php?"\
-        "func=detail&aid=21366",
+    "tracker_url": "https://developer.blender.org/T21366",
     "category": "Import-Export"}
 
 """
--- Unreal Skeletal Mesh and Animation Export (.psk  and .psa) export script v0.0.1 --<br> 
+-- Unreal Skeletal Mesh and Animation Export (.psk  and .psa) export script v0.0.1 --<br>
 
 - NOTES:
 - This script Exports To Unreal's PSK and PSA file formats for Skeletal Meshes and Animations. <br>
@@ -45,11 +44,11 @@ bl_info = {
 
 [ - Edit by: Darknet
 - v0.0.3 - v0.0.12
-- This will work on UT3 and it is a stable version that work with vehicle for testing. 
+- This will work on UT3 and it is a stable version that work with vehicle for testing.
 - Main Bone fix no dummy needed to be there.
 - Just bone issues position, rotation, and offset for psk.
 - The armature bone position, rotation, and the offset of the bone is fix. It was to deal with skeleton mesh export for psk.
-- Animation is fix for position, offset, rotation bone support one rotation direction when armature build. 
+- Animation is fix for position, offset, rotation bone support one rotation direction when armature build.
 - It will convert your mesh into triangular when exporting to psk file.
 - Did not work with psa export yet.
 
@@ -151,7 +150,7 @@ from bpy.props import *
 from struct import pack
 
 # REFERENCE MATERIAL JUST IN CASE:
-# 
+#
 # U = x / sqrt(x^2 + y^2 + z^2)
 # V = y / sqrt(x^2 + y^2 + z^2)
 #
@@ -196,21 +195,21 @@ def verbose( msg, iteration=-1, max_iterations=4, msg_truncated="..." ):
             return
 
         print(msg)
-    
+
 #===========================================================================
 # Log header/separator
 #===========================================================================
 def header( msg, justify='LEFT', spacer='_', cols=78 ):
-    
+
     if justify == 'LEFT':
         s = '{:{spacer}<{cols}}'.format(msg+" ", spacer=spacer, cols=cols)
-    
+
     elif justify == 'RIGHT':
         s = '{:{spacer}>{cols}}'.format(" "+msg, spacer=spacer, cols=cols)
-    
+
     else:
         s = '{:{spacer}^{cols}}'.format(" "+msg+" ", spacer=spacer, cols=cols)
-    
+
     return "\n" + s + "\n"
 
 #===========================================================================
@@ -218,11 +217,11 @@ def header( msg, justify='LEFT', spacer='_', cols=78 ):
 # the object must be usable as a dictionary key
 #===========================================================================
 class ObjMap:
-    
+
     def __init__(self):
         self.dict = {}
         self.next = 0
-    
+
     def get(self, obj):
         if obj in self.dict:
             return self.dict[obj]
@@ -231,37 +230,37 @@ class ObjMap:
             self.next = self.next + 1
             self.dict[obj] = id
             return id
-    
+
     def items(self):
         getval = operator.itemgetter(0)
         getkey = operator.itemgetter(1)
         return map(getval, sorted(self.dict.items(), key=getkey))
 
 #===========================================================================
-# RG - UNREAL DATA STRUCTS - CONVERTED FROM C STRUCTS GIVEN ON UDN SITE 
+# RG - UNREAL DATA STRUCTS - CONVERTED FROM C STRUCTS GIVEN ON UDN SITE
 # provided here: http://udn.epicgames.com/Two/BinaryFormatSpecifications.html
 # updated UDK (Unreal Engine 3): http://udn.epicgames.com/Three/BinaryFormatSpecifications.html
 #===========================================================================
 class FQuat:
 
-    def __init__(self): 
+    def __init__(self):
         self.X = 0.0
         self.Y = 0.0
         self.Z = 0.0
         self.W = 1.0
-        
+
     def dump(self):
         return pack('ffff', self.X, self.Y, self.Z, self.W)
-        
+
     def __cmp__(self, other):
         return cmp(self.X, other.X) \
             or cmp(self.Y, other.Y) \
             or cmp(self.Z, other.Z) \
             or cmp(self.W, other.W)
-        
+
     def __hash__(self):
         return hash(self.X) ^ hash(self.Y) ^ hash(self.Z) ^ hash(self.W)
-        
+
     def __str__(self):
         return "[%f,%f,%f,%f](FQuat)" % (self.X, self.Y, self.Z, self.W)
 
@@ -271,34 +270,34 @@ class FVector(object):
         self.X = X
         self.Y = Y
         self.Z = Z
-        
+
     def dump(self):
         return pack('fff', self.X, self.Y, self.Z)
-        
+
     def __cmp__(self, other):
         return cmp(self.X, other.X) \
             or cmp(self.Y, other.Y) \
             or cmp(self.Z, other.Z)
-        
+
     def _key(self):
         return (type(self).__name__, self.X, self.Y, self.Z)
-        
+
     def __hash__(self):
         return hash(self._key())
-        
+
     def __eq__(self, other):
         if not hasattr(other, '_key'):
             return False
-        return self._key() == other._key() 
-        
+        return self._key() == other._key()
+
     def dot(self, other):
         return self.X * other.X + self.Y * other.Y + self.Z * other.Z
-    
+
     def cross(self, other):
         return FVector(self.Y * other.Z - self.Z * other.Y,
                 self.Z * other.X - self.X * other.Z,
                 self.X * other.Y - self.Y * other.X)
-                
+
     def sub(self, other):
         return FVector(self.X - other.X,
             self.Y - other.Y,
@@ -313,7 +312,7 @@ class VJointPos:
         self.XSize          = 0.0
         self.YSize          = 0.0
         self.ZSize          = 0.0
-        
+
     def dump(self):
         return self.Orientation.dump() + self.Position.dump() + pack('4f', self.Length, self.XSize, self.YSize, self.ZSize)
 
@@ -332,7 +331,7 @@ class AnimInfoBinary:
         self.StartBone      = 0
         self.FirstRawFrame  = 0
         self.NumRawFrames   = 0
-        
+
     def dump(self):
         return pack('64s64siiiifffiii', str.encode(self.Name), str.encode(self.Group), self.TotalBones, self.RootInclude, self.KeyCompressionStyle, self.KeyQuotum, self.KeyPrediction, self.TrackTime, self.AnimRate, self.StartBone, self.FirstRawFrame, self.NumRawFrames)
 
@@ -343,7 +342,7 @@ class VChunkHeader:
         self.TypeFlag       = 1999801           # special value
         self.DataSize       = type_size
         self.DataCount      = 0
-        
+
     def dump(self):
         return pack('20siii', self.ChunkID, self.TypeFlag, self.DataSize, self.DataCount)
 
@@ -357,7 +356,7 @@ class VMaterial:
         self.AuxFlags       = 0     # DWORD
         self.LodBias        = 0
         self.LodStyle       = 0
-        
+
     def dump(self):
         #print("DATA MATERIAL:",self.MaterialName)
         return pack('64siLiLii', str.encode(self.MaterialName), self.TextureIndex, self.PolyFlags, self.AuxMaterial, self.AuxFlags, self.LodBias, self.LodStyle)
@@ -370,11 +369,11 @@ class VBone:
         self.NumChildren    = 0
         self.ParentIndex    = 0
         self.BonePos        = VJointPos()
-        
+
     def dump(self):
         return pack('64sLii', str.encode(self.Name), self.Flags, self.NumChildren, self.ParentIndex) + self.BonePos.dump()
 
-#same as above - whatever - this is how Epic does it...  
+#same as above - whatever - this is how Epic does it...
 class FNamedBoneBinary:
 
     def __init__(self):
@@ -384,7 +383,7 @@ class FNamedBoneBinary:
         self.ParentIndex    = 0
         self.BonePos        = VJointPos()
         self.IsRealBone     = 0     # this is set to 1 when the bone is actually a bone in the mesh and not a dummy
-        
+
     def dump(self):
         return pack('64sLii', str.encode(self.Name), self.Flags, self.NumChildren, self.ParentIndex) + self.BonePos.dump()
 
@@ -394,7 +393,7 @@ class VRawBoneInfluence:
         self.Weight         = 0.0
         self.PointIndex     = 0
         self.BoneIndex      = 0
-        
+
     def dump(self):
         return pack('fii', self.Weight, self.PointIndex, self.BoneIndex)
 
@@ -404,7 +403,7 @@ class VQuatAnimKey:
         self.Position       = FVector()
         self.Orientation    = FQuat()
         self.Time           = 0.0
-        
+
     def dump(self):
         return self.Position.dump() + self.Orientation.dump() + pack('f', self.Time)
 
@@ -416,25 +415,25 @@ class VVertex(object):
         self.V              = 0.0
         self.MatIndex       = 0     # BYTE
         self.Reserved       = 0     # BYTE
-        self.SmoothGroup    = 0 
-        
+        self.SmoothGroup    = 0
+
     def dump(self):
         return pack('HHffBBH', self.PointIndex, 0, self.U, self.V, self.MatIndex, self.Reserved, 0)
-        
+
     def __cmp__(self, other):
         return cmp(self.PointIndex, other.PointIndex) \
             or cmp(self.U, other.U) \
             or cmp(self.V, other.V) \
             or cmp(self.MatIndex, other.MatIndex) \
             or cmp(self.Reserved, other.Reserved) \
-            or cmp(self.SmoothGroup, other.SmoothGroup ) 
-    
+            or cmp(self.SmoothGroup, other.SmoothGroup )
+
     def _key(self):
         return (type(self).__name__, self.PointIndex, self.U, self.V, self.MatIndex, self.Reserved)
-        
+
     def __hash__(self):
         return hash(self._key())
-        
+
     def __eq__(self, other):
         if not hasattr(other, '_key'):
             return False
@@ -447,7 +446,7 @@ class VPointSimple:
 
     def __cmp__(self, other):
         return cmp(self.Point, other.Point)
-        
+
     def __hash__(self):
         return hash(self._key())
 
@@ -463,26 +462,26 @@ class VPoint(object):
 
     def __init__(self):
         self.Point = FVector()
-        self.SmoothGroup = 0 
-        
+        self.SmoothGroup = 0
+
     def dump(self):
         return self.Point.dump()
-        
+
     def __cmp__(self, other):
         return cmp(self.Point, other.Point) \
-            or cmp(self.SmoothGroup, other.SmoothGroup) 
-    
+            or cmp(self.SmoothGroup, other.SmoothGroup)
+
     def _key(self):
         return (type(self).__name__, self.Point, self.SmoothGroup)
-    
+
     def __hash__(self):
         return hash(self._key()) \
-            ^ hash(self.SmoothGroup) 
-        
+            ^ hash(self.SmoothGroup)
+
     def __eq__(self, other):
         if not hasattr(other, '_key'):
             return False
-        return self._key() == other._key() 
+        return self._key() == other._key()
 
 class VTriangle:
 
@@ -493,7 +492,7 @@ class VTriangle:
         self.MatIndex       = 0     # BYTE
         self.AuxMatIndex    = 0     # BYTE
         self.SmoothingGroups = 0    # DWORD
-        
+
     def dump(self):
         return pack('HHHBBL', self.WedgeIndex0, self.WedgeIndex1, self.WedgeIndex2, self.MatIndex, self.AuxMatIndex, self.SmoothingGroups)
         #print("smooth",self.SmoothingGroups)
@@ -503,21 +502,21 @@ class VTriangle:
 #===========================================================================
 
 #===========================================================================
-# RG - helper class to handle the normal way the UT files are stored 
+# RG - helper class to handle the normal way the UT files are stored
 # as sections consisting of a header and then a list of data structures
 #===========================================================================
 class FileSection:
-    
+
     def __init__(self, name, type_size):
         self.Header = VChunkHeader(name, type_size)
         self.Data   = []    # list of datatypes
-    
+
     def dump(self):
         data = self.Header.dump()
         for i in range(len(self.Data)):
             data = data + self.Data[i].dump()
         return data
-    
+
     def UpdateHeader(self):
         self.Header.DataCount = len(self.Data)
 
@@ -525,7 +524,7 @@ class FileSection:
 # PSK
 #===========================================================================
 class PSKFile:
-    
+
     def __init__(self):
         self.GeneralHeader  = VChunkHeader("ACTRHEAD", 0)
         self.Points         = FileSection("PNTS0000", SIZE_VPOINT)              # VPoint
@@ -534,8 +533,8 @@ class PSKFile:
         self.Materials      = FileSection("MATT0000", SIZE_VMATERIAL)           # VMaterial
         self.Bones          = FileSection("REFSKELT", SIZE_VBONE)               # VBone
         self.Influences     = FileSection("RAWWEIGHTS", SIZE_VRAWBONEINFLUENCE) # VRawBoneInfluence
-        
-        #RG - this mapping is not dumped, but is used internally to store the new point indices 
+
+        #RG - this mapping is not dumped, but is used internally to store the new point indices
         # for vertex groups calculated during the mesh dump, so they can be used again
         # to dump bone influences during the armature dump
         #
@@ -545,29 +544,29 @@ class PSKFile:
         # Layout:
         # { groupname : [ (index, weight), ... ], ... }
         #
-        # example: 
+        # example:
         # { 'MyVertexGroup' : [ (0, 1.0), (5, 1.0), (3, 0.5) ] , 'OtherGroup' : [(2, 1.0)] }
-        
-        self.VertexGroups = {} 
-        
+
+        self.VertexGroups = {}
+
     def AddPoint(self, p):
         self.Points.Data.append(p)
-        
+
     def AddWedge(self, w):
         self.Wedges.Data.append(w)
-    
+
     def AddFace(self, f):
         self.Faces.Data.append(f)
-        
+
     def AddMaterial(self, m):
         self.Materials.Data.append(m)
-        
+
     def AddBone(self, b):
         self.Bones.Data.append(b)
-        
+
     def AddInfluence(self, i):
         self.Influences.Data.append(i)
-        
+
     def UpdateHeaders(self):
         self.Points.UpdateHeader()
         self.Wedges.UpdateHeader()
@@ -575,12 +574,12 @@ class PSKFile:
         self.Materials.UpdateHeader()
         self.Bones.UpdateHeader()
         self.Influences.UpdateHeader()
-        
+
     def dump(self):
         self.UpdateHeaders()
         data = self.GeneralHeader.dump() + self.Points.dump() + self.Wedges.dump() + self.Faces.dump() + self.Materials.dump() + self.Bones.dump() + self.Influences.dump()
         return data
-        
+
     def GetMatByIndex(self, mat_index):
         if mat_index >= 0 and len(self.Materials.Data) > mat_index:
             return self.Materials.Data[mat_index]
@@ -590,7 +589,7 @@ class PSKFile:
             m.MaterialName = MaterialName[mat_index]
             self.AddMaterial(m)
             return m
-        
+
     def PrintOut(self):
         print( "{:>16} {:}".format( "Points", len(self.Points.Data) ) )
         print( "{:>16} {:}".format( "Wedges", len(self.Wedges.Data) ) )
@@ -603,16 +602,16 @@ class PSKFile:
 # PSA
 #
 # Notes from UDN:
-#   The raw key array holds all the keys for all the bones in all the specified sequences, 
+#   The raw key array holds all the keys for all the bones in all the specified sequences,
 #   organized as follows:
-#   For each AnimInfoBinary's sequence there are [Number of bones] times [Number of frames keys] 
-#   in the VQuatAnimKeys, laid out as tracks of [numframes] keys for each bone in the order of 
-#   the bones as defined in the array of FnamedBoneBinary in the PSA. 
+#   For each AnimInfoBinary's sequence there are [Number of bones] times [Number of frames keys]
+#   in the VQuatAnimKeys, laid out as tracks of [numframes] keys for each bone in the order of
+#   the bones as defined in the array of FnamedBoneBinary in the PSA.
 #
-#   Once the data from the PSK (now digested into native skeletal mesh) and PSA (digested into 
-#   a native animation object containing one or more sequences) are associated together at runtime, 
-#   bones are linked up by name. Any bone in a skeleton (from the PSK) that finds no partner in 
-#   the animation sequence (from the PSA) will assume its reference pose stance ( as defined in 
+#   Once the data from the PSK (now digested into native skeletal mesh) and PSA (digested into
+#   a native animation object containing one or more sequences) are associated together at runtime,
+#   bones are linked up by name. Any bone in a skeleton (from the PSK) that finds no partner in
+#   the animation sequence (from the PSA) will assume its reference pose stance ( as defined in
 #   the offsets & rotations that are in the VBones making up the reference skeleton from the PSK)
 #===========================================================================
 class PSAFile:
@@ -624,57 +623,57 @@ class PSAFile:
         self.RawKeys        = FileSection("ANIMKEYS", SIZE_VQUATANIMKEY)        #VQuatAnimKey
         # this will take the format of key=Bone Name, value = (BoneIndex, Bone Object)
         # THIS IS NOT DUMPED
-        self.BoneLookup = {} 
+        self.BoneLookup = {}
 
     def AddBone(self, b):
         self.Bones.Data.append(b)
-        
+
     def AddAnimation(self, a):
         self.Animations.Data.append(a)
-        
+
     def AddRawKey(self, k):
         self.RawKeys.Data.append(k)
-        
+
     def UpdateHeaders(self):
         self.Bones.UpdateHeader()
         self.Animations.UpdateHeader()
         self.RawKeys.UpdateHeader()
-        
+
     def GetBoneByIndex(self, bone_index):
         if bone_index >= 0 and len(self.Bones.Data) > bone_index:
             return self.Bones.Data[bone_index]
-    
+
     def IsEmpty(self):
         return (len(self.Bones.Data) == 0 or len(self.Animations.Data) == 0)
-    
+
     def StoreBone(self, b):
         self.BoneLookup[b.Name] = [-1, b]
-                    
+
     def UseBone(self, bone_name):
         if bone_name in self.BoneLookup:
             bone_data = self.BoneLookup[bone_name]
-            
+
             if bone_data[0] == -1:
                 bone_data[0] = len(self.Bones.Data)
                 self.AddBone(bone_data[1])
                 #self.Bones.Data.append(bone_data[1])
-            
+
             return bone_data[0]
-            
+
     def GetBoneByName(self, bone_name):
         if bone_name in self.BoneLookup:
             bone_data = self.BoneLookup[bone_name]
             return bone_data[1]
-        
+
     def GetBoneIndex(self, bone_name):
         if bone_name in self.BoneLookup:
             bone_data = self.BoneLookup[bone_name]
             return bone_data[0]
-        
+
     def dump(self):
         self.UpdateHeaders()
         return self.GeneralHeader.dump() + self.Bones.dump() + self.Animations.dump() + self.RawKeys.dump()
-        
+
     def PrintOut(self):
         print( "{:>16} {:}".format( "Bones", len(self.Bones.Data) ) )
         print( "{:>16} {:}".format( "Animations", len(self.Animations.Data) ) )
@@ -709,7 +708,7 @@ def make_namedbonebinary( name, parent_index, child_count, orientation_quat, pos
     bone.BonePos.Position.Y     = position_vect.y
     bone.BonePos.Position.Z     = position_vect.z
     bone.IsRealBone             = is_real
-    return bone 
+    return bone
 
 def make_fquat( bquat ):
     quat    = FQuat()
@@ -719,7 +718,7 @@ def make_fquat( bquat ):
     quat.Z  = -bquat.z
     quat.W  = bquat.w
     return quat
-    
+
 def make_fquat_default( bquat ):
     quat    = FQuat()
     #print(dir(bquat))
@@ -737,7 +736,7 @@ def is_1d_face( face, mesh ):
     v0 = face.vertices[0]
     v1 = face.vertices[1]
     v2 = face.vertices[2]
-    
+
     return (mesh.vertices[v0].co == mesh.vertices[v1].co \
         or mesh.vertices[v1].co == mesh.vertices[v2].co \
         or mesh.vertices[v2].co == mesh.vertices[v0].co)
@@ -748,9 +747,9 @@ def is_1d_face( face, mesh ):
 # (renamed to seperate it from VVertex.SmoothGroup)
 #===========================================================================
 class SmoothingGroup:
-    
+
     static_id = 1
-    
+
     def __init__(self):
         self.faces              = []
         self.neighboring_faces  = []
@@ -758,12 +757,12 @@ class SmoothingGroup:
         self.id                 = -1
         self.local_id           = SmoothingGroup.static_id
         SmoothingGroup.static_id += 1
-    
+
     def __cmp__(self, other):
         if isinstance(other, SmoothingGroup):
             return cmp( self.local_id, other.local_id )
         return -1
-    
+
     def __hash__(self):
         return hash(self.local_id)
 
@@ -776,37 +775,37 @@ class SmoothingGroup:
                     temp_id = temp_id << 1
                 else:
                     raise Error("Smoothing Group ID Overflowed, Smoothing Group evidently has more than 31 neighboring groups")
-        
+
         self.id = temp_id
         return self.id
-        
+
     def make_neighbor(self, new_neighbor):
         if new_neighbor not in self.neighboring_groups:
             self.neighboring_groups.append( new_neighbor )
 
     def contains_face(self, face):
         return (face in self.faces)
-        
+
     def add_neighbor_face(self, face):
         if not face in self.neighboring_faces:
             self.neighboring_faces.append( face )
-            
+
     def add_face(self, face):
         if not face in self.faces:
             self.faces.append( face )
 
 def determine_edge_sharing( mesh ):
-    
+
     edge_sharing_list = dict()
-    
+
     for edge in mesh.edges:
         edge_sharing_list[edge.key] = []
-    
+
     for face in mesh.tessfaces:
         for key in face.edge_keys:
             if not face in edge_sharing_list[key]:
                 edge_sharing_list[key].append(face) # mark this face as sharing this edge
-    
+
     return edge_sharing_list
 
 def find_edges( mesh, key ):
@@ -819,21 +818,21 @@ def find_edges( mesh, key ):
             return edge.index
 
 def add_face_to_smoothgroup( mesh, face, edge_sharing_list, smoothgroup ):
-    
+
     if face in smoothgroup.faces:
         return
 
     smoothgroup.add_face(face)
-    
+
     for key in face.edge_keys:
-        
+
         edge_id = find_edges(mesh, key)
-        
+
         if edge_id != None:
-            
+
             # not sharp
             if not( mesh.edges[edge_id].use_edge_sharp):
-                
+
                 for shared_face in edge_sharing_list[key]:
                     if shared_face != face:
                         # recursive
@@ -845,14 +844,14 @@ def add_face_to_smoothgroup( mesh, face, edge_sharing_list, smoothgroup ):
                         smoothgroup.add_neighbor_face( shared_face )
 
 def determine_smoothgroup_for_face( mesh, face, edge_sharing_list, smoothgroup_list ):
-    
+
     for group in smoothgroup_list:
         if (face in group.faces):
             return
-    
+
     smoothgroup = SmoothingGroup();
     add_face_to_smoothgroup( mesh, face, edge_sharing_list, smoothgroup )
-    
+
     if not smoothgroup in smoothgroup_list:
         smoothgroup_list.append( smoothgroup )
 
@@ -869,16 +868,16 @@ def build_neighbors_tree( smoothgroup_list ):
 # parse_smooth_groups
 #===========================================================================
 def parse_smooth_groups( mesh ):
-    
+
     print("Parsing smooth groups...")
-    
+
     t                   = time.clock()
     smoothgroup_list    = []
     edge_sharing_list   = determine_edge_sharing(mesh)
     #print("faces:",len(mesh.tessfaces))
     interval =  math.floor(len(mesh.tessfaces) / 100)
     if interval == 0: #if the faces are few do this
-        interval =  math.floor(len(mesh.tessfaces) / 10)    
+        interval =  math.floor(len(mesh.tessfaces) / 10)
     #print("FACES:",len(mesh.tessfaces),"//100 =" "interval:",interval)
     for face in mesh.tessfaces:
         #print(dir(face))
@@ -888,14 +887,14 @@ def parse_smooth_groups( mesh ):
             print("Processing... {}%\r".format( int(face.index / len(mesh.tessfaces) * 100) ), end='')
             sys.stdout.flush()
     print("Completed" , ' '*20)
-    
+
     verbose("len(smoothgroup_list)={}".format(len(smoothgroup_list)))
-    
+
     build_neighbors_tree(smoothgroup_list)
-    
+
     for group in smoothgroup_list:
         group.get_valid_smoothgroup_id()
-    
+
     print("Smooth group parsing completed in {:.2f}s".format(time.clock() - t))
     return smoothgroup_list
 
@@ -904,11 +903,11 @@ def parse_smooth_groups( mesh ):
 # blender 2.50 format using the Operators/command convert the mesh to tri mesh
 #===========================================================================
 def triangulate_mesh( object ):
-    
+
     verbose(header("triangulateNMesh"))
     #print(type(object))
     scene = bpy.context.scene
-    
+
     me_ob       = object.copy()
     me_ob.data = object.to_mesh(bpy.context.scene, True, 'PREVIEW') #write data object
     bpy.context.scene.objects.link(me_ob)
@@ -916,24 +915,24 @@ def triangulate_mesh( object ):
     bpy.ops.object.mode_set(mode='OBJECT')
     for i in scene.objects:
         i.select = False # deselect all objects
-    
+
     me_ob.select            = True
     scene.objects.active    = me_ob
-    
+
     print("Copy and Convert mesh just incase any way...")
-    
+
     bpy.ops.object.mode_set(mode='EDIT')
     bpy.ops.mesh.select_all(action='SELECT')# select all the face/vertex/edge
     bpy.ops.object.mode_set(mode='EDIT')
     bpy.ops.mesh.quads_convert_to_tris()
     bpy.context.scene.update()
-    
+
     bpy.ops.object.mode_set(mode='OBJECT')
-        
+
     bpy.context.scene.udk_option_triangulate = True
-        
+
     verbose("Triangulated mesh")
-        
+
     me_ob.data = me_ob.to_mesh(bpy.context.scene, True, 'PREVIEW') #write data object
     bpy.context.scene.update()
     return me_ob
@@ -945,7 +944,7 @@ def meshmerge(selectedobjects):
     if len(selectedobjects) > 1:
         print("selectedobjects:",len(selectedobjects)) #print select object
         count = 0 #reset count
-        for count in range(len( selectedobjects)): 
+        for count in range(len( selectedobjects)):
             #print("Index:",count)
             if selectedobjects[count] != None:
                 me_da = selectedobjects[count].data.copy() #copy data
@@ -967,7 +966,7 @@ def meshmerge(selectedobjects):
         if len(cloneobjects) > 1:
             bpy.types.Scene.udk_copy_merge = True
     return cloneobjects[0]
-    
+
 #sort the mesh center top list and not center at the last array. Base on order while select to merge mesh to make them center.
 def sortmesh(selectmesh):
     print("MESH SORTING...")
@@ -980,7 +979,7 @@ def sortmesh(selectmesh):
         else:#if not add here for not center
             notcentermesh.append(selectmesh[countm])
     selectmesh = []
-    #add mesh object in order for merge object 
+    #add mesh object in order for merge object
     for countm in range(len(centermesh)):
         selectmesh.append(centermesh[countm])
     for countm in range(len(notcentermesh)):
@@ -1007,10 +1006,10 @@ def parse_mesh( mesh, psk ):
         bpy.context.scene.objects.unlink(setmesh)
     #print("FACES----:",len(mesh.data.tessfaces))
     verbose("Working mesh object: {}".format(mesh.name))
-    
+
     #collect a list of the material names
     print("Materials...")
-    
+
     mat_slot_index = 0
 
     for slot in mesh.material_slots:
@@ -1019,7 +1018,7 @@ def parse_mesh( mesh, psk ):
         MaterialName.append(slot.name)
         #if slot.material.texture_slots[0] != None:
             #if slot.material.texture_slots[0].texture.image.filepath != None:
-                #print("    Texture path {}".format(slot.material.texture_slots[0].texture.image.filepath)) 
+                #print("    Texture path {}".format(slot.material.texture_slots[0].texture.image.filepath))
         #create the current material
         v_material              = psk.GetMatByIndex(mat_slot_index)
         v_material.MaterialName = slot.name
@@ -1029,7 +1028,7 @@ def parse_mesh( mesh, psk ):
         verbose("    PSK index {}".format(v_material.TextureIndex))
 
     #END slot in mesh.material_slots
-    
+
     # object_mat = mesh.materials[0]
     #object_material_index = mesh.active_material_index
     #FIXME ^ this is redundant due to "= face.material_index" in face loop
@@ -1037,19 +1036,19 @@ def parse_mesh( mesh, psk ):
     wedges          = ObjMap()
     points          = ObjMap() #vertex
     points_linked   = {}
-    
+
     discarded_face_count = 0
     sys.setrecursionlimit(1000000)
     smoothgroup_list = parse_smooth_groups(mesh.data)
-    
+
     print("{} faces".format(len(mesh.data.tessfaces)))
-    
+
     print("Smooth groups active:", bpy.context.scene.udk_option_smoothing_groups)
-    
+
     for face in mesh.data.tessfaces:
-        
+
         smoothgroup_id = 0x80000000
-        
+
         for smooth_group in smoothgroup_list:
             if smooth_group.contains_face(face):
                 smoothgroup_id = smooth_group.id
@@ -1059,38 +1058,38 @@ def parse_mesh( mesh, psk ):
         #print current_face.uv_textures
         # modified by VendorX
         object_material_index = face.material_index
-        
+
         if len(face.vertices) != 3:
             raise Error("Non-triangular face (%i)" % len(face.vertices))
-        
-        #RG - apparently blender sometimes has problems when you do quad to triangle 
+
+        #RG - apparently blender sometimes has problems when you do quad to triangle
         #   conversion, and ends up creating faces that have only TWO points -
-        #   one of the points is simply in the vertex list for the face twice. 
-        #   This is bad, since we can't get a real face normal for a LINE, we need 
-        #   a plane for this. So, before we add the face to the list of real faces, 
-        #   ensure that the face is actually a plane, and not a line. If it is not 
+        #   one of the points is simply in the vertex list for the face twice.
+        #   This is bad, since we can't get a real face normal for a LINE, we need
+        #   a plane for this. So, before we add the face to the list of real faces,
+        #   ensure that the face is actually a plane, and not a line. If it is not
         #   planar, just discard it and notify the user in the console after we're
         #   done dumping the rest of the faces
-        
+
         if not is_1d_face(face, mesh.data):
-            
+
             wedge_list  = []
             vect_list   = []
-            
+
             #get or create the current material
             psk.GetMatByIndex(object_material_index)
 
             face_index  = face.index
             has_uv      = False
             face_uv     = None
-            
+
             if len(mesh.data.uv_textures) > 0:
-                has_uv      = True   
+                has_uv      = True
                 uv_layer    = mesh.data.tessface_uv_textures.active
                 face_uv     = uv_layer.data[face_index]
                 #size(data) is number of texture faces. Each face has UVs
                 #print("DATA face uv: ",len(faceUV.uv), " >> ",(faceUV.uv[0][0]))
-            
+
             for i in range(3):
                 vert_index  = face.vertices[i]
                 vert        = mesh.data.vertices[vert_index]
@@ -1105,11 +1104,11 @@ def parse_mesh( mesh, psk ):
                 else:
                     #print ("No UVs?")
                     uv = [0.0, 0.0]
-                
+
                 #flip V coordinate because UEd requires it and DOESN'T flip it on its own like it
                 #does with the mesh Y coordinates. this is otherwise known as MAGIC-2
                 uv[1] = 1.0 - uv[1]
-                
+
                 # clamp UV coords if udk_option_clamp_uv is True
                 if bpy.context.scene.udk_option_clamp_uv:
                     if (uv[0] > 1):
@@ -1120,11 +1119,11 @@ def parse_mesh( mesh, psk ):
                         uv[1] = 1
                     if (uv[1] < 0):
                         uv[1] = 0
-                
+
                 # RE - Append untransformed vector (for normal calc below)
                 # TODO: convert to Blender.Mathutils
                 vect_list.append( FVector(vert.co.x, vert.co.y, vert.co.z) )
-                
+
                 # Transform position for export
                 #vpos = vert.co * object_material_index
 
@@ -1148,13 +1147,13 @@ def parse_mesh( mesh, psk ):
                 lPoint.Point.X  = vpos.x
                 lPoint.Point.Y  = vpos.y
                 lPoint.Point.Z  = vpos.z
-                
+
                 if lPoint in points_linked:
                     if not(p in points_linked[lPoint]):
                         points_linked[lPoint].append(p)
                 else:
                     points_linked[lPoint] = [p]
-                
+
                 # Create the wedge
                 w               = VVertex()
                 w.MatIndex      = object_material_index
@@ -1165,18 +1164,18 @@ def parse_mesh( mesh, psk ):
                     w.SmoothGroup = smoothgroup_id
                 index_wedge = wedges.get(w)
                 wedge_list.append(index_wedge)
-                
+
                 #print results
                 #print("result PointIndex={}, U={:.6f}, V={:.6f}, wedge_index={}".format(
                 #   w.PointIndex,
                 #   w.U,
                 #   w.V,
                 #   index_wedge))
-            
+
             #END for i in range(3)
 
             # Determine face vertex order
-            
+
             # TODO: convert to Blender.Mathutils
             # get normal from blender
             no = face.normal
@@ -1202,13 +1201,13 @@ def parse_mesh( mesh, psk ):
                 dindex0 = face.vertices[0];
                 dindex1 = face.vertices[1];
                 dindex2 = face.vertices[2];
-                
+
                 mesh.data.vertices[dindex0].select = True
                 mesh.data.vertices[dindex1].select = True
                 mesh.data.vertices[dindex2].select = True
-                
+
                 raise Error("Normal coplanar with face! points:", mesh.data.vertices[dindex0].co, mesh.data.vertices[dindex1].co, mesh.data.vertices[dindex2].co)
-            
+
             face.select = True
             if face.use_smooth == True:
                 tri.SmoothingGroups = 1
@@ -1219,53 +1218,53 @@ def parse_mesh( mesh, psk ):
             if bpy.context.scene.udk_option_smoothing_groups:
                 tri.SmoothingGroups = smoothgroup_id
                 print("Bool Smooth")
-            
+
             psk.AddFace(tri)
 
-        #END if not is_1d_face(current_face, mesh.data) 
+        #END if not is_1d_face(current_face, mesh.data)
 
         else:
             discarded_face_count += 1
-            
+
     #END face in mesh.data.faces
-        
+
     print("{} points".format(len(points.dict)))
-    
+
     for point in points.items():
         psk.AddPoint(point)
-        
+
     if len(points.dict) > 32767:
        raise Error("Mesh vertex limit exceeded! {} > 32767".format(len(points.dict)))
-    
+
     print("{} wedges".format(len(wedges.dict)))
-    
+
     for wedge in wedges.items():
         psk.AddWedge(wedge)
-    
+
     # alert the user to degenerate face issues
     if discarded_face_count > 0:
         print("WARNING: Mesh contained degenerate faces (non-planar)")
         print("      Discarded {} faces".format(discarded_face_count))
-    
-    #RG - walk through the vertex groups and find the indexes into the PSK points array 
-    #for them, then store that index and the weight as a tuple in a new list of 
+
+    #RG - walk through the vertex groups and find the indexes into the PSK points array
+    #for them, then store that index and the weight as a tuple in a new list of
     #verts for the group that we can look up later by bone name, since Blender matches
     #verts to bones for influences by having the VertexGroup named the same thing as
     #the bone
-    
-    #[print(x, len(points_linked[x])) for x in points_linked] 
+
+    #[print(x, len(points_linked[x])) for x in points_linked]
     #print("pointsindex length ",len(points_linked))
     #vertex group
-    
+
     # all vertex groups of the mesh (obj)...
     for obj_vertex_group in mesh.vertex_groups:
-        
+
         #print("  bone group build:",obj_vertex_group.name)#print bone name
         #print(dir(obj_vertex_group))
         verbose("obj_vertex_group.name={}".format(obj_vertex_group.name))
-        
+
         vertex_list = []
-        
+
         # all vertices in the mesh...
         for vertex in mesh.data.vertices:
             #print(dir(vertex))
@@ -1280,7 +1279,7 @@ def parse_mesh( mesh, psk ):
                         vpos.y = vpos.y * bpy.context.scene.udk_option_scale
                         vpos.z = vpos.z * bpy.context.scene.udk_option_scale
                     p.Point.X       = vpos.x
-                    p.Point.Y       = vpos.y 
+                    p.Point.Y       = vpos.y
                     p.Point.Z       = vpos.z
                     #print(p)
                     #print(len(points_linked[p]))
@@ -1292,11 +1291,11 @@ def parse_mesh( mesh, psk ):
                     except Exception:#if get error ignore them #not safe I think
                         print("Error link points!")
                         pass
-                    
+
         #bone name, [point id and wieght]
         #print("Add Vertex Group:",obj_vertex_group.name, " No. Points:",len(vertex_list))
         psk.VertexGroups[obj_vertex_group.name] = vertex_list
-    
+
     # remove the temporary triangulated mesh
     if bpy.context.scene.udk_option_triangulate == True:
         verbose("Removing temporary triangle mesh: {}".format(mesh.name))
@@ -1308,34 +1307,34 @@ def parse_mesh( mesh, psk ):
 # Collate bones that belong to the UDK skeletal mesh
 #===========================================================================
 def parse_armature( armature, psk, psa ):
-        
+
     print(header("ARMATURE", 'RIGHT'))
     verbose("Armature object: {} Armature data: {}".format(armature.name, armature.data.name))
-    
+
     # generate a list of root bone candidates
     root_candidates = [b for b in armature.data.bones if b.parent == None and b.use_deform == True]
-    
+
     # should be a single, unambiguous result
     if len(root_candidates) == 0:
         raise Error("Cannot find root for UDK bones. The root bone must use deform.")
-    
+
     if len(root_candidates) > 1:
         raise Error("Ambiguous root for UDK. More than one root bone is using deform.")
-    
+
     # prep for bone collection
     udk_root_bone   = root_candidates[0]
     udk_bones       = []
     BoneUtil.static_bone_id = 0 # replaces global
-    
+
     # traverse bone chain
     print("{: <3} {: <48} {: <20}".format("ID", "Bone", "Status"))
     print()
     recurse_bone(udk_root_bone, udk_bones, psk, psa, 0, armature.matrix_local)
-    
+
     # final validation
     if len(udk_bones) < 3:
         raise Error("Less than three bones may crash UDK (legacy issue?)")
-    
+
     # return a list of bones making up the entire udk skel
     # this is passed to parse_animation instead of working from keyed bones in the action
     return udk_bones
@@ -1350,14 +1349,14 @@ def parse_armature( armature, psk, psa ):
 # indent            text indent for recursive log
 #===========================================================================
 def recurse_bone( bone, bones, psk, psa, parent_id, parent_matrix, indent="" ):
-    
+
     status = "Ok"
-    
+
     bones.append(bone);
 
     if not bone.use_deform:
         status = "No effect"
-    
+
     # calc parented bone transform
     if bone.parent != None:
         quat        = make_fquat(bone.matrix.to_quaternion())
@@ -1378,12 +1377,12 @@ def recurse_bone( bone, bones, psk, psa, parent_id, parent_matrix, indent="" ):
         translation.z = translation.z * bpy.context.scene.udk_option_scale
     bone_id     = BoneUtil.static_bone_id   # ALT VERS
     BoneUtil.static_bone_id += 1            # ALT VERS
-    
+
     child_count = len(bone.children)
-    
+
     psk.AddBone( make_vbone(bone.name, parent_id, child_count, quat, translation) )
     psa.StoreBone( make_namedbonebinary(bone.name, parent_id, child_count, quat, translation, 1) )
-    
+
     #RG - dump influences for this bone - use the data we collected in the mesh dump phase to map our bones to vertex groups
     if bone.name in psk.VertexGroups:
         vertex_list = psk.VertexGroups[bone.name]
@@ -1400,12 +1399,12 @@ def recurse_bone( bone, bones, psk, psa, parent_id, parent_matrix, indent="" ):
     else:
         status = "No vertex group"
         #FIXME overwriting previous status error?
-    
+
     print("{:<3} {:<48} {:<20}".format(bone_id, indent+bone.name, status))
-    
+
     #bone.matrix_local
     #recursively dump child bones
-    
+
     for child_bone in bone.children:
         recurse_bone(child_bone, bones, psk, psa, bone_id, parent_matrix, " "+indent)
 
@@ -1420,12 +1419,12 @@ class BoneUtil:
 # psa               the PSA file object
 #===========================================================================
 def parse_animation( armature, udk_bones, actions_to_export, psa ):
-    
+
     print(header("ANIMATION", 'RIGHT'))
-    
+
     context     = bpy.context
     anim_rate   = context.scene.render.fps
-    
+
     verbose("Armature object: {}".format(armature.name))
     print("Scene: {} FPS: {} Frames: {} to {}".format(context.scene.name, anim_rate, context.scene.frame_start, context.scene.frame_end))
     print("Processing {} action(s)".format(len(actions_to_export)))
@@ -1434,13 +1433,13 @@ def parse_animation( armature, udk_bones, actions_to_export, psa ):
         print("None Actions Set! skipping...")
         return
     restoreAction   = armature.animation_data.action    # Q: is animation_data always valid?
-    
+
     restoreFrame    = context.scene.frame_current       # we already do this in export_proxy, but we'll do it here too for now
     raw_frame_index = 0  # used to set FirstRawFrame, seperating actions in the raw keyframe array
-    
+
     # action loop...
     for action in actions_to_export:
-        
+
         # removed: check for armature with no animation; all it did was force you to add one
 
         if not len(action.fcurves):
@@ -1451,14 +1450,14 @@ def parse_animation( armature, udk_bones, actions_to_export, psa ):
         # note if loop all actions that is not armature it will override and will break armature animation.
         armature.animation_data.action = action
         context.scene.update()
-        
+
         # min/max frames define range
         framemin, framemax  = action.frame_range
         start_frame         = int(framemin)
         end_frame           = int(framemax)
         scene_range         = range(start_frame, end_frame + 1)
         frame_count         = len(scene_range)
-        
+
         # create the AnimInfoBinary
         anim                = AnimInfoBinary()
         anim.Name           = action.name
@@ -1466,11 +1465,11 @@ def parse_animation( armature, udk_bones, actions_to_export, psa ):
         anim.NumRawFrames   = frame_count
         anim.AnimRate       = anim_rate
         anim.FirstRawFrame  = raw_frame_index
-        
+
         print("{}, frames {} to {} ({} frames)".format(action.name, start_frame, end_frame, frame_count))
-        
+
         # removed: bone lookup table
-        
+
         # build a list of pose bones relevant to the collated udk_bones
         # fixme: could be done once, prior to loop?
         udk_pose_bones = []
@@ -1483,39 +1482,39 @@ def parse_animation( armature, udk_bones, actions_to_export, psa ):
         # sort in the order the bones appear in the PSA file
         ordered_bones = {}
         ordered_bones = sorted([(psa.UseBone(b.name), b) for b in udk_pose_bones], key=operator.itemgetter(0))
-        
+
         # NOTE: posebone.bone references the obj/edit bone
         # REMOVED: unique_bone_indexes is redundant?
-        
+
         # frame loop...
         for i in range(frame_count):
-            
+
             frame = scene_range[i]
-            
+
             #verbose("FRAME {}".format(i), i) # test loop sampling
-            
+
             # advance to frame (automatically updates the pose)
             context.scene.frame_set(frame)
-            
+
             # compute the key for each bone
             for bone_data in ordered_bones:
-                
+
                 bone_index          = bone_data[0]
                 pose_bone           = bone_data[1]
                 pose_bone_matrix    = mathutils.Matrix(pose_bone.matrix)
-                
+
                 if pose_bone.parent != None:
                     pose_bone_parent_matrix = mathutils.Matrix(pose_bone.parent.matrix)
                     pose_bone_matrix        = pose_bone_parent_matrix.inverted() * pose_bone_matrix
-                
+
                 head                = pose_bone_matrix.to_translation()
                 quat                = pose_bone_matrix.to_quaternion().normalized()
-                
+
                 if pose_bone.parent != None:
                     quat = make_fquat(quat)
                 else:
                     quat = make_fquat_default(quat)
-                
+
                 #scale animation position here?
                 if bpy.context.scene.udk_option_scale < 0 or bpy.context.scene.udk_option_scale > 1:
                     head.x = head.x * bpy.context.scene.udk_option_scale
@@ -1527,25 +1526,25 @@ def parse_animation( armature, udk_bones, actions_to_export, psa ):
                 vkey.Position.Y     = head.y
                 vkey.Position.Z     = head.z
                 vkey.Orientation    = quat
-                
+
                 # frame delta = 1.0 / fps
                 vkey.Time           = 1.0 / float(anim_rate)    # according to C++ header this is "disregarded"
-                
+
                 psa.AddRawKey(vkey)
-                
+
             # END for bone_data in ordered_bones
 
             raw_frame_index += 1
-        
+
         # END for i in range(frame_count)
-        
+
         anim.TotalBones = len(ordered_bones)    # REMOVED len(unique_bone_indexes)
         anim.TrackTime  = float(frame_count)    # frame_count/anim.AnimRate makes more sense, but this is what actually works in UDK
 
         verbose("anim.TotalBones={}, anim.TrackTime={}".format(anim.TotalBones, anim.TrackTime))
-        
+
         psa.AddAnimation(anim)
-        
+
     # END for action in actions
 
     # restore
@@ -1560,7 +1559,7 @@ def parse_animation( armature, udk_bones, actions_to_export, psa ):
 def collate_actions():
     verbose(header("collate_actions"))
     actions_to_export = []
-    
+
     for action in bpy.data.actions:
         if bpy.context.scene.udk_option_selectanimations: # check if needed to select actions set for exporting it
             print("Action Set is selected!")
@@ -1575,7 +1574,7 @@ def collate_actions():
                 continue
         verbose(" + {}".format(action.name)) #action set name
         actions_to_export.append(action) #add to the action array
-    
+
     return actions_to_export
 
 #===========================================================================
@@ -1584,16 +1583,16 @@ def collate_actions():
 #===========================================================================
 def find_armature_and_mesh():
     verbose(header("find_armature_and_mesh", 'LEFT', '<', 60))
-    
+
     context         = bpy.context
     active_object   = context.active_object
     armature        = None
     mesh            = None
-    
+
     # TODO:
     # this could be more intuitive
     #bpy.ops.object.mode_set(mode='OBJECT')
-    
+
     if bpy.context.scene.udk_option_selectobjects: #if checked select object true do list object on export
         print("select mode:")
         if len(bpy.context.scene.udkArm_list) > 0:
@@ -1626,14 +1625,14 @@ def find_armature_and_mesh():
                 mesh = active_object
             else:
                 raise Error("The selected mesh is not parented to the armature")
-    
+
         # otherwise, expect a single mesh parented to the armature (other object types are ignored)
         else:
             print("Number of meshes:",len(meshes))
             print("Number of meshes (selected):",len(meshes))
             if len(meshes) == 1:
                 mesh = meshes[0]
-                
+
             elif len(meshes) > 1:
                 if len(meshselected) >= 1:
                     mesh = sortmesh(meshselected)
@@ -1651,7 +1650,7 @@ def find_armature_and_mesh():
         else:
             #bpy.ops.object.mode_set(mode='OBJECT')
             all_armatures = [obj for obj in bpy.context.scene.objects if obj.type == 'ARMATURE']
-            
+
             if len(all_armatures) == 1:#if armature has one scene just assign it
                 armature = all_armatures[0]
             elif len(all_armatures) > 1:#if there more armature then find the select armature
@@ -1665,15 +1664,15 @@ def find_armature_and_mesh():
                     raise Error("Please select an armatures in the scene")
             else:
                 raise Error("No armatures in scene")
-        
+
         verbose("Found armature: {}".format(armature.name))
-        
+
         meshselected = []
         parented_meshes = [obj for obj in armature.children if obj.type == 'MESH']
-        
+
         if len(armature.children) == 0:
             raise Error("The selected Armature has no mesh parented to the Armature Object!")
-        
+
         for obj in armature.children:
             #print(dir(obj))
             if obj.type == 'MESH' and obj.select == True:
@@ -1684,14 +1683,14 @@ def find_armature_and_mesh():
                 mesh = active_object
             else:
                 raise Error("The selected mesh is not parented to the armature")
-    
+
         # otherwise, expect a single mesh parented to the armature (other object types are ignored)
         else:
             print("Number of meshes:",len(parented_meshes))
             print("Number of meshes (selected):",len(meshselected))
             if len(parented_meshes) == 1:
                 mesh = parented_meshes[0]
-                
+
             elif len(parented_meshes) > 1:
                 if len(meshselected) >= 1:
                     mesh = sortmesh(meshselected)
@@ -1699,7 +1698,7 @@ def find_armature_and_mesh():
                     raise Error("More than one mesh(s) parented to armature. Select object(s)!")
             else:
                 raise Error("No mesh parented to armature")
-        
+
         verbose("Found mesh: {}".format(mesh.name))
     if mesh == None or armature == None:
         raise Error("Check Mesh and Armature are list!")
@@ -1707,7 +1706,7 @@ def find_armature_and_mesh():
         #print("Armature and Mesh Vertex Groups matches Ok!")
     #else:
         #raise Error("Armature bones:" + str(len(armature.pose.bones)) + " Mesh Vertex Groups:" + str(len(mesh.vertex_groups)) +" doesn't match!")
-    
+
     #this will check if object need to be rebuild.
     if bpy.context.scene.udk_option_rebuildobjects:
         #print("INIT... REBUILDING...")
@@ -1727,14 +1726,14 @@ def find_armature_and_mesh():
 def collate_vertex_groups( mesh ):
     verbose("collate_vertex_groups")
     groups = []
-    
+
     for group in mesh.vertex_groups:
-        
+
         groups.append(group)
         verbose("  " + group.name)
-    
+
     return groups
-        
+
 #===========================================================================
 # Main
 #===========================================================================
@@ -1743,72 +1742,72 @@ def export(filepath):
     bpy.types.Scene.udk_copy_merge = False #in case fail to export set this to default
     t       = time.clock()
     context = bpy.context
-    
+
     print("Blender Version {}.{}.{}".format(bpy.app.version[0], bpy.app.version[1], bpy.app.version[2]))
     print("Filepath: {}".format(filepath))
-    
+
     verbose("PSK={}, PSA={}".format(context.scene.udk_option_export_psk, context.scene.udk_option_export_psa))
-    
+
     # find armature and mesh
     # [change this to implement alternative methods; raise Error() if not found]
     udk_armature, udk_mesh = find_armature_and_mesh()
-    
+
     # check misc conditions
     if not (udk_armature.scale.x == udk_armature.scale.y == udk_armature.scale.z == 1):
         raise Error("bad armature scale: armature object should have uniform scale of 1 (ALT-S)")
-    
+
     if not (udk_mesh.scale.x == udk_mesh.scale.y == udk_mesh.scale.z == 1):
         raise Error("bad mesh scale: mesh object should have uniform scale of 1 (ALT-S)")
-    
+
     if not (udk_armature.location.x == udk_armature.location.y == udk_armature.location.z == 0):
         raise Error("bad armature location: armature should be located at origin (ALT-G)")
-    
+
     if not (udk_mesh.location.x == udk_mesh.location.y == udk_mesh.location.z == 0):
         raise Error("bad mesh location: mesh should be located at origin (ALT-G)")
-    
+
     # prep
     psk = PSKFile()
     psa = PSAFile()
-    
+
     # step 1
     parse_mesh(udk_mesh, psk)
-    
+
     # step 2
     udk_bones = parse_armature(udk_armature, psk, psa)
-    
+
     # step 3
     if context.scene.udk_option_export_psa == True:
         actions = collate_actions()
         parse_animation(udk_armature, udk_bones, actions, psa)
-    
+
     # write files
     print(header("Exporting", 'CENTER'))
-    
+
     psk_filename = filepath + '.psk'
     psa_filename = filepath + '.psa'
-    
+
     if context.scene.udk_option_export_psk == True:
         print("Skeletal mesh data...")
         psk.PrintOut()
-        file = open(psk_filename, "wb") 
+        file = open(psk_filename, "wb")
         file.write(psk.dump())
-        file.close() 
+        file.close()
         print("Exported: " + psk_filename)
         print()
-    
+
     if context.scene.udk_option_export_psa == True:
         print("Animation data...")
         if not psa.IsEmpty():
             psa.PrintOut()
-            file = open(psa_filename, "wb") 
+            file = open(psa_filename, "wb")
             file.write(psa.dump())
-            file.close() 
+            file.close()
             print("Exported: " + psa_filename)
         else:
             print("No Animation (.psa file) to export")
 
         print()
-    
+
     #if objects are rebuild do the unlink
     if bpy.context.scene.udk_option_rebuildobjects:
         print("Unlinking Objects")
@@ -1826,20 +1825,20 @@ class Operator_UDKExport( bpy.types.Operator ):
     """Export to UDK"""
     bl_idname   = "object.udk_export"
     bl_label    = "Export now"
-    
+
     def execute(self, context):
         print( "\n"*8 )
-        
+
         scene = bpy.context.scene
-        
+
         scene.udk_option_export_psk = (scene.udk_option_export == '0' or scene.udk_option_export == '2')
         scene.udk_option_export_psa = (scene.udk_option_export == '1' or scene.udk_option_export == '2')
-        
+
         filepath = get_dst_path()
-        
+
         # cache settings
         restore_frame = scene.frame_current
-        
+
         message = "Finish Export!"
         try:
             export(filepath)
@@ -1847,15 +1846,15 @@ class Operator_UDKExport( bpy.types.Operator ):
         except Error as err:
             print(err.message)
             message = err.message
-        
+
         # restore settings
         scene.frame_set(restore_frame)
-        
+
         self.report({'ERROR'}, message)
-        
+
         # restore settings
         scene.frame_set(restore_frame)
-        
+
         return {'FINISHED'}
 
 #===========================================================================
@@ -1865,7 +1864,7 @@ class Operator_ToggleConsole( bpy.types.Operator ):
     """Show or hide the console"""
     bl_idname   = "object.toggle_console"
     bl_label    = "Toggle console"
-    
+
     #def invoke(self, context, event):
     #   bpy.ops.wm.console_toggle()
     #   return{'FINISHED'}
@@ -1894,7 +1893,7 @@ bpy.types.Scene.udk_option_filename_src = EnumProperty(
         items       = [ ('0', "From object",    "Name will be taken from object name"),
                         ('1', "From Blend",     "Name will be taken from .blend file name") ],
         default     = '0')
-    
+
 bpy.types.Scene.udk_option_export_psk = BoolProperty(
         name        = "bool export psa",
         description = "Boolean for exporting psk format (Skeleton Mesh)",
@@ -1909,7 +1908,7 @@ bpy.types.Scene.udk_option_clamp_uv = BoolProperty(
         name        = "Clamp UV",
         description = "True is to limit Clamp UV co-ordinates to [0-1]. False is unrestricted (x,y). ",
         default     = False)
-        
+
 bpy.types.Scene.udk_copy_merge = BoolProperty(
         name        = "Merge Mesh",
         description = "This will copy the mesh(s) and merge the object together and unlink the mesh to be remove while exporting the object.",
@@ -1937,22 +1936,22 @@ bpy.types.Scene.udk_option_triangulate = BoolProperty(
         name        = "Triangulate Mesh",
         description = "Convert Quads to Triangles",
         default     = False)
-        
+
 bpy.types.Scene.udk_option_selectanimations = BoolProperty(
         name        = "Select Animation(s)",
         description = "Select animation(s) for export to psa file.",
         default     = False)
-        
+
 bpy.types.Scene.udk_option_selectobjects = BoolProperty(
         name        = "Select Object(s)",
         description = "Select Armature and Mesh(s). Just make sure mesh(s) is parent to armature.",
         default     = False)
-        
+
 bpy.types.Scene.udk_option_rebuildobjects = BoolProperty(
         name        = "Rebuild Objects",
         description = "In case of deform skeleton mesh and animations data. This will rebuild objects from raw format on export when checked.",
         default     = False)
-        
+
 bpy.types.Scene.udk_option_ignoreactiongroupnames = BoolProperty(
         name        = "Ignore Action Group Names",
         description = "This will Ignore Action Set Group Names Check With Armature Bones. It will override armature to set action set.",
@@ -1970,7 +1969,7 @@ class OBJECT_OT_UTSelectedFaceSmooth(bpy.types.Operator):
     """It will only select smooth faces that is select mesh"""
     bl_idname = "object.utselectfacesmooth"  # XXX, name???
     bl_label = "Select Smooth Faces"#"Select Smooth faces"
-    
+
     def invoke(self, context, event):
         print("----------------------------------------")
         print("Init Select Face(s):")
@@ -2006,21 +2005,21 @@ class OBJECT_OT_UTSelectedFaceSmooth(bpy.types.Operator):
         else:
             print("Didn't select Mesh Object!")
             self.report({'INFO'}, "Didn't Select Mesh Object!")
-        print("----------------------------------------")        
+        print("----------------------------------------")
         return{'FINISHED'}
-        
+
 class OBJECT_OT_MeshClearWeights(bpy.types.Operator):
     """Remove all mesh vertex groups weights for the bones."""
     bl_idname = "object.meshclearweights"  # XXX, name???
     bl_label = "Remove Vertex Weights"#"Remove Mesh vertex weights"
-    
+
     def invoke(self, context, event):
         for obj in bpy.data.objects:
             if obj.type == 'MESH' and obj.select == True:
                 for vg in obj.vertex_groups:
                     obj.vertex_groups.remove(vg)
                 self.report({'INFO'}, "Mesh Vertex Groups Remove!")
-                break           
+                break
         return{'FINISHED'}
 
 def unpack_list(list_of_tuples):
@@ -2036,7 +2035,7 @@ def rebuildmesh(obj):
     for i in bpy.context.scene.objects: i.select = False #deselect all objects
     obj.select = True
     bpy.context.scene.objects.active = obj
-    
+
     me_ob = bpy.data.meshes.new(("Re_"+obj.name))
     mesh = obj.data
     faces = []
@@ -2061,7 +2060,7 @@ def rebuildmesh(obj):
             faces.extend([(face.vertices[0],face.vertices[1],face.vertices[2],face.vertices[3])])
     #vertex positions
     for vertex in mesh.vertices:
-        verts.append(vertex.co.to_tuple())              
+        verts.append(vertex.co.to_tuple())
     #vertices weight groups into array
     vertGroups = {} #array in strings
     for vgroup in obj.vertex_groups:
@@ -2072,15 +2071,15 @@ def rebuildmesh(obj):
                     vlist.append((v.index,vg.weight))
                     #print((v.index,vg.weight))
         vertGroups[vgroup.name] = vlist
-    
+
     #print("creating mesh object...")
     #me_ob.from_pydata(verts, [], faces)
     me_ob.vertices.add(len(verts))
     me_ob.tessfaces.add(len(faces))
-    me_ob.vertices.foreach_set("co", unpack_list(verts)) 
+    me_ob.vertices.foreach_set("co", unpack_list(verts))
     me_ob.tessfaces.foreach_set("vertices_raw",unpack_list( faces))
     me_ob.tessfaces.foreach_set("use_smooth", smoothings)#smooth array from face
-    
+
     #check if there is uv faces
     if len(uvfaces) > 0:
         uvtex = me_ob.tessface_uv_textures.new(name="retex")
@@ -2096,7 +2095,7 @@ def rebuildmesh(obj):
                 blender_tface.uv2 = mfaceuv[1];
                 blender_tface.uv3 = mfaceuv[2];
                 blender_tface.uv4 = mfaceuv[3];
-    
+
     me_ob.update()#need to update the information to able to see into the secne
     obmesh = bpy.data.objects.new(("Re_"+obj.name),me_ob)
     bpy.context.scene.update()
@@ -2129,7 +2128,7 @@ class OBJECT_OT_UTRebuildMesh(bpy.types.Operator):
     """Note the scale will be 1:1 for object mode. To keep from deforming"""
     bl_idname = "object.utrebuildmesh"  # XXX, name???
     bl_label = "Rebuild Mesh"#"Rebuild Mesh"
-    
+
     def invoke(self, context, event):
         print("----------------------------------------")
         print("Init Mesh Bebuild...")
@@ -2155,7 +2154,7 @@ def rebuildarmature(obj):
     for i in bpy.context.scene.objects: i.select = False #deselect all objects
     ob_new.select = True
     bpy.context.scene.objects.active = obj
-    
+
     bpy.ops.object.mode_set(mode='EDIT')
     for bone in obj.data.edit_bones:
         if bone.parent != None:
@@ -2166,7 +2165,7 @@ def rebuildarmature(obj):
     for i in bpy.context.scene.objects: i.select = False #deselect all objects
     bpy.context.scene.objects.active = ob_new
     bpy.ops.object.mode_set(mode='EDIT')
-    
+
     for bone in obj.data.bones:
         bpy.ops.object.mode_set(mode='EDIT')
         newbone = ob_new.data.edit_bones.new(bone.name)
@@ -2185,14 +2184,14 @@ def rebuildarmature(obj):
         ob_new.animation_data.action  = obj.animation_data.action  #just make sure it here to do the animations if exist
     print("Armature Object Name:",ob_new.name)
     return ob_new
-        
+
 class OBJECT_OT_UTRebuildArmature(bpy.types.Operator):
     """If mesh is deform when importing to unreal engine try this. """ \
     """It rebuild the bones one at the time by select one armature object scrape to raw setup build. """ \
     """Note the scale will be 1:1 for object mode. To keep from deforming"""
     bl_idname = "object.utrebuildarmature"  # XXX, name???
     bl_label = "Rebuild Armature" #Rebuild Armature
-    
+
     def invoke(self, context, event):
         print("----------------------------------------")
         print("Init Rebuild Armature...")
@@ -2280,12 +2279,12 @@ class Panel_UDKExport( bpy.types.Panel ):
     #bl_context     = "object"
     bl_space_type   = "VIEW_3D"
     bl_region_type  = "TOOLS"
-    
+
     #def draw_header(self, context):
     #   layout = self.layout
         #obj = context.object
         #layout.prop(obj, "select", text="")
-    
+
     #@classmethod
     #def poll(cls, context):
     #   return context.active_object
@@ -2312,7 +2311,7 @@ class Panel_UDKExport( bpy.types.Panel ):
         #layout.separator()
         layout.prop(context.scene, "udk_option_export")
         layout.prop(context.scene, "udk_option_selectobjects")
-        
+
         if context.scene.udk_option_selectobjects:
             layout.operator("object.selobjectpdate")
             layout.label(text="ARMATURE - Index")
@@ -2335,7 +2334,7 @@ class Panel_UDKExport( bpy.types.Panel ):
         row11.operator("object.udk_export")
         row11.operator("object.toggle_console")
         layout.operator(OBJECT_OT_UTRebuildArmature.bl_idname)
-        layout.label(text="Mesh")        
+        layout.label(text="Mesh")
         layout.operator(OBJECT_OT_MeshClearWeights.bl_idname)
         layout.operator(OBJECT_OT_UTSelectedFaceSmooth.bl_idname)
         layout.operator(OBJECT_OT_UTRebuildMesh.bl_idname)
@@ -2377,7 +2376,7 @@ def udkupdateobjects():
                     my_objlist.remove(count)
                     break
                 count += 1
-                
+
         my_objlist = bpy.context.scene.udkmesh_list
         objectl = []
         for objarm in bpy.context.scene.objects:#list and filter only mesh and armature
@@ -2412,14 +2411,14 @@ def udkupdateobjects():
                     my_objlist.remove(count)
                     break
                 count += 1
-                
+
 class OBJECT_OT_UDKObjUpdate(bpy.types.Operator):
     """This will update the filter of the mesh and armature."""
     bl_idname = "object.selobjectpdate"
     bl_label = "Update Object(s)"
-    
+
     actionname = bpy.props.StringProperty()
- 
+
     def execute(self, context):
         udkupdateobjects()
         return{'FINISHED'}
@@ -2439,7 +2438,7 @@ def udkcheckmeshline():
     bpy.ops.object.mode_set(mode='EDIT') #set in edit mode
     bpy.ops.mesh.select_all(action='DESELECT')
     bpy.context.tool_settings.mesh_select_mode = (True, False, False) #select vertices
-        
+
     if objmesh != None:
         print("found mesh")
         print(objmesh)
@@ -2465,7 +2464,7 @@ def udkcheckmeshline():
             norm = FVector(no[0], no[1], no[2])
             tnorm = vect_list[1].sub(vect_list[0]).cross(vect_list[2].sub(vect_list[1]))
             dot = norm.dot(tnorm)
-            
+
             tri = VTriangle()
             if dot > 0:
                 (tri.WedgeIndex2, tri.WedgeIndex1, tri.WedgeIndex0) = wedge_list
@@ -2478,7 +2477,7 @@ def udkcheckmeshline():
                 vertex_list.append(dindex0)
                 vertex_list.append(dindex1)
                 vertex_list.append(dindex2)
-        
+
         bpy.ops.object.mode_set(mode='OBJECT')
         for vertex in objmesh.data.vertices: #loop all vertex in the mesh list
             for vl in vertex_list: #loop for error vertex
@@ -2498,7 +2497,7 @@ class OBJECT_OT_UDKCheckMeshLines(bpy.types.Operator):
     """If the vertices share the same position it will causes an bug."""
     bl_idname = "object.udkcheckmeshline"
     bl_label = "Check Mesh Vertices"
- 
+
     def execute(self, context):
         message = udkcheckmeshline()
         self.report({'ERROR'}, message)
@@ -2511,10 +2510,10 @@ class OBJECT_OT_ActionSetAnimUpdate(bpy.types.Operator):
     bl_label = "Update Action Set(s)"
 
     actionname = bpy.props.StringProperty()
- 
+
     def execute(self, context):
         my_sett = bpy.context.scene.udkas_list
-        
+
         bones = []
         armature = None
         armatures = []
@@ -2525,14 +2524,14 @@ class OBJECT_OT_ActionSetAnimUpdate(bpy.types.Operator):
                 armatures.append(objarm)
                 if objarm.select == True:
                     armatureselected.append(objarm)
-                
+
         if len(armatureselected) == len(armatures) == 1:
             armature = armatures[0]
         if len(armatures) == 1:
             armature = armatures[0]
-        if len(armatureselected) == 1:      
+        if len(armatureselected) == 1:
             armature = armatureselected[0]
-            
+
         if armature != None:
             for bone in armature.pose.bones:
                 bones.append(bone.name)
@@ -2565,7 +2564,7 @@ class OBJECT_OT_ActionSetAnimUpdate(bpy.types.Operator):
                     my_item.bmatch = True
                 else:
                     my_item.bmatch = False
-        removeactions = []  
+        removeactions = []
         #check action list and data actions
         for actionlist in bpy.context.scene.udkas_list:
             bfind = False
@@ -2578,7 +2577,7 @@ class OBJECT_OT_ActionSetAnimUpdate(bpy.types.Operator):
             #print("ACT NAME:",actionlist.name," COUNT",notfound)
             if notfound == len(bpy.data.actions):
                 #print("remove :",actionlist.name)
-                removeactions.append(actionlist.name)   
+                removeactions.append(actionlist.name)
         #print("Not in the action data list:",len(removeactions))
         #remove list or chnages in the name the template list
         for actname in removeactions:
@@ -2589,8 +2588,8 @@ class OBJECT_OT_ActionSetAnimUpdate(bpy.types.Operator):
                     my_sett.remove(actioncount);
                     break
                 actioncount += 1
-        return{'FINISHED'}      
-        
+        return{'FINISHED'}
+
 class ExportUDKAnimData(bpy.types.Operator):
     """Export Skeleton Mesh / Animation Data file(s). """ \
     """One mesh and one armature else select one mesh or armature to be exported"""
@@ -2614,7 +2613,7 @@ class ExportUDKAnimData(bpy.types.Operator):
     udk_option_export = bpy.types.Scene.udk_option_export
     udk_option_scale = bpy.types.Scene.udk_option_scale
     udk_option_rebuildobjects = bpy.types.Scene.udk_option_rebuildobjects
-    
+
     @classmethod
     def poll(cls, context):
         return context.active_object != None
@@ -2625,12 +2624,12 @@ class ExportUDKAnimData(bpy.types.Operator):
         scene.udk_option_export_psa = (scene.udk_option_export == '1' or scene.udk_option_export == '2')
         bpy.context.scene.udk_option_scale = self.udk_option_scale
         bpy.context.scene.udk_option_rebuildobjects = self.udk_option_rebuildobjects
-            
+
         filepath = get_dst_path()
-        
+
         # cache settings
         restore_frame = scene.frame_current
-        
+
         message = "Finish Export!"
         try:
             export(filepath)
@@ -2638,18 +2637,18 @@ class ExportUDKAnimData(bpy.types.Operator):
         except Error as err:
             print(err.message)
             message = err.message
-        
+
         # restore settings
         scene.frame_set(restore_frame)
-        
+
         self.report({'WARNING', 'INFO'}, message)
         return {'FINISHED'}
-        
+
     def invoke(self, context, event):
         wm = context.window_manager
         wm.fileselect_add(self)
         return {'RUNNING_MODAL'}
-        
+
 def menu_func(self, context):
     default_path = os.path.splitext(bpy.data.filepath)[0] + ".psk"
     self.layout.operator(ExportUDKAnimData.bl_idname, text="Skeleton Mesh / Animation Data (.psk/.psa)").filepath = default_path
@@ -2661,17 +2660,17 @@ def register():
     #print("REGISTER")
     bpy.utils.register_module(__name__)
     bpy.types.INFO_MT_file_export.append(menu_func)
-    
+
 def unregister():
     #print("UNREGISTER")
     bpy.utils.unregister_module(__name__)
     bpy.types.INFO_MT_file_export.remove(menu_func)
-        
+
 if __name__ == "__main__":
     #print("\n"*4)
     print(header("UDK Export PSK/PSA 2.6", 'CENTER'))
     register()
-    
+
 #loader
 #filename = "D:/Projects/BlenderScripts/io_export_udk_psa_psk_alpha.py"
 #exec(compile(open(filename).read(), filename, 'exec'))
diff --git a/io_import_gimp_image_to_scene.py b/io_import_gimp_image_to_scene.py
index 71e8d3ed4640a641349cbb9bf9bd785c4f8fc8de..971770a57adc62eb75f1adb24565e63f604034dc 100644
--- a/io_import_gimp_image_to_scene.py
+++ b/io_import_gimp_image_to_scene.py
@@ -26,8 +26,7 @@ bl_info = {
     "warning": "XCF import requires xcftools installed",
     "wiki_url": "http://wiki.blender.org/index.php/Extensions:2.6/Py/"
                 "Scripts/Import-Export/GIMPImageToScene",
-    "tracker_url": "http://projects.blender.org/tracker/index.php?"
-                   "func=detail&aid=25136",
+    "tracker_url": "https://developer.blender.org/T25136",
     "category": "Import-Export"}
 
 """
diff --git a/io_import_images_as_planes.py b/io_import_images_as_planes.py
index 860ae00e552797964623d9f6f00cf42fc1469820..b3dcb65af25a640bb16d420527704afff0d79338 100644
--- a/io_import_images_as_planes.py
+++ b/io_import_images_as_planes.py
@@ -26,7 +26,7 @@ bl_info = {
                    "The images are mapped to the planes.",
     "warning": "",
     "wiki_url": "http://wiki.blender.org/index.php/Extensions:2.6/Py/Scripts/Add_Mesh/Planes_from_Images",
-    "tracker_url": "https://projects.blender.org/tracker/index.php?func=detail&aid=21751",
+    "tracker_url": "https://developer.blender.org/T21751",
     "category": "Import-Export"}
 
 import bpy
diff --git a/io_import_scene_dxf.py b/io_import_scene_dxf.py
index f45d964d3789d3a121fa1a53ac406ee4f395215a..432e9cda064a0f7be2204ca2e818548bb268f640 100644
--- a/io_import_scene_dxf.py
+++ b/io_import_scene_dxf.py
@@ -26,8 +26,7 @@ bl_info = {
     "warning": "Under construction! Visit Wiki for details.",
     "wiki_url": "http://wiki.blender.org/index.php/Extensions:2.6/Py/"
                 "Scripts/Import-Export/DXF_Importer",
-    "tracker_url": "https://projects.blender.org/tracker/index.php?"
-                   "func=detail&aid=23480",
+    "tracker_url": "https://developer.blender.org/T23480",
     "support": "OFFICIAL",
     "category": "Import-Export",
     }
diff --git a/io_import_scene_lwo.py b/io_import_scene_lwo.py
index e711718d7a77428f30a80cabc63238952e503ee3..b01763f328c3b629abc7591b2cfb9613a0c91f45 100644
--- a/io_import_scene_lwo.py
+++ b/io_import_scene_lwo.py
@@ -22,13 +22,12 @@ bl_info= {
     "version": (1, 2),
     "blender": (2, 57, 0),
     "location": "File > Import > LightWave Object (.lwo)",
-    "description": "Imports a LWO file including any UV, Morph and Color maps. "\
+    "description": "Imports a LWO file including any UV, Morph and Color maps. "
         "Can convert Skelegons to an Armature.",
     "warning": "",
-    "wiki_url": "http://wiki.blender.org/index.php/Extensions:2.6/Py/"\
+    "wiki_url": "http://wiki.blender.org/index.php/Extensions:2.6/Py/"
         "Scripts/Import-Export/LightWave_Object",
-    "tracker_url": "https://projects.blender.org/tracker/index.php?"\
-        "func=detail&aid=23623",
+    "tracker_url": "https://developer.blender.org/T23623",
     "category": "Import-Export"}
 
 # Copyright (c) Ken Nign 2010
@@ -621,22 +620,22 @@ def read_weight_vmad(ew_bytes, object_layers):
         offset+= pol_id_len
         weight,= struct.unpack(">f", ew_bytes[offset:offset+4])
         offset+= 4
-        
+
         face_pnts= object_layers[-1].pols[pol_id]
         try:
             # Find the point's location in the polygon's point list
             first_idx= face_pnts.index(pnt_id)
         except:
             continue
-        
+
         # Then get the next point in the list, or wrap around to the first
         if first_idx == len(face_pnts) - 1:
             second_pnt= face_pnts[0]
         else:
             second_pnt= face_pnts[first_idx + 1]
-        
+
         object_layers[-1].edge_weights["{0} {1}".format(second_pnt, pnt_id)]= weight
-        
+
 
 def read_pols(pol_bytes, object_layers):
     """Read the layer's polygons, each one is just a list of point indexes."""
diff --git a/io_import_scene_mhx.py b/io_import_scene_mhx.py
index bfb689562738e3999018af72ef76f1b6fbef7687..0aa99f5641528c7cb95991603443eeeaf76cbbf6 100644
--- a/io_import_scene_mhx.py
+++ b/io_import_scene_mhx.py
@@ -44,8 +44,7 @@ bl_info = {
     'description': 'Import files in the MakeHuman eXchange format (.mhx)',
     'warning': '',
     'wiki_url': 'http://www.makehuman.org/documentation',
-    'tracker_url': 'https://projects.blender.org/tracker/index.php?'\
-        'func=detail&aid=21872',
+    'tracker_url': 'https://developer.blender.org/T21872',
     'category': 'Import-Export'}
 
 MAJOR_VERSION = 1
diff --git a/io_import_scene_unreal_psa_psk.py b/io_import_scene_unreal_psa_psk.py
index 64f0e6d0dc5f799faf24a192f40e92ca0c841311..ec4bc27a6787f03d8f5b7dda656321bcb181ea7a 100644
--- a/io_import_scene_unreal_psa_psk.py
+++ b/io_import_scene_unreal_psa_psk.py
@@ -26,8 +26,7 @@ bl_info = {
     "warning": "",
     "wiki_url": "http://wiki.blender.org/index.php/Extensions:2.5/Py/"
         "Scripts/Import-Export/Unreal_psk_psa",
-    "tracker_url": "https://projects.blender.org/tracker/index.php?"\
-        "func=detail&aid=21366",
+    "tracker_url": "https://developer.blender.org/T21366",
     "category": "Import-Export"}
 
 """
diff --git a/io_mesh_pdb/__init__.py b/io_mesh_pdb/__init__.py
index 1d2a7cecc24399f01e33c26082a75d2ee0396af3..a3d31fb51d9573062114b5a68cb7fabca2b1a3c7 100644
--- a/io_mesh_pdb/__init__.py
+++ b/io_mesh_pdb/__init__.py
@@ -26,9 +26,9 @@
 #  First publication in Blender  : 2011-11-11
 #  Last modified                 : 2013-04-04
 #
-#  Acknowledgements 
+#  Acknowledgements
 #  ================
-#  Blender: ideasman, meta_androcto, truman, kilon, CoDEmanX, dairin0d, PKHG, 
+#  Blender: ideasman, meta_androcto, truman, kilon, CoDEmanX, dairin0d, PKHG,
 #           Valter, ...
 #  Other  : Frank Palmino
 #
@@ -44,12 +44,11 @@ bl_info = {
     "blender": (2, 60, 0),
     "location": "File -> Import -> PDB (.pdb)",
     "warning": "",
-    "wiki_url": "http://wiki.blender.org/index.php/Extensions:2.6/"
-                "Py/Scripts/Import-Export/PDB",
-    "tracker_url": "http://projects.blender.org/tracker/"
-                   "index.php?func=detail&aid=29226",
-    "category": "Import-Export"
-}
+    "wiki_url": "http://wiki.blender.org/index.php/Extensions:2.6/Py/"
+        "Scripts/Import-Export/PDB",
+    "tracker_url": "https://developer.blender.org/T29226",
+    "category": "Import-Export"}
+
 
 import bpy
 from bpy.types import Operator
@@ -77,7 +76,7 @@ class ImportPDB(Operator, ImportHelper):
 
     use_center = BoolProperty(
         name = "Object to origin", default=True,
-        description = "Put the object into the global origin")  
+        description = "Put the object into the global origin")
     use_camera = BoolProperty(
         name="Camera", default=False,
         description="Do you need a camera?")
@@ -90,7 +89,7 @@ class ImportPDB(Operator, ImportHelper):
         items=(('0', "NURBS", "NURBS balls"),
                ('1', "Mesh" , "Mesh balls"),
                ('2', "Meta" , "Metaballs")),
-               default='0',) 
+               default='0',)
     mesh_azimuth = IntProperty(
         name = "Azimuth", default=32, min=1,
         description = "Number of sectors (azimuth)")
@@ -109,23 +108,23 @@ class ImportPDB(Operator, ImportHelper):
         items=(('0', "Pre-defined", "Use pre-defined radius"),
                ('1', "Atomic", "Use atomic radius"),
                ('2', "van der Waals", "Use van der Waals radius")),
-               default='0',)        
+               default='0',)
     use_sticks = BoolProperty(
         name="Use sticks", default=True,
-        description="Do you want to display the sticks?")     
+        description="Do you want to display the sticks?")
     use_sticks_type = EnumProperty(
         name="Type",
         description="Choose type of stick",
         items=(('0', "Dupliverts", "Use dupliverts structures"),
                ('1', "Skin", "Use skin and subdivision modifier"),
                ('2', "Normal", "Use simple cylinders")),
-               default='0',)   
+               default='0',)
     sticks_subdiv_view  = IntProperty(
         name = "SubDivV", default=2, min=1,
-        description="Number of subdivisions (view)")        
+        description="Number of subdivisions (view)")
     sticks_subdiv_render  = IntProperty(
         name = "SubDivR", default=2, min=1,
-        description="Number of subdivisions (render)")           
+        description="Number of subdivisions (render)")
     sticks_sectors = IntProperty(
         name = "Sector", default=20, min=1,
         description="Number of sectors of a stick")
@@ -134,25 +133,25 @@ class ImportPDB(Operator, ImportHelper):
         description ="Radius of a stick")
     sticks_unit_length = FloatProperty(
         name = "Unit", default=0.05, min=0.0001,
-        description = "Length of the unit of a stick in Angstrom")        
+        description = "Length of the unit of a stick in Angstrom")
     use_sticks_color = BoolProperty(
         name="Color", default=True,
         description="The sticks appear in the color of the atoms")
     use_sticks_smooth = BoolProperty(
         name="Smooth", default=True,
-        description="The sticks are round (sectors are not visible)")     
+        description="The sticks are round (sectors are not visible)")
     use_sticks_bonds = BoolProperty(
         name="Bonds", default=False,
         description="Show double and tripple bonds.")
     sticks_dist = FloatProperty(
         name="", default = 1.1, min=1.0, max=3.0,
-        description="Distance between sticks measured in stick diameter")         
+        description="Distance between sticks measured in stick diameter")
     use_sticks_one_object = BoolProperty(
         name="One object", default=True,
-        description="All sticks are one object.")     
+        description="All sticks are one object.")
     use_sticks_one_object_nr = IntProperty(
         name = "No.", default=200, min=10,
-        description="Number of sticks to be grouped at once")                 
+        description="Number of sticks to be grouped at once")
     datafile = StringProperty(
         name = "", description="Path to your custom data file",
         maxlen = 256, default = "", subtype='FILE_PATH')
@@ -163,17 +162,17 @@ class ImportPDB(Operator, ImportHelper):
         row.prop(self, "use_camera")
         row.prop(self, "use_lamp")
         row = layout.row()
-        row.prop(self, "use_center")     
+        row.prop(self, "use_center")
         # Balls
-        box = layout.box()   
-        row = box.row() 
-        row.label(text="Balls / atoms")        
+        box = layout.box()
+        row = box.row()
+        row.label(text="Balls / atoms")
         row = box.row()
         col = row.column()
         col.prop(self, "ball")
         row = box.row()
         row.active = (self.ball == "1")
-        col = row.column(align=True)             
+        col = row.column(align=True)
         col.prop(self, "mesh_azimuth")
         col.prop(self, "mesh_zenith")
         row = box.row()
@@ -184,55 +183,55 @@ class ImportPDB(Operator, ImportHelper):
         col.prop(self, "scale_distances")
         row = box.row()
         row.prop(self, "atomradius")
-        # Sticks     
-        box = layout.box()    
-        row = box.row() 
+        # Sticks
+        box = layout.box()
+        row = box.row()
         row.label(text="Sticks / bonds")
-        row = box.row()  
+        row = box.row()
         row.prop(self, "use_sticks")
         row = box.row()
-        row.active = self.use_sticks                
+        row.active = self.use_sticks
         row.prop(self, "use_sticks_type")
-        row = box.row()        
+        row = box.row()
         row.active = self.use_sticks
         col = row.column()
-        if self.use_sticks_type == '0' or self.use_sticks_type == '2': 
+        if self.use_sticks_type == '0' or self.use_sticks_type == '2':
             col.prop(self, "sticks_sectors")
         col.prop(self, "sticks_radius")
-        if self.use_sticks_type == '1': 
-            row = box.row()        
+        if self.use_sticks_type == '1':
+            row = box.row()
             row.active = self.use_sticks
             row.prop(self, "sticks_subdiv_view")
             row.prop(self, "sticks_subdiv_render")
-            row = box.row()        
-            row.active = self.use_sticks            
-        if self.use_sticks_type == '0': 
+            row = box.row()
+            row.active = self.use_sticks
+        if self.use_sticks_type == '0':
             col.prop(self, "sticks_unit_length")
-        col = row.column(align=True)    
-        if self.use_sticks_type == '0': 
-            col.prop(self, "use_sticks_color")        
+        col = row.column(align=True)
+        if self.use_sticks_type == '0':
+            col.prop(self, "use_sticks_color")
         col.prop(self, "use_sticks_smooth")
         if self.use_sticks_type == '0' or self.use_sticks_type == '2':
             col.prop(self, "use_sticks_bonds")
-        row = box.row()        
-        if self.use_sticks_type == '0': 
+        row = box.row()
+        if self.use_sticks_type == '0':
             row.active = self.use_sticks and self.use_sticks_bonds
             row.label(text="Distance")
             row.prop(self, "sticks_dist")
         if self.use_sticks_type == '2':
-            row.active = self.use_sticks      
-            col = row.column()    
+            row.active = self.use_sticks
+            col = row.column()
             col.prop(self, "use_sticks_one_object")
             col = row.column()
             col.active = self.use_sticks_one_object
             col.prop(self, "use_sticks_one_object_nr")
-            
-            
+
+
     def execute(self, context):
         # This is in order to solve this strange 'relative path' thing.
         filepath_pdb = bpy.path.abspath(self.filepath)
 
-        # Execute main routine                
+        # Execute main routine
         import_pdb.import_pdb(
                       self.ball,
                       self.mesh_azimuth,
@@ -256,7 +255,7 @@ class ImportPDB(Operator, ImportHelper):
                       self.use_center,
                       self.use_camera,
                       self.use_lamp,
-                      filepath_pdb)        
+                      filepath_pdb)
 
         return {'FINISHED'}
 
@@ -276,7 +275,7 @@ class ExportPDB(Operator, ExportHelper):
         items=(('0', "All", "Export all active objects"),
                ('1', "Elements", "Export only those active objects which have"
                                  " a proper element name")),
-               default='1',) 
+               default='1',)
 
     def draw(self, context):
         layout = self.layout
@@ -302,7 +301,7 @@ def register():
     bpy.utils.register_module(__name__)
     bpy.types.INFO_MT_file_import.append(menu_func_import)
     bpy.types.INFO_MT_file_export.append(menu_func_export)
-    
+
 def unregister():
     bpy.utils.unregister_module(__name__)
     bpy.types.INFO_MT_file_import.remove(menu_func_import)
diff --git a/io_mesh_raw/__init__.py b/io_mesh_raw/__init__.py
index 3e8c7123c74c7cb8be30d14e6246a54de88351bb..a3f087ef41e3c0a91be4149920ce4fe2594d54e4 100644
--- a/io_mesh_raw/__init__.py
+++ b/io_mesh_raw/__init__.py
@@ -28,9 +28,8 @@ bl_info = {
     "description": "Import-Export Raw Faces",
     "warning": "",
     "wiki_url": "http://wiki.blender.org/index.php/Extensions:2.6/Py/"
-                "Scripts/Import-Export/Raw_Mesh_IO",
-    "tracker_url": "https://projects.blender.org/tracker/index.php?"
-                   "func=detail&aid=25692",
+        "Scripts/Import-Export/Raw_Mesh_IO",
+    "tracker_url": "https://developer.blender.org/T25692",
     "category": "Import-Export"}
 
 if "bpy" in locals():
diff --git a/io_mesh_stl/__init__.py b/io_mesh_stl/__init__.py
index 5260b5c0c08a63600c2213b740abae86b643d6ae..4074aec5ab5ae89d2ebe7a199ffa89881b0fa79a 100644
--- a/io_mesh_stl/__init__.py
+++ b/io_mesh_stl/__init__.py
@@ -27,12 +27,12 @@ bl_info = {
     "description": "Import-Export STL files",
     "warning": "",
     "wiki_url": "http://wiki.blender.org/index.php/Extensions:2.6/Py/"
-                "Scripts/Import-Export/STL",
-    "tracker_url": "https://projects.blender.org/tracker/index.php?"
-                   "func=detail&aid=22837",
+        "Scripts/Import-Export/STL",
+    "tracker_url": "https://developer.blender.org/T22837",
     "support": 'OFFICIAL',
     "category": "Import-Export"}
 
+
 # @todo write the wiki page
 
 """
diff --git a/io_mesh_uv_layout/__init__.py b/io_mesh_uv_layout/__init__.py
index d467dcf543e10d0fe4322371d23aee0d2757396b..9131654bee5ce74f583ed09f90aaf0e117063ee8 100644
--- a/io_mesh_uv_layout/__init__.py
+++ b/io_mesh_uv_layout/__init__.py
@@ -27,12 +27,12 @@ bl_info = {
     "description": "Export the UV layout as a 2D graphic",
     "warning": "",
     "wiki_url": "http://wiki.blender.org/index.php/Extensions:2.6/Py/"
-                "Scripts/Import-Export/UV_Layout",
-    "tracker_url": "https://projects.blender.org/tracker/index.php?"
-                   "func=detail&aid=22837",
+        "Scripts/Import-Export/UV_Layout",
+    "tracker_url": "https://developer.blender.org/T22837",
     "support": 'OFFICIAL',
     "category": "Import-Export"}
 
+
 # @todo write the wiki page
 
 if "bpy" in locals():
diff --git a/io_scene_ms3d/__init__.py b/io_scene_ms3d/__init__.py
index fbb31626e6154133da40115673ac1b5747be1b09..c1b543592b26e1fc7e2954b6f69b6d7422a24a23 100644
--- a/io_scene_ms3d/__init__.py
+++ b/io_scene_ms3d/__init__.py
@@ -20,19 +20,18 @@
 
 bl_info = {
     'name': "MilkShape3D MS3D format (.ms3d)",
-    'description': "Import / Export MilkShape3D MS3D files"\
-            " (conform with MilkShape3D v1.8.4)",
+    'description': "Import / Export MilkShape3D MS3D files "
+        "(conform with MilkShape3D v1.8.4)",
     'author': "Alexander Nussbaumer",
     'version': (1, 0, 0),
     'blender': (2, 69, 2),
     'location': "File > Import & File > Export",
     'warning': "",
-    'wiki_url': "http://wiki.blender.org/index.php/Extensions:2.6/Py/"\
+    'wiki_url': "http://wiki.blender.org/index.php/Extensions:2.6/Py/"
             "Scripts/Import-Export/MilkShape3D_MS3D",
-    'tracker_url': "http://projects.blender.org/tracker/index.php"\
-            "?func=detail&aid=34084",
-    'category': "Import-Export",
-    }
+    'tracker_url': "https://developer.blender.org/T34084",
+    'category': "Import-Export"}
+
 
 ###############################################################################
 #234567890123456789012345678901234567890123456789012345678901234567890123456789
diff --git a/io_scene_x/__init__.py b/io_scene_x/__init__.py
index 61f8d5f77092adeb04442ab4550e358f6368194b..d320927c85a020614ac953a6924b454ba0629e50 100644
--- a/io_scene_x/__init__.py
+++ b/io_scene_x/__init__.py
@@ -24,14 +24,14 @@ bl_info = {
     "version": (3, 1, 0),
     "blender": (2, 69, 0),
     "location": "File > Export > DirectX (.x)",
-    "description": "Export mesh vertices, UV's, materials, textures, "\
+    "description": "Export mesh vertices, UV's, materials, textures, "
         "vertex colors, armatures, empties, and actions.",
-    "wiki_url": "http://wiki.blender.org/index.php/Extensions:2.6/Py/"\
+    "wiki_url": "http://wiki.blender.org/index.php/Extensions:2.6/Py/"
         "Scripts/Import-Export/DirectX_Exporter",
-    "tracker_url": "https://projects.blender.org/tracker/index.php?"\
-        "func=detail&aid=22795",
+    "tracker_url": "https://developer.blender.org/T22795",
     "category": "Import-Export"}
 
+
 import bpy
 from bpy.props import BoolProperty
 from bpy.props import EnumProperty
@@ -45,43 +45,43 @@ class ExportDirectX(bpy.types.Operator):
     bl_label = "Export DirectX"
 
     filepath = StringProperty(subtype='FILE_PATH')
-    
+
     # Export options
 
     SelectedOnly = BoolProperty(
         name="Export Selected Objects Only",
         description="Export only selected objects",
         default=True)
-        
+
     CoordinateSystem = EnumProperty(
         name="Coordinate System",
         description="Use the selected coordinate system for export",
         items=(('LEFT_HANDED', "Left-Handed", "Use a Y up, Z forward system or a Z up, -Y forward system"),
                ('RIGHT_HANDED', "Right-Handed", "Use a Y up, -Z forward system or a Z up, Y forward system")),
         default='LEFT_HANDED')
-        
+
     UpAxis = EnumProperty(
         name="Up Axis",
         description="The selected axis points upward",
         items=(('Y', "Y", "The Y axis points up"),
                ('Z', "Z", "The Z axis points up")),
         default='Y')
-        
+
     ExportMeshes = BoolProperty(
         name="Export Meshes",
         description="Export mesh objects",
         default=True)
-        
+
     ExportNormals = BoolProperty(
         name="    Export Normals",
         description="Export mesh normals",
         default=True)
-    
+
     FlipNormals = BoolProperty(
         name="        Flip Normals",
         description="Flip mesh normals before export",
         default=False)
-    
+
     ExportUVCoordinates = BoolProperty(
         name="    Export UV Coordinates",
         description="Export mesh UV coordinates, if any",
@@ -91,33 +91,33 @@ class ExportDirectX(bpy.types.Operator):
         name="    Export Materials",
         description="Export material properties and reference image textures",
         default=True)
-    
+
     ExportActiveImageMaterials = BoolProperty(
         name="        Reference Active Images as Textures",
         description="Reference the active image of each face as a texture, "\
             "as opposed to the image assigned to the material",
         default=False)
-    
+
     ExportVertexColors = BoolProperty(
         name="    Export Vertex Colors",
         description="Export mesh vertex colors, if any",
         default=False)
-    
+
     ExportSkinWeights = BoolProperty(
         name="    Export Skin Weights",
         description="Bind mesh vertices to armature bones",
         default=False)
-    
+
     ApplyModifiers = BoolProperty(
         name="    Apply Modifiers",
         description="Apply the effects of object modifiers before export",
         default=False)
-    
+
     ExportArmatureBones = BoolProperty(
         name="Export Armature Bones",
         description="Export armatures bones",
         default=False)
-    
+
     ExportRestBone = BoolProperty(
         name="    Export Rest Position",
         description="Export bones in their rest position (recommended for "\
@@ -135,14 +135,14 @@ class ExportDirectX(bpy.types.Operator):
         description="Include the AnimTicksPerSecond template which is "\
             "used by some engines to control animation speed",
         default=False)
-    
+
     ExportActionsAsSets = BoolProperty(
         name="    Export Actions as AnimationSets",
         description="Export each action of each object as a separate "\
             "AnimationSet. Otherwise all current actions are lumped "\
             "together into a single set",
         default=False)
-    
+
     AttachToFirstArmature = BoolProperty(
         name="        Attach Unused Actions to First Armature",
         description="Export each unused action as if used by the first "\
diff --git a/light_field_tools/__init__.py b/light_field_tools/__init__.py
index 08ff8c37996187b5db609543bc7285fae2de57f8..2bb769c04cf6e357cc28e63d7de922aeeefc22d2 100644
--- a/light_field_tools/__init__.py
+++ b/light_field_tools/__init__.py
@@ -25,8 +25,9 @@ bl_info = {
     "blender": (2, 64, 0),
     "location": "View3D > Tool Shelf > Light Field Tools",
     "url": "http://www.jku.at/cg/",
-    "wiki_url": "http://wiki.blender.org/index.php/Extensions:2.6/Py/Scripts/Render/Light_Field_Tools",
-    "tracker_url": "http://projects.blender.org/tracker/index.php?func=detail&aid=25719",
+    "wiki_url": "http://wiki.blender.org/index.php/Extensions:2.6/Py/"
+        "Scripts/Render/Light_Field_Tools",
+    "tracker_url": "https://developer.blender.org/T25719",
     "category": "Render"
 }
 
diff --git a/mesh_bsurfaces.py b/mesh_bsurfaces.py
index 983e426bc8d4d866415462b5af1a61e1b292a123..f3c1a0c30691290672dea12e40a49bd55db3e3cd 100644
--- a/mesh_bsurfaces.py
+++ b/mesh_bsurfaces.py
@@ -20,16 +20,14 @@
 bl_info = {
     "name": "Bsurfaces GPL Edition",
     "author": "Eclectiel",
-    "version": (1,5),
+    "version": (1, 5),
     "blender": (2, 63, 0),
-    "api": 45996,
     "location": "View3D > EditMode > ToolShelf",
     "description": "Modeling and retopology tool.",
     "wiki_url": "http://wiki.blender.org/index.php/Dev:Ref/Release_Notes/2.64/Bsurfaces_1.5",
-    "tracker_url": "http://projects.blender.org/tracker/index.php?"\
-        "func=detail&aid=26642",
+    "tracker_url": "https://developer.blender.org/T26642",
     "category": "Mesh"}
-        
+
 
 import bpy
 import bmesh
@@ -48,18 +46,18 @@ class VIEW3D_PT_tools_SURFSK_mesh(bpy.types.Panel):
     bl_category = 'Tools'
     bl_context = "mesh_edit"
     bl_label = "Bsurfaces"
-    
+
     @classmethod
     def poll(cls, context):
         return context.active_object
-    
-    
+
+
     def draw(self, context):
         layout = self.layout
-        
+
         scn = context.scene
         ob = context.object
-        
+
         col = layout.column(align=True)
         row = layout.row()
         row.separator()
@@ -70,33 +68,33 @@ class VIEW3D_PT_tools_SURFSK_mesh(bpy.types.Panel):
         col.prop(scn, "SURFSK_loops_on_strokes")
         col.prop(scn, "SURFSK_automatic_join")
         col.prop(scn, "SURFSK_keep_strokes")
-        
-        
-        
+
+
+
 class VIEW3D_PT_tools_SURFSK_curve(bpy.types.Panel):
     bl_space_type = 'VIEW_3D'
     bl_region_type = 'TOOLS'
     bl_context = "curve_edit"
     bl_label = "Bsurfaces"
-    
+
     @classmethod
     def poll(cls, context):
         return context.active_object
-    
-    
+
+
     def draw(self, context):
         layout = self.layout
-        
+
         scn = context.scene
         ob = context.object
-        
+
         col = layout.column(align=True)
         row = layout.row()
         row.separator()
         col.operator("curve.surfsk_first_points", text="Set First Points")
         col.operator("curve.switch_direction", text="Switch Direction")
         col.operator("curve.surfsk_reorder_splines", text="Reorder Splines")
-        
+
 
 
 
@@ -104,18 +102,18 @@ class VIEW3D_PT_tools_SURFSK_curve(bpy.types.Panel):
 def get_strokes_type(main_object):
     strokes_type = ""
     strokes_num = 0
-    
+
     # Check if they are grease pencil
     try:
         #### Get the active grease pencil layer.
         strokes_num = len(main_object.grease_pencil.layers.active.active_frame.strokes)
-        
+
         if strokes_num > 0:
             strokes_type = "GP_STROKES"
     except:
         pass
-    
-    
+
+
     # Check if they are curves, if there aren't grease pencil strokes.
     if strokes_type == "":
         if len(bpy.context.selected_objects) == 2:
@@ -123,35 +121,35 @@ def get_strokes_type(main_object):
                 if ob != bpy.context.scene.objects.active and ob.type == "CURVE":
                     strokes_type = "EXTERNAL_CURVE"
                     strokes_num = len(ob.data.splines)
-                    
+
                     # Check if there is any non-bezier spline.
                     for i in range(len(ob.data.splines)):
                         if ob.data.splines[i].type != "BEZIER":
                             strokes_type = "CURVE_WITH_NON_BEZIER_SPLINES"
                             break
-                            
+
                 elif ob != bpy.context.scene.objects.active and ob.type != "CURVE":
                     strokes_type = "EXTERNAL_NO_CURVE"
         elif len(bpy.context.selected_objects) > 2:
             strokes_type = "MORE_THAN_ONE_EXTERNAL"
-    
-    
+
+
     # Check if there is a single stroke without any selection in the object.
     if strokes_num == 1 and main_object.data.total_vert_sel == 0:
         if strokes_type == "EXTERNAL_CURVE":
             strokes_type = "SINGLE_CURVE_STROKE_NO_SELECTION"
         elif strokes_type == "GP_STROKES":
             strokes_type = "SINGLE_GP_STROKE_NO_SELECTION"
-        
+
     if strokes_num == 0 and main_object.data.total_vert_sel > 0:
         strokes_type = "SELECTION_ALONE"
-        
-        
+
+
     if strokes_type == "":
         strokes_type = "NO_STROKES"
-    
-    
-    
+
+
+
     return strokes_type
 
 
@@ -163,96 +161,96 @@ class GPENCIL_OT_SURFSK_add_surface(bpy.types.Operator):
     bl_label = "Bsurfaces add surface"
     bl_description = "Generates surfaces from grease pencil strokes, bezier curves or loose edges."
     bl_options = {'REGISTER', 'UNDO'}
-    
-    
+
+
     edges_U = bpy.props.IntProperty(name = "Cross",
                         description = "Number of face-loops crossing the strokes.",
                         default = 1,
                         min = 1,
                         max = 200)
-                        
+
     edges_V = bpy.props.IntProperty(name = "Follow",
                         description = "Number of face-loops following the strokes.",
                         default = 1,
                         min = 1,
                         max = 200)
-    
+
     cyclic_cross = bpy.props.BoolProperty(name = "Cyclic Cross",
                         description = "Make cyclic the face-loops crossing the strokes.",
                         default = False)
-                        
+
     cyclic_follow = bpy.props.BoolProperty(name = "Cyclic Follow",
                         description = "Make cyclic the face-loops following the strokes.",
                         default = False)
-                        
+
     loops_on_strokes = bpy.props.BoolProperty(name = "Loops on strokes",
                         description = "Make the loops match the paths of the strokes.",
                         default = False)
-    
+
     automatic_join = bpy.props.BoolProperty(name = "Automatic join",
                         description = "Join automatically vertices of either surfaces generated by crosshatching, or from the borders of closed shapes.",
                         default = False)
-                        
+
     join_stretch_factor = bpy.props.FloatProperty(name = "Stretch",
                         description = "Amount of stretching or shrinking allowed for edges when joining vertices automatically.",
                         default = 1,
                         min = 0,
                         max = 3,
                         subtype = 'FACTOR')
-    
-    
-    
-    
+
+
+
+
     def draw(self, context):
         layout = self.layout
-        
+
         scn = context.scene
         ob = context.object
-        
+
         col = layout.column(align=True)
         row = layout.row()
-        
+
         if not self.is_fill_faces:
             row.separator()
             if not self.is_crosshatch:
                 if not self.selection_U_exists:
                     col.prop(self, "edges_U")
                     row.separator()
-                    
+
                 if not self.selection_V_exists:
                     col.prop(self, "edges_V")
                     row.separator()
-                
+
                 row.separator()
-                
+
                 if not self.selection_U_exists:
                     if not ((self.selection_V_exists and not self.selection_V_is_closed) or (self.selection_V2_exists and not self.selection_V2_is_closed)):
                         col.prop(self, "cyclic_cross")
-                    
+
                 if not self.selection_V_exists:
                     if not ((self.selection_U_exists and not self.selection_U_is_closed) or (self.selection_U2_exists and not self.selection_U2_is_closed)):
                         col.prop(self, "cyclic_follow")
-                
-                
+
+
                 col.prop(self, "loops_on_strokes")
-            
-            col.prop(self, "automatic_join")    
-                
+
+            col.prop(self, "automatic_join")
+
             if self.automatic_join:
                 row.separator()
                 col.separator()
                 row.separator()
                 col.prop(self, "join_stretch_factor")
-            
-    
-    
+
+
+
     #### Get an ordered list of a chain of vertices.
     def get_ordered_verts(self, ob, all_selected_edges_idx, all_selected_verts_idx, first_vert_idx, middle_vertex_idx, closing_vert_idx):
         # Order selected vertices.
         verts_ordered = []
         if closing_vert_idx != None:
             verts_ordered.append(ob.data.vertices[closing_vert_idx])
-            
+
         verts_ordered.append(ob.data.vertices[first_vert_idx])
         prev_v = first_vert_idx
         prev_ed = None
@@ -270,27 +268,27 @@ class GPENCIL_OT_SURFSK_add_surface(bpy.types.Operator):
                     prev_ed = ob.data.edges[i]
                 else:
                     edges_non_matched += 1
-                    
+
                     if edges_non_matched == len(all_selected_edges_idx):
                         finish_while = True
-                    
+
             if finish_while:
                 break
-        
+
         if closing_vert_idx != None:
             verts_ordered.append(ob.data.vertices[closing_vert_idx])
-        
+
         if middle_vertex_idx != None:
             verts_ordered.append(ob.data.vertices[middle_vertex_idx])
             verts_ordered.reverse()
-        
+
         return tuple(verts_ordered)
-    
-    
+
+
     #### Calculates length of a chain of points.
     def get_chain_length(self, object, verts_ordered):
         matrix = object.matrix_world
-        
+
         edges_lengths = []
         edges_lengths_sum = 0
         for i in range(0, len(verts_ordered)):
@@ -298,18 +296,18 @@ class GPENCIL_OT_SURFSK_add_surface(bpy.types.Operator):
                 prev_v_co = matrix * verts_ordered[i].co
             else:
                 v_co = matrix * verts_ordered[i].co
-                
+
                 v_difs = [prev_v_co[0] - v_co[0], prev_v_co[1] - v_co[1], prev_v_co[2] - v_co[2]]
                 edge_length = abs(sqrt(v_difs[0] * v_difs[0] + v_difs[1] * v_difs[1] + v_difs[2] * v_difs[2]))
-                
+
                 edges_lengths.append(edge_length)
                 edges_lengths_sum += edge_length
-                
+
                 prev_v_co = v_co
-        
+
         return edges_lengths, edges_lengths_sum
-    
-    
+
+
     #### Calculates the proportion of the edges of a chain of edges, relative to the full chain length.
     def get_edges_proportions(self, edges_lengths, edges_lengths_sum, use_boundaries, fixed_edges_num):
         edges_proportions = []
@@ -323,43 +321,43 @@ class GPENCIL_OT_SURFSK_add_surface(bpy.types.Operator):
             for n in range(0, fixed_edges_num):
                 edges_proportions.append(1 / fixed_edges_num)
                 verts_count += 1
-        
+
         return edges_proportions
-    
-    
+
+
     #### Calculates the angle between two pairs of points in space.
     def orientation_difference(self, points_A_co, points_B_co): # each parameter should be a list with two elements, and each element should be a x,y,z coordinate.
         vec_A = points_A_co[0] - points_A_co[1]
         vec_B = points_B_co[0] - points_B_co[1]
-        
+
         angle = vec_A.angle(vec_B)
-        
+
         if angle > 0.5 * math.pi:
             angle = abs(angle - math.pi)
-        
+
         return angle
-    
-    
-        
+
+
+
     #### Calculate the which vert of verts_idx list is the nearest one to the point_co coordinates, and the distance.
     def shortest_distance(self, object, point_co, verts_idx):
         matrix = object.matrix_world
-        
+
         for i in range(0, len(verts_idx)):
             dist = (point_co - matrix * object.data.vertices[verts_idx[i]].co).length
             if i == 0:
                 prev_dist = dist
                 nearest_vert_idx = verts_idx[i]
                 shortest_dist = dist
-                
+
             if dist < prev_dist:
                 prev_dist = dist
                 nearest_vert_idx = verts_idx[i]
                 shortest_dist = dist
-                    
+
         return nearest_vert_idx, shortest_dist
-        
-        
+
+
     #### Returns the index of the opposite vert tip in a chain, given a vert tip index as parameter, and a multidimentional list with all pairs of tips.
     def opposite_tip(self, vert_tip_idx, all_chains_tips_idx):
         opposite_vert_tip_idx = None
@@ -368,26 +366,26 @@ class GPENCIL_OT_SURFSK_add_surface(bpy.types.Operator):
                 opposite_vert_tip_idx = all_chains_tips_idx[i][1]
             if vert_tip_idx == all_chains_tips_idx[i][1]:
                 opposite_vert_tip_idx = all_chains_tips_idx[i][0]
-        
+
         return opposite_vert_tip_idx
-        
-        
-        
+
+
+
     #### Simplifies a spline and returns the new points coordinates.
     def simplify_spline(self, spline_coords, segments_num):
         simplified_spline = []
         points_between_segments = round(len(spline_coords) / segments_num)
-        
+
         simplified_spline.append(spline_coords[0])
         for i in range(1, segments_num):
             simplified_spline.append(spline_coords[i * points_between_segments])
-                    
+
         simplified_spline.append(spline_coords[len(spline_coords) - 1])
-        
+
         return simplified_spline
-    
-    
-    
+
+
+
     #### Cleans up the scene and gets it the same it was at the beginning, in case the script is interrupted in the middle of the execution.
     def cleanup_on_interruption(self):
         # If the original strokes curve comes from conversion from grease pencil and wasn't made by hand, delete it.
@@ -396,11 +394,11 @@ class GPENCIL_OT_SURFSK_add_surface(bpy.types.Operator):
                 bpy.ops.object.select_all('INVOKE_REGION_WIN', action='DESELECT')
                 bpy.data.objects[self.original_curve.name].select = True
                 bpy.context.scene.objects.active = bpy.data.objects[self.original_curve.name]
-                
+
                 bpy.ops.object.delete()
             except:
                 pass
-            
+
             bpy.ops.object.select_all('INVOKE_REGION_WIN', action='DESELECT')
             bpy.data.objects[self.main_object.name].select = True
             bpy.context.scene.objects.active = bpy.data.objects[self.main_object.name]
@@ -409,11 +407,11 @@ class GPENCIL_OT_SURFSK_add_surface(bpy.types.Operator):
             bpy.data.objects[self.original_curve.name].select = True
             bpy.data.objects[self.main_object.name].select = True
             bpy.context.scene.objects.active = bpy.data.objects[self.main_object.name]
-        
+
         bpy.ops.object.editmode_toggle('INVOKE_REGION_WIN')
-    
-    
-    
+
+
+
     #### Returns a list with the coords of the points distributed over the splines passed to this method according to the proportions parameter.
     def distribute_pts(self, surface_splines, proportions):
         # Calculate the length of each final surface spline.
@@ -427,112 +425,112 @@ class GPENCIL_OT_SURFSK_add_surface(bpy.types.Operator):
                     prev_p = surface_splines[sp_idx].bezier_points[i]
                 else:
                     p = surface_splines[sp_idx].bezier_points[i]
-                    
+
                     edge_length = (prev_p.co - p.co).length
-                    
+
                     surface_splines_lengths[sp_idx] += edge_length
-                    
+
                     prev_p = p
-        
-        
+
+
         # Calculate vertex positions with appropriate edge proportions, and ordered, for each spline.
         for sp_idx in range(0, len(surface_splines)):
             surface_splines_parsed.append([])
             surface_splines_parsed[sp_idx].append(surface_splines[sp_idx].bezier_points[0].co)
-            
+
             prev_p_co = surface_splines[sp_idx].bezier_points[0].co
             p_idx = 0
             for prop_idx in range(len(proportions) - 1):
                 target_length = surface_splines_lengths[sp_idx] * proportions[prop_idx]
-                
+
                 partial_segment_length = 0
-                
-                
+
+
                 finish_while = False
                 while True:
                     p_co = surface_splines[sp_idx].bezier_points[p_idx].co
-                    
+
                     new_dist = (prev_p_co - p_co).length
-                    
+
                     potential_segment_length = partial_segment_length + new_dist # The new distance that could have the partial segment if it is still shorter than the target length.
-                    
-                    
+
+
                     if potential_segment_length < target_length: # If the potential is still shorter, keep adding.
                         partial_segment_length = potential_segment_length
-                        
+
                         p_idx += 1
                         prev_p_co = p_co
-                        
+
                     elif potential_segment_length > target_length: # If the potential is longer than the target, calculate the target (a point between the last two points), and assign.
                         remaining_dist = target_length - partial_segment_length
                         vec = p_co - prev_p_co
                         vec.normalize()
                         intermediate_co = prev_p_co + (vec * remaining_dist)
-                        
+
                         surface_splines_parsed[sp_idx].append(intermediate_co)
-                        
+
                         partial_segment_length += remaining_dist
                         prev_p_co = intermediate_co
-                        
+
                         finish_while = True
-                        
+
                     elif potential_segment_length == target_length: # If the potential is equal to the target, assign.
                         surface_splines_parsed[sp_idx].append(p_co)
-                        
+
                         prev_p_co = p_co
-                        
+
                         finish_while = True
-                        
+
                     if finish_while:
                         break
-            
+
             # last point of the spline
             surface_splines_parsed[sp_idx].append(surface_splines[sp_idx].bezier_points[len(surface_splines[sp_idx].bezier_points) - 1].co)
-        
-        
+
+
         return surface_splines_parsed
-    
-    
-    
+
+
+
     #### Counts the number of faces that belong to each edge.
     def edge_face_count(self, ob):
         ed_keys_count_dict = {}
-        
+
         for face in ob.data.polygons:
             for ed_keys in face.edge_keys:
                 if not ed_keys in ed_keys_count_dict:
                     ed_keys_count_dict[ed_keys] = 1
                 else:
                     ed_keys_count_dict[ed_keys] += 1
-        
-        
+
+
         edge_face_count = []
         for i in range(len(ob.data.edges)):
             edge_face_count.append(0)
-        
+
         for i in range(len(ob.data.edges)):
             ed = ob.data.edges[i]
-            
+
             v1 = ed.vertices[0]
             v2 = ed.vertices[1]
-            
+
             if (v1, v2) in ed_keys_count_dict:
                 edge_face_count[i] = ed_keys_count_dict[(v1, v2)]
             elif (v2, v1) in ed_keys_count_dict:
                 edge_face_count[i] = ed_keys_count_dict[(v2, v1)]
-        
-        
+
+
         return edge_face_count
-    
-    
-    
+
+
+
     #### Fills with faces all the selected vertices which form empty triangles or quads.
     def fill_with_faces(self, object):
         all_selected_verts_count = self.main_object_selected_verts_count
-        
-        
+
+
         bpy.ops.object.mode_set('INVOKE_REGION_WIN', mode='OBJECT')
-        
+
         #### Calculate average length of selected edges.
         all_selected_verts = []
         original_sel_edges_count = 0
@@ -541,25 +539,25 @@ class GPENCIL_OT_SURFSK_add_surface(bpy.types.Operator):
                 coords = []
                 coords.append(object.data.vertices[ed.vertices[0]].co)
                 coords.append(object.data.vertices[ed.vertices[1]].co)
-                
+
                 original_sel_edges_count += 1
-                
+
                 if not ed.vertices[0] in all_selected_verts:
                     all_selected_verts.append(ed.vertices[0])
-                    
+
                 if not ed.vertices[1] in all_selected_verts:
                     all_selected_verts.append(ed.vertices[1])
-                
-        
+
+
         tuple(all_selected_verts)
-        
-        
+
+
         #### Check if there is any edge selected. If not, interrupt the script.
         if original_sel_edges_count == 0 and all_selected_verts_count > 0:
             return 0
-        
-        
-        
+
+
+
         #### Get all edges connected to selected verts.
         all_edges_around_sel_verts = []
         edges_connected_to_sel_verts = {}
@@ -567,140 +565,140 @@ class GPENCIL_OT_SURFSK_add_surface(bpy.types.Operator):
         for ed_idx in range(len(object.data.edges)):
             ed = object.data.edges[ed_idx]
             include_edge = False
-            
+
             if ed.vertices[0] in all_selected_verts:
                 if not ed.vertices[0] in edges_connected_to_sel_verts:
                     edges_connected_to_sel_verts[ed.vertices[0]] = []
-                
+
                 edges_connected_to_sel_verts[ed.vertices[0]].append(ed_idx)
                 include_edge = True
-            
+
             if ed.vertices[1] in all_selected_verts:
                 if not ed.vertices[1] in edges_connected_to_sel_verts:
                     edges_connected_to_sel_verts[ed.vertices[1]] = []
-                
+
                 edges_connected_to_sel_verts[ed.vertices[1]].append(ed_idx)
                 include_edge = True
-            
-            
+
+
             if include_edge == True:
                 all_edges_around_sel_verts.append(ed_idx)
-            
-            
+
+
             # Get all connected verts to each vert.
             if not ed.vertices[0] in verts_connected_to_every_vert:
                 verts_connected_to_every_vert[ed.vertices[0]] = []
-            
+
             if not ed.vertices[1] in verts_connected_to_every_vert:
                 verts_connected_to_every_vert[ed.vertices[1]] = []
-                
+
             verts_connected_to_every_vert[ed.vertices[0]].append(ed.vertices[1])
             verts_connected_to_every_vert[ed.vertices[1]].append(ed.vertices[0])
-            
-        
-        
-        
+
+
+
+
         #### Get all verts connected to faces.
         all_verts_part_of_faces = []
         all_edges_faces_count = []
         all_edges_faces_count += self.edge_face_count(object)
-        
+
         # Get only the selected edges that have faces attached.
         count_faces_of_edges_around_sel_verts = {}
         selected_verts_with_faces = []
         for ed_idx in all_edges_around_sel_verts:
             count_faces_of_edges_around_sel_verts[ed_idx] = all_edges_faces_count[ed_idx]
-            
+
             if all_edges_faces_count[ed_idx] > 0:
                 ed = object.data.edges[ed_idx]
-                
+
                 if not ed.vertices[0] in selected_verts_with_faces:
                     selected_verts_with_faces.append(ed.vertices[0])
-                
+
                 if not ed.vertices[1] in selected_verts_with_faces:
                     selected_verts_with_faces.append(ed.vertices[1])
-        
+
                 all_verts_part_of_faces.append(ed.vertices[0])
                 all_verts_part_of_faces.append(ed.vertices[1])
-        
+
         tuple(selected_verts_with_faces)
-        
-        
-        
+
+
+
         #### Discard unneeded verts from calculations.
         participating_verts = []
         movable_verts = []
         for v_idx in all_selected_verts:
             vert_has_edges_with_one_face = False
-            
+
             for ed_idx in edges_connected_to_sel_verts[v_idx]: # Check if the actual vert has at least one edge connected to only one face.
                 if count_faces_of_edges_around_sel_verts[ed_idx] == 1:
                     vert_has_edges_with_one_face = True
-            
+
             # If the vert has two or less edges connected and the vert is not part of any face. Or the vert is part of any face and at least one of the connected edges has only one face attached to it.
             if (len(edges_connected_to_sel_verts[v_idx]) == 2 and not v_idx in all_verts_part_of_faces) or len(edges_connected_to_sel_verts[v_idx]) == 1 or (v_idx in all_verts_part_of_faces and vert_has_edges_with_one_face):
                 participating_verts.append(v_idx)
-                
+
                 if not v_idx in all_verts_part_of_faces:
                     movable_verts.append(v_idx)
-        
-        
-        
+
+
+
         #### Remove from movable verts list those that are part of closed geometry (ie: triangles, quads)
         for mv_idx in movable_verts:
             freeze_vert = False
             mv_connected_verts = verts_connected_to_every_vert[mv_idx]
-            
+
             for actual_v_idx in all_selected_verts:
                 count_shared_neighbors = 0
                 checked_verts = []
-                
+
                 for mv_conn_v_idx in mv_connected_verts:
                     if mv_idx != actual_v_idx:
                         if mv_conn_v_idx in verts_connected_to_every_vert[actual_v_idx] and not mv_conn_v_idx in checked_verts:
                             count_shared_neighbors += 1
                             checked_verts.append(mv_conn_v_idx)
-                            
-                            
+
+
                             if actual_v_idx in mv_connected_verts:
                                 freeze_vert = True
                                 break
-                            
+
                         if count_shared_neighbors == 2:
                             freeze_vert = True
                             break
-                
+
                 if freeze_vert:
                     break
-            
+
             if freeze_vert:
                 movable_verts.remove(mv_idx)
-                        
-        
-        
+
+
+
         #### Calculate merge distance for participating verts.
         shortest_edge_length = None
         for ed in object.data.edges:
             if ed.vertices[0] in movable_verts and ed.vertices[1] in movable_verts:
                 v1 = object.data.vertices[ed.vertices[0]]
                 v2 = object.data.vertices[ed.vertices[1]]
-                
+
                 length = (v1.co - v2.co).length
-                
+
                 if shortest_edge_length == None:
                     shortest_edge_length = length
                 else:
                     if length < shortest_edge_length:
                         shortest_edge_length = length
-            
+
         if shortest_edge_length != None:
             edges_merge_distance = shortest_edge_length * 0.5
         else:
             edges_merge_distance = 0
-        
-        
-        
-        
+
+
+
+
         #### Get together the verts near enough. They will be merged later.
         remaining_verts = []
         remaining_verts += participating_verts
@@ -708,29 +706,29 @@ class GPENCIL_OT_SURFSK_add_surface(bpy.types.Operator):
             if v1_idx in remaining_verts and v1_idx in movable_verts:
                 verts_to_merge = []
                 coords_verts_to_merge = {}
-                
+
                 verts_to_merge.append(v1_idx)
-                
+
                 v1_co = object.data.vertices[v1_idx].co
                 coords_verts_to_merge[v1_idx] = (v1_co[0], v1_co[1], v1_co[2])
-                
-                
+
+
                 for v2_idx in remaining_verts:
                     if v1_idx != v2_idx:
                         v2_co = object.data.vertices[v2_idx].co
-                        
+
                         dist = (v1_co - v2_co).length
-                        
+
                         if dist <= edges_merge_distance: # Add the verts which are near enough.
                             verts_to_merge.append(v2_idx)
-                            
+
                             coords_verts_to_merge[v2_idx] = (v2_co[0], v2_co[1], v2_co[2])
-                            
-                
+
+
                 for vm_idx in verts_to_merge:
                     remaining_verts.remove(vm_idx)
-                
-                
+
+
                 if len(verts_to_merge) > 1:
                     # Calculate middle point of the verts to merge.
                     sum_x_co = 0
@@ -740,16 +738,16 @@ class GPENCIL_OT_SURFSK_add_surface(bpy.types.Operator):
                     for i in range(len(verts_to_merge)):
                         if verts_to_merge[i] in movable_verts:
                             v_co = object.data.vertices[verts_to_merge[i]].co
-                            
+
                             sum_x_co += v_co[0]
                             sum_y_co += v_co[1]
                             sum_z_co += v_co[2]
-                            
+
                             movable_verts_to_merge_count += 1
-                    
+
                     middle_point_co = [sum_x_co / movable_verts_to_merge_count, sum_y_co / movable_verts_to_merge_count, sum_z_co / movable_verts_to_merge_count]
-                    
-                    
+
+
                     # Check if any vert to be merged is not movable.
                     shortest_dist = None
                     are_verts_not_movable = False
@@ -758,13 +756,13 @@ class GPENCIL_OT_SURFSK_add_surface(bpy.types.Operator):
                         if v_merge_idx in participating_verts and not v_merge_idx in movable_verts:
                             are_verts_not_movable = True
                             verts_not_movable.append(v_merge_idx)
-                    
+
                     if are_verts_not_movable:
                         # Get the vert connected to faces, that is nearest to the middle point of the movable verts.
                         shortest_dist = None
                         for vcf_idx in verts_not_movable:
                                 dist = abs((object.data.vertices[vcf_idx].co - mathutils.Vector(middle_point_co)).length)
-                                
+
                                 if shortest_dist == None:
                                     shortest_dist = dist
                                     nearest_vert_idx = vcf_idx
@@ -772,46 +770,46 @@ class GPENCIL_OT_SURFSK_add_surface(bpy.types.Operator):
                                     if dist < shortest_dist:
                                         shortest_dist = dist
                                         nearest_vert_idx = vcf_idx
-                                    
+
                         coords = object.data.vertices[nearest_vert_idx].co
-                        target_point_co = [coords[0], coords[1], coords[2]]                                    
+                        target_point_co = [coords[0], coords[1], coords[2]]
                     else:
                          target_point_co = middle_point_co
-                       
-                    
+
+
                     # Move verts to merge to the middle position.
                     for v_merge_idx in verts_to_merge:
                         if v_merge_idx in movable_verts: # Only move the verts that are not part of faces.
                             object.data.vertices[v_merge_idx].co[0] = target_point_co[0]
                             object.data.vertices[v_merge_idx].co[1] = target_point_co[1]
                             object.data.vertices[v_merge_idx].co[2] = target_point_co[2]
-                
-                
-        
+
+
+
         #### Perform "Remove Doubles" to weld all the disconnected verts
         bpy.ops.object.mode_set('INVOKE_REGION_WIN', mode='EDIT')
         bpy.ops.mesh.remove_doubles(threshold=0.0001)
-        
+
         bpy.ops.object.mode_set('INVOKE_REGION_WIN', mode='OBJECT')
-        
-        
+
+
         #### Get all the definitive selected edges, after weldding.
         selected_edges = []
         edges_per_vert = {} # Number of faces of each selected edge.
         for ed in object.data.edges:
             if object.data.vertices[ed.vertices[0]].select and object.data.vertices[ed.vertices[1]].select:
                 selected_edges.append(ed.index)
-                
+
                 # Save all the edges that belong to each vertex.
                 if not ed.vertices[0] in edges_per_vert:
                     edges_per_vert[ed.vertices[0]] = []
-                
+
                 if not ed.vertices[1] in edges_per_vert:
                     edges_per_vert[ed.vertices[1]] = []
-                
+
                 edges_per_vert[ed.vertices[0]].append(ed.index)
                 edges_per_vert[ed.vertices[1]].append(ed.index)
-        
+
         # Check if all the edges connected to each vert have two faces attached to them. To discard them later and make calculations faster.
         a = []
         a += self.edge_face_count(object)
@@ -819,25 +817,25 @@ class GPENCIL_OT_SURFSK_add_surface(bpy.types.Operator):
         verts_surrounded_by_faces = {}
         for v_idx in edges_per_vert:
             edges = edges_per_vert[v_idx]
-            
+
             edges_with_two_faces_count = 0
             for ed_idx in edges_per_vert[v_idx]:
                 if a[ed_idx] == 2:
                     edges_with_two_faces_count += 1
-            
+
             if edges_with_two_faces_count == len(edges_per_vert[v_idx]):
                 verts_surrounded_by_faces[v_idx] = True
             else:
                 verts_surrounded_by_faces[v_idx] = False
-                
-                
+
+
         #### Get all the selected vertices.
         selected_verts_idx = []
         for v in object.data.vertices:
             if v.select:
                 selected_verts_idx.append(v.index)
-        
-        
+
+
         #### Get all the faces of the object.
         all_object_faces_verts_idx = []
         for face in object.data.polygons:
@@ -845,44 +843,44 @@ class GPENCIL_OT_SURFSK_add_surface(bpy.types.Operator):
             face_verts.append(face.vertices[0])
             face_verts.append(face.vertices[1])
             face_verts.append(face.vertices[2])
-            
+
             if len(face.vertices) == 4:
                 face_verts.append(face.vertices[3])
-                
+
             all_object_faces_verts_idx.append(face_verts)
-                        
-            
+
+
         #### Deselect all vertices.
         bpy.ops.object.mode_set('INVOKE_REGION_WIN', mode='EDIT')
         bpy.ops.mesh.select_all('INVOKE_REGION_WIN', action='DESELECT')
         bpy.ops.object.mode_set('INVOKE_REGION_WIN', mode='OBJECT')
-        
-        
-        
+
+
+
         #### Make a dictionary with the verts related to each vert.
         related_key_verts = {}
         for ed_idx in selected_edges:
             ed = object.data.edges[ed_idx]
-            
+
             if not verts_surrounded_by_faces[ed.vertices[0]]:
                 if not ed.vertices[0] in related_key_verts:
                     related_key_verts[ed.vertices[0]] = []
-                
+
                 if not ed.vertices[1] in related_key_verts[ed.vertices[0]]:
                     related_key_verts[ed.vertices[0]].append(ed.vertices[1])
-            
+
             if not verts_surrounded_by_faces[ed.vertices[1]]:
                 if not ed.vertices[1] in related_key_verts:
                     related_key_verts[ed.vertices[1]] = []
-                
+
                 if not ed.vertices[0] in related_key_verts[ed.vertices[1]]:
                     related_key_verts[ed.vertices[1]].append(ed.vertices[0])
-        
-        
-            
+
+
+
         #### Get groups of verts forming each face.
-        faces_verts_idx = [] 
-        for v1 in related_key_verts: # verts-1 .... 
+        faces_verts_idx = []
+        for v1 in related_key_verts: # verts-1 ....
             for v2 in related_key_verts: # verts-2
                 if v1 != v2:
                     related_verts_in_common = []
@@ -891,57 +889,57 @@ class GPENCIL_OT_SURFSK_add_surface(bpy.types.Operator):
                     for rel_v1 in related_key_verts[v1]:
                         if rel_v1 in related_key_verts[v2]: # Check if related verts of verts-1 are related verts of verts-2.
                             related_verts_in_common.append(rel_v1)
-                        
+
                     if v2 in related_key_verts[v1]:
                         v2_in_rel_v1 = True
-                            
+
                     if v1 in related_key_verts[v2]:
                         v1_in_rel_v2 = True
-                    
-                    
+
+
                     repeated_face = False
                     # If two verts have two related verts in common, they form a quad.
                     if len(related_verts_in_common) == 2:
                         # Check if the face is already saved.
                         all_faces_to_check_idx = faces_verts_idx + all_object_faces_verts_idx
-                        
-                        
+
+
                         for f_verts in all_faces_to_check_idx:
                             repeated_verts = 0
-                            
+
                             if len(f_verts) == 4:
                                 if v1 in f_verts: repeated_verts += 1
                                 if v2 in f_verts: repeated_verts += 1
                                 if related_verts_in_common[0] in f_verts: repeated_verts += 1
                                 if related_verts_in_common[1] in f_verts: repeated_verts += 1
-                                
+
                                 if repeated_verts == len(f_verts):
                                     repeated_face = True
                                     break
-                        
+
                         if not repeated_face:
                             faces_verts_idx.append([v1, related_verts_in_common[0], v2, related_verts_in_common[1]])
-                        
+
                     elif v2_in_rel_v1 and v1_in_rel_v2 and len(related_verts_in_common) == 1: # If Two verts have one related vert in common and they are related to each other, they form a triangle.
                         # Check if the face is already saved.
                         all_faces_to_check_idx = faces_verts_idx + all_object_faces_verts_idx
-                        
+
                         for f_verts in all_faces_to_check_idx:
                             repeated_verts = 0
-                            
+
                             if len(f_verts) == 3:
                                 if v1 in f_verts: repeated_verts += 1
                                 if v2 in f_verts: repeated_verts += 1
                                 if related_verts_in_common[0] in f_verts: repeated_verts += 1
-                                
+
                                 if repeated_verts == len(f_verts):
                                     repeated_face = True
                                     break
-                        
+
                         if not repeated_face:
                             faces_verts_idx.append([v1, related_verts_in_common[0], v2])
-                
-            
+
+
         #### Keep only the faces that don't overlap by ignoring quads that overlap with two adjacent triangles.
         faces_to_not_include_idx = [] # Indices of faces_verts_idx to eliminate.
         all_faces_to_check_idx = faces_verts_idx + all_object_faces_verts_idx
@@ -949,75 +947,75 @@ class GPENCIL_OT_SURFSK_add_surface(bpy.types.Operator):
             for t in range(len(all_faces_to_check_idx)):
                 if i != t:
                     verts_in_common = 0
-                    
+
                     if len(faces_verts_idx[i]) == 4 and len(all_faces_to_check_idx[t]) == 3:
                         for v_idx in all_faces_to_check_idx[t]:
                             if v_idx in faces_verts_idx[i]:
                                 verts_in_common += 1
-                                
+
                         if verts_in_common == 3: # If it doesn't have all it's vertices repeated in the other face.
                             if not i in faces_to_not_include_idx:
                                 faces_to_not_include_idx.append(i)
-        
-        
+
+
         #### Build faces discarding the ones in faces_to_not_include.
         me = object.data
         bm = bmesh.new()
         bm.from_mesh(me)
-        
+
         num_faces_created = 0
         for i in range(len(faces_verts_idx)):
             if not i in faces_to_not_include_idx:
                 bm.faces.new([ bm.verts[v] for v in faces_verts_idx[i] ])
-                
+
                 num_faces_created += 1
-        
+
         bm.to_mesh(me)
         bm.free()
-        
-        
-        
+
+
+
         for v_idx in selected_verts_idx:
             self.main_object.data.vertices[v_idx].select = True
-        
-        
+
+
         bpy.ops.object.mode_set('INVOKE_REGION_WIN', mode='EDIT')
         bpy.ops.mesh.normals_make_consistent(inside=False)
         bpy.ops.object.mode_set('INVOKE_REGION_WIN', mode='OBJECT')
-        
-            
+
+
         return num_faces_created
-        
-        
-    
+
+
+
     #### Crosshatch skinning.
     def crosshatch_surface_invoke(self, ob_original_splines):
         self.is_crosshatch = False
         self.crosshatch_merge_distance = 0
-        
-        
+
+
         objects_to_delete = [] # duplicated strokes to be deleted.
-        
+
         # If the main object uses modifiers deactivate them temporarily until the surface is joined. (without this the surface verts merging with the main object doesn't work well)
         self.modifiers_prev_viewport_state = []
         if len(self.main_object.modifiers) > 0:
             for m_idx in range(len(self.main_object.modifiers)):
                 self.modifiers_prev_viewport_state.append(self.main_object.modifiers[m_idx].show_viewport)
-                
+
                 self.main_object.modifiers[m_idx].show_viewport = False
-        
-        
+
+
         bpy.ops.object.select_all('INVOKE_REGION_WIN', action='DESELECT')
         bpy.data.objects[ob_original_splines.name].select = True
         bpy.context.scene.objects.active = bpy.data.objects[ob_original_splines.name]
-        
-        
+
+
         if len(ob_original_splines.data.splines) >= 2:
             bpy.ops.object.duplicate('INVOKE_REGION_WIN')
             ob_splines = bpy.context.object
             ob_splines.name = "SURFSKIO_NE_STR"
-            
-            
+
+
             #### Get estimative merge distance (sum up the distances from the first point to all other points, then average them and then divide them).
             first_point_dist_sum = 0
             first_dist = 0
@@ -1025,312 +1023,312 @@ class GPENCIL_OT_SURFSK_add_surface(bpy.types.Operator):
             coords_first_pt = ob_splines.data.splines[0].bezier_points[0].co
             for i in range(len(ob_splines.data.splines)):
                 sp = ob_splines.data.splines[i]
-                
+
                 if coords_first_pt != sp.bezier_points[0].co:
                     first_dist = (coords_first_pt - sp.bezier_points[0].co).length
-                    
+
                 if coords_first_pt != sp.bezier_points[len(sp.bezier_points) - 1].co:
                     second_dist = (coords_first_pt - sp.bezier_points[len(sp.bezier_points) - 1].co).length
-                
+
                 first_point_dist_sum += first_dist + second_dist
-                
-                
+
+
                 if i == 0:
                     if first_dist != 0:
                         shortest_dist = first_dist
                     elif second_dist != 0:
                         shortest_dist = second_dist
-                        
-                    
+
+
                 if shortest_dist > first_dist and first_dist != 0:
                     shortest_dist = first_dist
-                
+
                 if shortest_dist > second_dist and second_dist != 0:
                     shortest_dist = second_dist
-                
-            
+
+
             self.crosshatch_merge_distance = shortest_dist / 20
-            
-            
-            
+
+
+
             #### Recalculation of merge distance.
-            
+
             bpy.ops.object.duplicate('INVOKE_REGION_WIN')
-            
+
             ob_calc_merge_dist = bpy.context.object
             ob_calc_merge_dist.name = "SURFSKIO_CALC_TMP"
-            
+
             objects_to_delete.append(ob_calc_merge_dist)
-            
-            
-            
+
+
+
             #### Smooth out strokes a little to improve crosshatch detection.
             bpy.ops.object.editmode_toggle('INVOKE_REGION_WIN')
             bpy.ops.curve.select_all('INVOKE_REGION_WIN', action='SELECT')
-            
+
             for i in range(4):
                 bpy.ops.curve.smooth('INVOKE_REGION_WIN')
-            
+
             bpy.ops.curve.select_all('INVOKE_REGION_WIN', action='DESELECT')
             bpy.ops.object.editmode_toggle('INVOKE_REGION_WIN')
-            
-            
-            
+
+
+
             #### Convert curves into mesh.
             ob_calc_merge_dist.data.resolution_u = 12
             bpy.ops.object.convert(target='MESH', keep_original=False)
-            
+
             # Find "intersection-nodes".
             bpy.ops.object.editmode_toggle('INVOKE_REGION_WIN')
             bpy.ops.mesh.select_all('INVOKE_REGION_WIN', action='SELECT')
             bpy.ops.mesh.remove_doubles('INVOKE_REGION_WIN', threshold=self.crosshatch_merge_distance)
             bpy.ops.mesh.select_all('INVOKE_REGION_WIN', action='DESELECT')
             bpy.ops.object.editmode_toggle('INVOKE_REGION_WIN')
-            
+
             # Remove verts with less than three edges.
             verts_edges_count = {}
             for ed in ob_calc_merge_dist.data.edges:
                 v = ed.vertices
-                
+
                 if v[0] not in verts_edges_count:
                     verts_edges_count[v[0]] = 0
-                
+
                 if v[1] not in verts_edges_count:
                     verts_edges_count[v[1]] = 0
-                    
+
                 verts_edges_count[v[0]] += 1
                 verts_edges_count[v[1]] += 1
-            
+
             nodes_verts_coords = []
             for v_idx in verts_edges_count:
                 v = ob_calc_merge_dist.data.vertices[v_idx]
-                
+
                 if verts_edges_count[v_idx] < 3:
                     v.select = True
-                    
-            
+
+
             # Remove them.
             bpy.ops.object.editmode_toggle('INVOKE_REGION_WIN')
             bpy.ops.mesh.delete('INVOKE_REGION_WIN', type='VERT')
             bpy.ops.mesh.select_all('INVOKE_REGION_WIN', action='SELECT')
-            
+
             # Remove doubles to discard very near verts from calculations of distance.
             bpy.ops.mesh.remove_doubles('INVOKE_REGION_WIN', threshold=self.crosshatch_merge_distance * 4.0)
             bpy.ops.object.editmode_toggle('INVOKE_REGION_WIN')
-            
+
             # Get all coords of the resulting nodes.
             nodes_verts_coords = [(v.co[0], v.co[1], v.co[2]) for v in ob_calc_merge_dist.data.vertices]
-            
+
             #### Check if the strokes are a crosshatch.
             if len(nodes_verts_coords) >= 3:
                 self.is_crosshatch = True
-                
+
                 shortest_dist = None
                 for co_1 in nodes_verts_coords:
                     for co_2 in nodes_verts_coords:
                         if co_1 != co_2:
                             dist = (mathutils.Vector(co_1) - mathutils.Vector(co_2)).length
-                            
+
                             if shortest_dist != None:
                                 if dist < shortest_dist:
                                     shortest_dist = dist
                             else:
                                 shortest_dist = dist
-                
+
                 self.crosshatch_merge_distance = shortest_dist / 3
-            
-            
+
+
             bpy.ops.object.select_all('INVOKE_REGION_WIN', action='DESELECT')
             bpy.data.objects[ob_splines.name].select = True
             bpy.context.scene.objects.active = bpy.data.objects[ob_splines.name]
-            
+
             #### Deselect all points.
             bpy.ops.object.editmode_toggle('INVOKE_REGION_WIN')
             bpy.ops.curve.select_all('INVOKE_REGION_WIN', action='DESELECT')
             bpy.ops.object.editmode_toggle('INVOKE_REGION_WIN')
-            
-            
-            
+
+
+
             #### Smooth splines in a localized way, to eliminate "saw-teeth" like shapes when there are many points.
             for sp in ob_splines.data.splines:
                 angle_sum = 0
-                
+
                 angle_limit = 2 # Degrees
                 for t in range(len(sp.bezier_points)):
                     if t <= len(sp.bezier_points) - 3: # Because on each iteration it checks the "next two points" of the actual. This way it doesn't go out of range.
                         p1 = sp.bezier_points[t]
                         p2 = sp.bezier_points[t + 1]
                         p3 = sp.bezier_points[t + 2]
-                        
+
                         vec_1 = p1.co - p2.co
                         vec_2 = p2.co - p3.co
-                        
+
                         if p2.co != p1.co and p2.co != p3.co:
                             angle = vec_1.angle(vec_2)
                             angle_sum += degrees(angle)
-                            
+
                             if angle_sum >= angle_limit: # If sum of angles is grater than the limit.
                                 if (p1.co - p2.co).length <= self.crosshatch_merge_distance:
                                     p1.select_control_point = True; p1.select_left_handle = True; p1.select_right_handle = True
                                     p2.select_control_point = True; p2.select_left_handle = True; p2.select_right_handle = True
-                                
+
                                 if (p1.co - p2.co).length <= self.crosshatch_merge_distance:
                                     p3.select_control_point = True; p3.select_left_handle = True; p3.select_right_handle = True
-                                
+
                                 angle_sum = 0
-                
+
                 sp.bezier_points[0].select_control_point = False
                 sp.bezier_points[0].select_left_handle = False
                 sp.bezier_points[0].select_right_handle = False
-                
+
                 sp.bezier_points[len(sp.bezier_points) - 1].select_control_point = False
                 sp.bezier_points[len(sp.bezier_points) - 1].select_left_handle = False
                 sp.bezier_points[len(sp.bezier_points) - 1].select_right_handle  = False
-            
-            
-            
+
+
+
             #### Smooth out strokes a little to improve crosshatch detection.
             bpy.ops.object.editmode_toggle('INVOKE_REGION_WIN')
-            
+
             for i in range(15):
                 bpy.ops.curve.smooth('INVOKE_REGION_WIN')
-            
+
             bpy.ops.curve.select_all('INVOKE_REGION_WIN', action='DESELECT')
             bpy.ops.object.editmode_toggle('INVOKE_REGION_WIN')
-            
-            
-            
-            
+
+
+
+
             #### Simplify the splines.
             for sp in ob_splines.data.splines:
                 angle_sum = 0
-                
+
                 sp.bezier_points[0].select_control_point = True
                 sp.bezier_points[0].select_left_handle = True
                 sp.bezier_points[0].select_right_handle = True
-                
+
                 sp.bezier_points[len(sp.bezier_points) - 1].select_control_point = True
                 sp.bezier_points[len(sp.bezier_points) - 1].select_left_handle = True
                 sp.bezier_points[len(sp.bezier_points) - 1].select_right_handle  = True
-                
-                
+
+
                 angle_limit = 15 # Degrees
                 for t in range(len(sp.bezier_points)):
                     if t <= len(sp.bezier_points) - 3: # Because on each iteration it checks the "next two points" of the actual. This way it doesn't go out of range.
                         p1 = sp.bezier_points[t]
                         p2 = sp.bezier_points[t + 1]
                         p3 = sp.bezier_points[t + 2]
-                        
+
                         vec_1 = p1.co - p2.co
                         vec_2 = p2.co - p3.co
-                        
+
                         if p2.co != p1.co and p2.co != p3.co:
                             angle = vec_1.angle(vec_2)
                             angle_sum += degrees(angle)
-                            
+
                             if angle_sum >= angle_limit: # If sum of angles is grater than the limit.
                                 p1.select_control_point = True; p1.select_left_handle = True; p1.select_right_handle = True
                                 p2.select_control_point = True; p2.select_left_handle = True; p2.select_right_handle = True
                                 p3.select_control_point = True; p3.select_left_handle = True; p3.select_right_handle = True
-                                
+
                                 angle_sum = 0
-                            
-                            
-            
+
+
+
             bpy.ops.object.editmode_toggle('INVOKE_REGION_WIN')
-            
+
             bpy.ops.curve.select_all(action = 'INVERT')
-            
+
             bpy.ops.curve.delete(type='VERT')
             bpy.ops.object.editmode_toggle('INVOKE_REGION_WIN')
-            
-            
-            
+
+
+
             objects_to_delete.append(ob_splines)
-            
-            
+
+
             bpy.ops.object.editmode_toggle('INVOKE_REGION_WIN')
             bpy.ops.curve.select_all('INVOKE_REGION_WIN', action='DESELECT')
             bpy.ops.object.editmode_toggle('INVOKE_REGION_WIN')
-            
-            
+
+
             #### Check if the strokes are a crosshatch.
             if self.is_crosshatch:
                 all_points_coords = []
                 for i in range(len(ob_splines.data.splines)):
                     all_points_coords.append([])
-                    
+
                     all_points_coords[i] = [mathutils.Vector((x, y, z)) for x, y, z in [bp.co for bp in ob_splines.data.splines[i].bezier_points]]
-                
-                
+
+
                 all_intersections = []
                 checked_splines = []
                 for i in range(len(all_points_coords)):
-                        
+
                     for t in range(len(all_points_coords[i]) - 1):
                         bp1_co = all_points_coords[i][t]
                         bp2_co = all_points_coords[i][t + 1]
-                        
+
                         for i2 in range(len(all_points_coords)):
                             if i != i2 and not i2 in checked_splines:
                                 for t2 in range(len(all_points_coords[i2]) - 1):
                                     bp3_co = all_points_coords[i2][t2]
                                     bp4_co = all_points_coords[i2][t2 + 1]
-                                    
-                                    
+
+
                                     intersec_coords = mathutils.geometry.intersect_line_line(bp1_co, bp2_co, bp3_co, bp4_co)
-                                    
+
                                     if intersec_coords != None:
                                         dist = (intersec_coords[0] - intersec_coords[1]).length
-                                        
+
                                         if dist <= self.crosshatch_merge_distance * 1.5:
                                             temp_co, percent1 = mathutils.geometry.intersect_point_line(intersec_coords[0], bp1_co, bp2_co)
-                                            
+
                                             if (percent1 >= -0.02 and percent1 <= 1.02):
                                                 temp_co, percent2 = mathutils.geometry.intersect_point_line(intersec_coords[1], bp3_co, bp4_co)
                                                 if (percent2 >= -0.02 and percent2 <= 1.02):
                                                     all_intersections.append((i, t, percent1, ob_splines.matrix_world * intersec_coords[0])) # Format: spline index, first point index from corresponding segment, percentage from first point of actual segment, coords of intersection point.
                                                     all_intersections.append((i2, t2, percent2, ob_splines.matrix_world * intersec_coords[1]))
-                                            
-                                            
-                        
-                        checked_splines.append(i)        
-                
-                
+
+
+
+                        checked_splines.append(i)
+
+
                 all_intersections.sort(key = operator.itemgetter(0,1,2)) # Sort list by spline, then by corresponding first point index of segment, and then by percentage from first point of segment: elements 0 and 1 respectively.
-                
-                
-                
+
+
+
                 self.crosshatch_strokes_coords = {}
                 for i in range(len(all_intersections)):
                     if not all_intersections[i][0] in self.crosshatch_strokes_coords:
                         self.crosshatch_strokes_coords[all_intersections[i][0]] = []
-                        
+
                     self.crosshatch_strokes_coords[all_intersections[i][0]].append(all_intersections[i][3]) # Save intersection coords.
-                
+
             else:
                 self.is_crosshatch = False
-                
-        
+
+
         #### Delete all duplicates.
         for o in objects_to_delete:
             bpy.ops.object.select_all('INVOKE_REGION_WIN', action='DESELECT')
             bpy.data.objects[o.name].select = True
             bpy.context.scene.objects.active = bpy.data.objects[o.name]
             bpy.ops.object.delete()
-            
-            
+
+
         #### If the main object has modifiers, turn their "viewport view status" to what it was before the forced deactivation above.
         if len(self.main_object.modifiers) > 0:
             for m_idx in range(len(self.main_object.modifiers)):
                 self.main_object.modifiers[m_idx].show_viewport = self.modifiers_prev_viewport_state[m_idx]
-        
-        
-            
+
+
+
         return
-    
-    
-    
+
+
+
     #### Part of the Crosshatch process that is repeated when the operator is tweaked.
     def crosshatch_surface_execute(self):
         # If the main object uses modifiers deactivate them temporarily until the surface is joined. (without this the surface verts merging with the main object doesn't work well)
@@ -1338,54 +1336,54 @@ class GPENCIL_OT_SURFSK_add_surface(bpy.types.Operator):
         if len(self.main_object.modifiers) > 0:
             for m_idx in range(len(self.main_object.modifiers)):
                 self.modifiers_prev_viewport_state.append(self.main_object.modifiers[m_idx].show_viewport)
-                
+
                 self.main_object.modifiers[m_idx].show_viewport = False
-                
-                
+
+
         bpy.ops.object.editmode_toggle('INVOKE_REGION_WIN')
-        
-        
-        
+
+
+
         me_name = "SURFSKIO_STK_TMP"
         me = bpy.data.meshes.new(me_name)
-        
+
         all_verts_coords = []
         all_edges = []
         for st_idx in self.crosshatch_strokes_coords:
             for co_idx in range(len(self.crosshatch_strokes_coords[st_idx])):
                 coords = self.crosshatch_strokes_coords[st_idx][co_idx]
-                
+
                 all_verts_coords.append(coords)
-                
+
                 if co_idx > 0:
                     all_edges.append((len(all_verts_coords) - 2, len(all_verts_coords) - 1))
-                    
-        
+
+
         me.from_pydata(all_verts_coords, all_edges, [])
-        
+
         me.update()
-        
+
         ob = bpy.data.objects.new(me_name, me)
         ob.data = me
         bpy.context.scene.objects.link(ob)
-        
-        
+
+
         bpy.ops.object.select_all('INVOKE_REGION_WIN', action='DESELECT')
         bpy.data.objects[ob.name].select = True
         bpy.context.scene.objects.active = bpy.data.objects[ob.name]
-        
-        
+
+
         #### Get together each vert and its nearest, to the middle position.
         verts = ob.data.vertices
         checked_verts = []
         for i in range(len(verts)):
             shortest_dist = None
-            
+
             if not i in checked_verts:
                 for t in range(len(verts)):
                     if i != t and not t in checked_verts:
                         dist = (verts[i].co - verts[t].co).length
-                        
+
                         if shortest_dist != None:
                             if dist < shortest_dist:
                                 shortest_dist = dist
@@ -1393,61 +1391,61 @@ class GPENCIL_OT_SURFSK_add_surface(bpy.types.Operator):
                         else:
                             shortest_dist = dist
                             nearest_vert = t
-                
+
                 middle_location = (verts[i].co + verts[nearest_vert].co) / 2
-                
+
                 verts[i].co = middle_location
                 verts[nearest_vert].co = middle_location
-                
+
                 checked_verts.append(i)
                 checked_verts.append(nearest_vert)
-        
-        
-        
-        
+
+
+
+
         #### Calculate average length between all the generated edges.
         ob = bpy.context.object
         lengths_sum = 0
         for ed in ob.data.edges:
             v1 = ob.data.vertices[ed.vertices[0]]
             v2 = ob.data.vertices[ed.vertices[1]]
-            
+
             lengths_sum += (v1.co - v2.co).length
-        
+
         edges_count = len(ob.data.edges)
-        
+
         average_edge_length = lengths_sum / edges_count
-        
-        
+
+
         bpy.ops.object.editmode_toggle('INVOKE_REGION_WIN')
         bpy.ops.mesh.select_all('INVOKE_REGION_WIN', action='SELECT')
         bpy.ops.mesh.remove_doubles('INVOKE_REGION_WIN', threshold=average_edge_length / 15.0)
         bpy.ops.object.editmode_toggle('INVOKE_REGION_WIN')
-        
+
         final_points_ob = bpy.context.scene.objects.active
-        
-        
+
+
         #### Make a dictionary with the verts related to each vert.
         related_key_verts = {}
         for ed in final_points_ob.data.edges:
             if not ed.vertices[0] in related_key_verts:
                 related_key_verts[ed.vertices[0]] = []
-                
+
             if not ed.vertices[1] in related_key_verts:
                 related_key_verts[ed.vertices[1]] = []
-            
-            
+
+
             if not ed.vertices[1] in related_key_verts[ed.vertices[0]]:
                 related_key_verts[ed.vertices[0]].append(ed.vertices[1])
-                
+
             if not ed.vertices[0] in related_key_verts[ed.vertices[1]]:
                 related_key_verts[ed.vertices[1]].append(ed.vertices[0])
-        
-        
-        
+
+
+
         #### Get groups of verts forming each face.
-        faces_verts_idx = [] 
-        for v1 in related_key_verts: # verts-1 .... 
+        faces_verts_idx = []
+        for v1 in related_key_verts: # verts-1 ....
             for v2 in related_key_verts: # verts-2
                 if v1 != v2:
                     related_verts_in_common = []
@@ -1456,76 +1454,76 @@ class GPENCIL_OT_SURFSK_add_surface(bpy.types.Operator):
                     for rel_v1 in related_key_verts[v1]:
                         if rel_v1 in related_key_verts[v2]: # Check if related verts of verts-1 are related verts of verts-2.
                             related_verts_in_common.append(rel_v1)
-                        
+
                     if v2 in related_key_verts[v1]:
                         v2_in_rel_v1 = True
-                            
+
                     if v1 in related_key_verts[v2]:
                         v1_in_rel_v2 = True
-                    
-                    
+
+
                     repeated_face = False
                     # If two verts have two related verts in common, they form a quad.
                     if len(related_verts_in_common) == 2:
                         # Check if the face is already saved.
                         for f_verts in faces_verts_idx:
                             repeated_verts = 0
-                            
+
                             if len(f_verts) == 4:
                                 if v1 in f_verts: repeated_verts += 1
                                 if v2 in f_verts: repeated_verts += 1
                                 if related_verts_in_common[0] in f_verts: repeated_verts += 1
                                 if related_verts_in_common[1] in f_verts: repeated_verts += 1
-                                
+
                                 if repeated_verts == len(f_verts):
                                     repeated_face = True
                                     break
-                        
+
                         if not repeated_face:
                             faces_verts_idx.append([v1, related_verts_in_common[0], v2, related_verts_in_common[1]])
-                        
+
                     elif v2_in_rel_v1 and v1_in_rel_v2 and len(related_verts_in_common) == 1: # If Two verts have one related vert in common and they are related to each other, they form a triangle.
                         # Check if the face is already saved.
                         for f_verts in faces_verts_idx:
                             repeated_verts = 0
-                            
+
                             if len(f_verts) == 3:
                                 if v1 in f_verts: repeated_verts += 1
                                 if v2 in f_verts: repeated_verts += 1
                                 if related_verts_in_common[0] in f_verts: repeated_verts += 1
-                                
+
                                 if repeated_verts == len(f_verts):
                                     repeated_face = True
                                     break
-                        
+
                         if not repeated_face:
                             faces_verts_idx.append([v1, related_verts_in_common[0], v2])
-                
-        
+
+
         #### Keep only the faces that don't overlap by ignoring quads that overlap with two adjacent triangles.
         faces_to_not_include_idx = [] # Indices of faces_verts_idx to eliminate.
         for i in range(len(faces_verts_idx)):
             for t in range(len(faces_verts_idx)):
                 if i != t:
                     verts_in_common = 0
-                    
+
                     if len(faces_verts_idx[i]) == 4 and len(faces_verts_idx[t]) == 3:
                         for v_idx in faces_verts_idx[t]:
                             if v_idx in faces_verts_idx[i]:
                                 verts_in_common += 1
-                                
+
                         if verts_in_common == 3: # If it doesn't have all it's vertices repeated in the other face.
                             if not i in faces_to_not_include_idx:
                                 faces_to_not_include_idx.append(i)
-        
-        
+
+
         #### Build surface.
         all_surface_verts_co = []
         verts_idx_translation = {}
         for i in range(len(final_points_ob.data.vertices)):
             coords = final_points_ob.data.vertices[i].co
             all_surface_verts_co.append([coords[0], coords[1], coords[2]])
-            
+
         # Verts of each face.
         all_surface_faces = []
         for i in range(len(faces_verts_idx)):
@@ -1533,99 +1531,99 @@ class GPENCIL_OT_SURFSK_add_surface(bpy.types.Operator):
                 face = []
                 for v_idx in faces_verts_idx[i]:
                     face.append(v_idx)
-                
+
                 all_surface_faces.append(face)
-        
+
         # Build the mesh.
         surf_me_name = "SURFSKIO_surface"
         me_surf = bpy.data.meshes.new(surf_me_name)
-        
+
         me_surf.from_pydata(all_surface_verts_co, [], all_surface_faces)
-        
+
         me_surf.update()
-        
+
         ob_surface = bpy.data.objects.new(surf_me_name, me_surf)
         bpy.context.scene.objects.link(ob_surface)
-        
+
         # Delete final points temporal object
         bpy.ops.object.select_all('INVOKE_REGION_WIN', action='DESELECT')
         bpy.data.objects[final_points_ob.name].select = True
         bpy.context.scene.objects.active = bpy.data.objects[final_points_ob.name]
-        
+
         bpy.ops.object.delete()
-        
-        
+
+
         # Delete isolated verts if there are any.
         bpy.ops.object.select_all('INVOKE_REGION_WIN', action='DESELECT')
         bpy.data.objects[ob_surface.name].select = True
         bpy.context.scene.objects.active = bpy.data.objects[ob_surface.name]
-        
+
         bpy.ops.object.editmode_toggle('INVOKE_REGION_WIN')
         bpy.ops.mesh.select_all(action='DESELECT')
         bpy.ops.mesh.select_face_by_sides(type='NOTEQUAL')
         bpy.ops.mesh.delete()
         bpy.ops.object.editmode_toggle('INVOKE_REGION_WIN')
-        
-        
-        
+
+
+
         #### Join crosshatch results with original mesh.
-        
+
         # Calculate a distance to merge the verts of the crosshatch surface to the main object.
         edges_length_sum = 0
         for ed in ob_surface.data.edges:
             edges_length_sum += (ob_surface.data.vertices[ed.vertices[0]].co - ob_surface.data.vertices[ed.vertices[1]].co).length
-        
+
         if len(ob_surface.data.edges) > 0:
             average_surface_edges_length = edges_length_sum / len(ob_surface.data.edges)
         else:
             average_surface_edges_length = 0.0001
-        
+
         # Make dictionary with all the verts connected to each vert, on the new surface object.
         surface_connected_verts = {}
         for ed in ob_surface.data.edges:
             if not ed.vertices[0] in surface_connected_verts:
                 surface_connected_verts[ed.vertices[0]] = []
-                
+
             surface_connected_verts[ed.vertices[0]].append(ed.vertices[1])
-            
-            
+
+
             if not ed.vertices[1] in surface_connected_verts:
                 surface_connected_verts[ed.vertices[1]] = []
-                
+
             surface_connected_verts[ed.vertices[1]].append(ed.vertices[0])
-            
-        
-        
+
+
+
         # Duplicate the new surface object, and use shrinkwrap to calculate later the nearest verts to the main object.
         bpy.ops.object.editmode_toggle('INVOKE_REGION_WIN')
         bpy.ops.mesh.select_all('INVOKE_REGION_WIN', action='DESELECT')
         bpy.ops.object.editmode_toggle('INVOKE_REGION_WIN')
-        
+
         bpy.ops.object.duplicate('INVOKE_REGION_WIN')
-        
+
         final_ob_duplicate = bpy.context.scene.objects.active
-        
+
         bpy.ops.object.modifier_add('INVOKE_REGION_WIN', type='SHRINKWRAP')
         final_ob_duplicate.modifiers["Shrinkwrap"].wrap_method = "NEAREST_VERTEX"
         final_ob_duplicate.modifiers["Shrinkwrap"].target = self.main_object
-        
+
         bpy.ops.object.modifier_apply('INVOKE_REGION_WIN', apply_as='DATA', modifier='Shrinkwrap')
-        
-        
+
+
         # Make list with verts of original mesh as index and coords as value.
         main_object_verts_coords = []
         for v in self.main_object.data.vertices:
             coords = self.main_object.matrix_world * v.co
-            
+
             for c in range(len(coords)): # To avoid problems when taking "-0.00" as a different value as "0.00".
                 if "%.3f" % coords[c] == "-0.00":
                     coords[c] = 0
-                        
+
             main_object_verts_coords.append(["%.3f" % coords[0], "%.3f" % coords[1], "%.3f" % coords[2]])
-        
+
         tuple(main_object_verts_coords)
-        
-        
+
+
         # Determine which verts will be merged, snap them to the nearest verts on the original verts, and get them selected.
         crosshatch_verts_to_merge = []
         if self.automatic_join:
@@ -1637,89 +1635,89 @@ class GPENCIL_OT_SURFSK_add_surface(bpy.types.Operator):
                         points_original = []
                         points_original.append(ob_surface.data.vertices[c_v_idx].co)
                         points_original.append(ob_surface.data.vertices[i].co)
-                        
+
                         points_target = []
                         points_target.append(ob_surface.data.vertices[c_v_idx].co)
                         points_target.append(final_ob_duplicate.data.vertices[i].co)
-                        
+
                         vec_A = points_original[0] - points_original[1]
                         vec_B = points_target[0] - points_target[1]
-                        
+
                         dist_A = (points_original[0] - points_original[1]).length
                         dist_B = (points_target[0] - points_target[1]).length
-                        
-                        
+
+
                         if not (points_original[0] == points_original[1] or points_target[0] == points_target[1]): # If any vector's length is zero.
                             angle = vec_A.angle(vec_B) / math.pi
                         else:
                             angle= 0
-                        
-                        
+
+
                         if dist_B > dist_A * 1.7 * self.join_stretch_factor or dist_B < dist_A / 2 / self.join_stretch_factor or angle >= 0.15 * self.join_stretch_factor: # Set a range of acceptable variation in the connected edges.
                             merge_actual_vert = False
                             break
                 else:
                     merge_actual_vert = False
-                    
-                    
+
+
                 if merge_actual_vert:
                     coords = final_ob_duplicate.data.vertices[i].co
-                    
+
                     for c in range(len(coords)): # To avoid problems when taking "-0.000" as a different value as "0.00".
                         if "%.3f" % coords[c] == "-0.00":
                             coords[c] = 0
-                        
+
                     comparison_coords = ["%.3f" % coords[0], "%.3f" % coords[1], "%.3f" % coords[2]]
-                    
-                    
+
+
                     if comparison_coords in main_object_verts_coords:
                         main_object_related_vert_idx = main_object_verts_coords.index(comparison_coords) # Get the index of the vert with those coords in the main object.
-                        
+
                         if self.main_object.data.vertices[main_object_related_vert_idx].select == True or self.main_object_selected_verts_count == 0:
                             ob_surface.data.vertices[i].co = final_ob_duplicate.data.vertices[i].co
                             ob_surface.data.vertices[i].select = True
                             crosshatch_verts_to_merge.append(i)
-                            
+
                             # Make sure the vert in the main object is selected, in case it wasn't selected and the "join crosshatch" option is active.
                             self.main_object.data.vertices[main_object_related_vert_idx].select = True
-        
-        
-        
-        
+
+
+
+
         # Delete duplicated object.
         bpy.ops.object.select_all('INVOKE_REGION_WIN', action='DESELECT')
         bpy.data.objects[final_ob_duplicate.name].select = True
         bpy.context.scene.objects.active = bpy.data.objects[final_ob_duplicate.name]
         bpy.ops.object.delete()
-        
-        
+
+
         # Join crosshatched surface and main object.
         bpy.ops.object.select_all('INVOKE_REGION_WIN', action='DESELECT')
         bpy.data.objects[ob_surface.name].select = True
         bpy.data.objects[self.main_object.name].select = True
         bpy.context.scene.objects.active = bpy.data.objects[self.main_object.name]
-        
+
         bpy.ops.object.join('INVOKE_REGION_WIN')
-        
+
         bpy.ops.object.editmode_toggle('INVOKE_REGION_WIN')
         # Perform Remove doubles to merge verts.
         if not (self.automatic_join == False and self.main_object_selected_verts_count == 0):
             bpy.ops.mesh.remove_doubles(threshold=0.0001)
-        
+
         bpy.ops.mesh.select_all(action='DESELECT')
-        
-        
+
+
         #### If the main object has modifiers, turn their "viewport view status" to what it was before the forced deactivation above.
         if len(self.main_object.modifiers) > 0:
             for m_idx in range(len(self.main_object.modifiers)):
                 self.main_object.modifiers[m_idx].show_viewport = self.modifiers_prev_viewport_state[m_idx]
-            
-            
-        
+
+
+
         return{'FINISHED'}
-        
-        
-    
+
+
+
     def rectangular_surface(self):
         #### Selected edges.
         all_selected_edges_idx = []
@@ -1728,36 +1726,36 @@ class GPENCIL_OT_SURFSK_add_surface(bpy.types.Operator):
         for ed in self.main_object.data.edges:
             if ed.select:
                 all_selected_edges_idx.append(ed.index)
-                
+
                 # Selected vertices.
                 if not ed.vertices[0] in all_selected_verts:
                     all_selected_verts.append(self.main_object.data.vertices[ed.vertices[0]])
                 if not ed.vertices[1] in all_selected_verts:
                     all_selected_verts.append(self.main_object.data.vertices[ed.vertices[1]])
-                    
+
                 # All verts (both from each edge) to determine later which are at the tips (those not repeated twice).
                 all_verts_idx.append(ed.vertices[0])
                 all_verts_idx.append(ed.vertices[1])
-        
-        
-        
+
+
+
         #### Identify the tips and "middle-vertex" that separates U from V, if there is one.
         all_chains_tips_idx = []
         for v_idx in all_verts_idx:
             if all_verts_idx.count(v_idx) < 2:
                 all_chains_tips_idx.append(v_idx)
-        
-        
-        
+
+
+
         edges_connected_to_tips = []
         for ed in self.main_object.data.edges:
             if (ed.vertices[0] in all_chains_tips_idx or ed.vertices[1] in all_chains_tips_idx) and not (ed.vertices[0] in all_verts_idx and ed.vertices[1] in all_verts_idx):
                 edges_connected_to_tips.append(ed)
-        
-        
+
+
         #### Check closed selections.
         single_unselected_verts_and_neighbors = [] # List with groups of three verts, where the first element of the pair is the unselected vert of a closed selection and the other two elements are the selected neighbor verts (it will be useful to determine which selection chain the unselected vert belongs to, and determine the "middle-vertex")
-        
+
         # To identify a "closed" selection (a selection that is a closed chain except for one vertex) find the vertex in common that have the edges connected to tips. If there is a vertex in common, that one is the unselected vert that closes the selection or is a "middle-vertex".
         single_unselected_verts = []
         for ed in edges_connected_to_tips:
@@ -1779,20 +1777,20 @@ class GPENCIL_OT_SURFSK_add_surface(bpy.types.Operator):
                         single_unselected_verts_and_neighbors.append([ed.vertices[1], ed.vertices[0], ed_b.vertices[0]])
                         single_unselected_verts.append(ed.vertices[1])
                         break
-        
-        
+
+
         middle_vertex_idx = None
         tips_to_discard_idx = []
         # Check if there is a "middle-vertex", and get its index.
         for i in range(0, len(single_unselected_verts_and_neighbors)):
             actual_chain_verts = self.get_ordered_verts(self.main_object, all_selected_edges_idx, all_verts_idx, single_unselected_verts_and_neighbors[i][1], None, None)
-            
+
             if single_unselected_verts_and_neighbors[i][2] != actual_chain_verts[len(actual_chain_verts) - 1].index:
                 middle_vertex_idx = single_unselected_verts_and_neighbors[i][0]
                 tips_to_discard_idx.append(single_unselected_verts_and_neighbors[i][1])
                 tips_to_discard_idx.append(single_unselected_verts_and_neighbors[i][2])
-            
-            
+
+
         #### List with pairs of verts that belong to the tips of each selection chain (row).
         verts_tips_same_chain_idx = []
         if len(all_chains_tips_idx) >= 2:
@@ -1800,21 +1798,21 @@ class GPENCIL_OT_SURFSK_add_surface(bpy.types.Operator):
             for i in range(0, len(all_chains_tips_idx)):
                 if all_chains_tips_idx[i] not in checked_v:
                     v_chain = self.get_ordered_verts(self.main_object, all_selected_edges_idx, all_verts_idx, all_chains_tips_idx[i], middle_vertex_idx, None)
-                    
+
                     verts_tips_same_chain_idx.append([v_chain[0].index, v_chain[len(v_chain) - 1].index])
-                    
+
                     checked_v.append(v_chain[0].index)
                     checked_v.append(v_chain[len(v_chain) - 1].index)
-        
-        
+
+
         #### Selection tips (vertices).
         verts_tips_parsed_idx = []
         if len(all_chains_tips_idx) >= 2:
             for spec_v_idx in all_chains_tips_idx:
                 if (spec_v_idx not in tips_to_discard_idx):
                     verts_tips_parsed_idx.append(spec_v_idx)
-        
-    
+
+
         #### Identify the type of selection made by the user.
         if middle_vertex_idx != None:
             if len(all_chains_tips_idx) == 4 and len(single_unselected_verts_and_neighbors) == 1: # If there are 4 tips (two selection chains), and there is only one single unselected vert (the middle vert).
@@ -1825,7 +1823,7 @@ class GPENCIL_OT_SURFSK_add_surface(bpy.types.Operator):
                 bpy.ops.object.editmode_toggle('INVOKE_REGION_WIN')
                 self.cleanup_on_interruption()
                 self.stopping_errors = True
-                
+
                 return{'CANCELLED'}
         else:
             if len(all_chains_tips_idx) == 2: # If there are 2 tips
@@ -1841,39 +1839,39 @@ class GPENCIL_OT_SURFSK_add_surface(bpy.types.Operator):
                     bpy.ops.object.editmode_toggle('INVOKE_REGION_WIN')
                     self.cleanup_on_interruption()
                     self.stopping_errors = True
-                    
+
                     return{'CANCELLED'}
             else:
                 # The type of the selection was not identified, the script stops.
                 self.report({'WARNING'}, "The selection isn't valid.")
-                
+
                 bpy.ops.object.editmode_toggle('INVOKE_REGION_WIN')
                 self.cleanup_on_interruption()
-                
+
                 self.stopping_errors = True
-                
+
                 return{'CANCELLED'}
-        
-        
-        
+
+
+
         #### If the selection type is TWO_NOT_CONNECTED and there is only one stroke, stop the script.
         if selection_type == "TWO_NOT_CONNECTED" and len(self.main_splines.data.splines) == 1:
             self.report({'WARNING'}, "At least two strokes are needed when there are two not connected selections.")
             bpy.ops.object.editmode_toggle('INVOKE_REGION_WIN')
             self.cleanup_on_interruption()
             self.stopping_errors = True
-            
+
             return{'CANCELLED'}
-        
-        
-        
+
+
+
         bpy.ops.object.editmode_toggle('INVOKE_REGION_WIN')
-        
+
         bpy.ops.object.select_all('INVOKE_REGION_WIN', action='DESELECT')
         bpy.data.objects[self.main_splines.name].select = True
         bpy.context.scene.objects.active = bpy.context.scene.objects[self.main_splines.name]
-        
-        
+
+
         #### Enter editmode for the new curve (converted from grease pencil strokes), to smooth it out.
         bpy.ops.object.editmode_toggle('INVOKE_REGION_WIN')
         bpy.ops.curve.smooth('INVOKE_REGION_WIN')
@@ -1883,52 +1881,52 @@ class GPENCIL_OT_SURFSK_add_surface(bpy.types.Operator):
         bpy.ops.curve.smooth('INVOKE_REGION_WIN')
         bpy.ops.curve.smooth('INVOKE_REGION_WIN')
         bpy.ops.object.editmode_toggle('INVOKE_REGION_WIN')
-        
-        
+
+
         self.selection_U_exists = False
         self.selection_U2_exists = False
         self.selection_V_exists = False
         self.selection_V2_exists = False
-        
+
         self.selection_U_is_closed = False
         self.selection_U2_is_closed = False
         self.selection_V_is_closed = False
         self.selection_V2_is_closed = False
-        
+
         #### Define what vertices are at the tips of each selection and are not the middle-vertex.
         if selection_type == "TWO_CONNECTED":
             self.selection_U_exists = True
             self.selection_V_exists = True
-            
+
             closing_vert_U_idx = None
             closing_vert_V_idx = None
             closing_vert_U2_idx = None
             closing_vert_V2_idx = None
-            
+
             # Determine which selection is Selection-U and which is Selection-V.
             points_A = []
             points_B = []
             points_first_stroke_tips = []
-            
+
             points_A.append(self.main_object.matrix_world * self.main_object.data.vertices[verts_tips_parsed_idx[0]].co)
             points_A.append(self.main_object.matrix_world * self.main_object.data.vertices[middle_vertex_idx].co)
-            
+
             points_B.append(self.main_object.matrix_world * self.main_object.data.vertices[verts_tips_parsed_idx[1]].co)
             points_B.append(self.main_object.matrix_world * self.main_object.data.vertices[middle_vertex_idx].co)
-            
+
             points_first_stroke_tips.append(self.main_splines.data.splines[0].bezier_points[0].co)
             points_first_stroke_tips.append(self.main_splines.data.splines[0].bezier_points[len(self.main_splines.data.splines[0].bezier_points) - 1].co)
-            
+
             angle_A = self.orientation_difference(points_A, points_first_stroke_tips)
             angle_B = self.orientation_difference(points_B, points_first_stroke_tips)
-            
+
             if angle_A < angle_B:
                 first_vert_U_idx = verts_tips_parsed_idx[0]
                 first_vert_V_idx = verts_tips_parsed_idx[1]
             else:
                 first_vert_U_idx = verts_tips_parsed_idx[1]
                 first_vert_V_idx = verts_tips_parsed_idx[0]
-                
+
         elif selection_type == "SINGLE" or selection_type == "TWO_NOT_CONNECTED":
             first_sketched_point_first_stroke_co = self.main_splines.data.splines[0].bezier_points[0].co
             last_sketched_point_first_stroke_co = self.main_splines.data.splines[0].bezier_points[len(self.main_splines.data.splines[0].bezier_points) - 1].co
@@ -1936,57 +1934,57 @@ class GPENCIL_OT_SURFSK_add_surface(bpy.types.Operator):
             if len(self.main_splines.data.splines) > 1:
                 first_sketched_point_second_stroke_co = self.main_splines.data.splines[1].bezier_points[0].co
                 last_sketched_point_second_stroke_co = self.main_splines.data.splines[1].bezier_points[len(self.main_splines.data.splines[1].bezier_points) - 1].co
-            
-            
+
+
             single_unselected_neighbors = [] # Only the neighbors of the single unselected verts.
             for verts_neig_idx in single_unselected_verts_and_neighbors:
                 single_unselected_neighbors.append(verts_neig_idx[1])
                 single_unselected_neighbors.append(verts_neig_idx[2])
-            
-            
+
+
             all_chains_tips_and_middle_vert = []
             for v_idx in all_chains_tips_idx:
                 if v_idx not in single_unselected_neighbors:
                     all_chains_tips_and_middle_vert.append(v_idx)
-                    
-            
+
+
             all_chains_tips_and_middle_vert += single_unselected_verts
-            
+
             all_participating_verts = all_chains_tips_and_middle_vert + all_verts_idx
-            
+
             # The tip of the selected vertices nearest to the first point of the first sketched stroke.
             nearest_tip_to_first_st_first_pt_idx, shortest_distance_to_first_stroke = self.shortest_distance(self.main_object, first_sketched_point_first_stroke_co, all_chains_tips_and_middle_vert)
             # If the nearest tip is not from a closed selection, get the opposite tip vertex index.
             if nearest_tip_to_first_st_first_pt_idx not in single_unselected_verts or nearest_tip_to_first_st_first_pt_idx == middle_vertex_idx:
                 nearest_tip_to_first_st_first_pt_opposite_idx = self.opposite_tip(nearest_tip_to_first_st_first_pt_idx, verts_tips_same_chain_idx)
-            
+
             # The tip of the selected vertices nearest to the last point of the first sketched stroke.
             nearest_tip_to_first_st_last_pt_idx, temp_dist = self.shortest_distance(self.main_object, last_sketched_point_first_stroke_co, all_chains_tips_and_middle_vert)
-            
+
             # The tip of the selected vertices nearest to the first point of the last sketched stroke.
             nearest_tip_to_last_st_first_pt_idx, shortest_distance_to_last_stroke = self.shortest_distance(self.main_object, first_sketched_point_last_stroke_co, all_chains_tips_and_middle_vert)
-            
+
             if len(self.main_splines.data.splines) > 1:
                 # The selected vertex nearest to the first point of the second sketched stroke. (This will be useful to determine the direction of the closed selection V when extruding along strokes)
                 nearest_vert_to_second_st_first_pt_idx, temp_dist = self.shortest_distance(self.main_object, first_sketched_point_second_stroke_co, all_verts_idx)
-                
+
                 # The selected vertex nearest to the first point of the second sketched stroke. (This will be useful to determine the direction of the closed selection V2 when extruding along strokes)
                 nearest_vert_to_second_st_last_pt_idx, temp_dist = self.shortest_distance(self.main_object, last_sketched_point_second_stroke_co, all_verts_idx)
-            
-            
-            
+
+
+
             # Determine if the single selection will be treated as U or as V.
             edges_sum = 0
             for i in all_selected_edges_idx:
                 edges_sum += ((self.main_object.matrix_world * self.main_object.data.vertices[self.main_object.data.edges[i].vertices[0]].co) - (self.main_object.matrix_world * self.main_object.data.vertices[self.main_object.data.edges[i].vertices[1]].co)).length
-                
+
             average_edge_length = edges_sum / len(all_selected_edges_idx)
-            
-            
+
+
             # Get shortest distance from the first point of the last stroke to any participating vertex.
             temp_idx, shortest_distance_to_last_stroke = self.shortest_distance(self.main_object, first_sketched_point_last_stroke_co, all_participating_verts)
-            
-            
+
+
             if shortest_distance_to_first_stroke < average_edge_length / 4 and shortest_distance_to_last_stroke < average_edge_length and len(self.main_splines.data.splines) > 1: # If the beginning of the first stroke is near enough, and its orientation difference with the first edge of the nearest selection chain is not too high, interpret things as an "extrude along strokes" instead of "extrude through strokes"
                 self.selection_U_exists = False
                 self.selection_V_exists = True
@@ -1997,17 +1995,17 @@ class GPENCIL_OT_SURFSK_add_surface(bpy.types.Operator):
                     closing_vert_U2_idx = None
                     closing_vert_V_idx = None
                     closing_vert_V2_idx = None
-                    
+
                     first_vert_V_idx = nearest_tip_to_first_st_first_pt_idx
-                    
+
                     if selection_type == "TWO_NOT_CONNECTED":
                         self.selection_V2_exists = True
-                        
+
                         first_vert_V2_idx = nearest_tip_to_first_st_last_pt_idx
                 else:
                     self.selection_V_is_closed = True
                     closing_vert_V_idx = nearest_tip_to_first_st_first_pt_idx
-                    
+
                     # Get the neighbors of the first (unselected) vert of the closed selection U.
                     vert_neighbors = []
                     for verts in single_unselected_verts_and_neighbors:
@@ -2015,9 +2013,9 @@ class GPENCIL_OT_SURFSK_add_surface(bpy.types.Operator):
                             vert_neighbors.append(verts[1])
                             vert_neighbors.append(verts[2])
                             break
-                    
+
                     verts_V = self.get_ordered_verts(self.main_object, all_selected_edges_idx, all_verts_idx, vert_neighbors[0], middle_vertex_idx, None)
-                    
+
                     for i in range(0, len(verts_V)):
                         if verts_V[i].index == nearest_vert_to_second_st_first_pt_idx:
                             if i >= len(verts_V) / 2: # If the vertex nearest to the first point of the second stroke is in the first half of the selected verts.
@@ -2026,23 +2024,23 @@ class GPENCIL_OT_SURFSK_add_surface(bpy.types.Operator):
                             else:
                                 first_vert_V_idx = vert_neighbors[0]
                                 break
-                    
-                    
-                    
+
+
+
                 if selection_type == "TWO_NOT_CONNECTED":
                     self.selection_V2_exists = True
-                    
+
                     if nearest_tip_to_first_st_last_pt_idx not in single_unselected_verts or nearest_tip_to_first_st_last_pt_idx == middle_vertex_idx: # If the second selection is not closed.
                         self.selection_V2_is_closed = False
                         first_neighbor_V2_idx = None
                         closing_vert_V2_idx = None
-                        
+
                         first_vert_V2_idx = nearest_tip_to_first_st_last_pt_idx
-                        
+
                     else:
                         self.selection_V2_is_closed = True
                         closing_vert_V2_idx = nearest_tip_to_first_st_last_pt_idx
-                        
+
                         # Get the neighbors of the first (unselected) vert of the closed selection U.
                         vert_neighbors = []
                         for verts in single_unselected_verts_and_neighbors:
@@ -2050,10 +2048,10 @@ class GPENCIL_OT_SURFSK_add_surface(bpy.types.Operator):
                                 vert_neighbors.append(verts[1])
                                 vert_neighbors.append(verts[2])
                                 break
-                            
-                        
+
+
                         verts_V2 = self.get_ordered_verts(self.main_object, all_selected_edges_idx, all_verts_idx, vert_neighbors[0], middle_vertex_idx, None)
-                        
+
                         for i in range(0, len(verts_V2)):
                             if verts_V2[i].index == nearest_vert_to_second_st_last_pt_idx:
                                 if i >= len(verts_V2) / 2: # If the vertex nearest to the first point of the second stroke is in the first half of the selected verts.
@@ -2062,10 +2060,10 @@ class GPENCIL_OT_SURFSK_add_surface(bpy.types.Operator):
                                 else:
                                     first_vert_V2_idx = vert_neighbors[0]
                                     break
-                        
+
                 else:
                     self.selection_V2_exists = False
-                
+
             else:
                 self.selection_U_exists = True
                 self.selection_V_exists = False
@@ -2073,28 +2071,28 @@ class GPENCIL_OT_SURFSK_add_surface(bpy.types.Operator):
                     self.selection_U_is_closed = False
                     first_neighbor_U_idx = None
                     closing_vert_U_idx = None
-                    
+
                     points_tips = []
                     points_tips.append(self.main_object.matrix_world * self.main_object.data.vertices[nearest_tip_to_first_st_first_pt_idx].co)
                     points_tips.append(self.main_object.matrix_world * self.main_object.data.vertices[nearest_tip_to_first_st_first_pt_opposite_idx].co)
-                    
+
                     points_first_stroke_tips = []
                     points_first_stroke_tips.append(self.main_splines.data.splines[0].bezier_points[0].co)
                     points_first_stroke_tips.append(self.main_splines.data.splines[0].bezier_points[len(self.main_splines.data.splines[0].bezier_points) - 1].co)
-                    
+
                     vec_A = points_tips[0] - points_tips[1]
                     vec_B = points_first_stroke_tips[0] - points_first_stroke_tips[1]
-                    
+
                     # Compare the direction of the selection and the first grease pencil stroke to determine which is the "first" vertex of the selection.
                     if vec_A.dot(vec_B) < 0:
                         first_vert_U_idx = nearest_tip_to_first_st_first_pt_opposite_idx
                     else:
                         first_vert_U_idx = nearest_tip_to_first_st_first_pt_idx
-                        
+
                 else:
                     self.selection_U_is_closed = True
                     closing_vert_U_idx = nearest_tip_to_first_st_first_pt_idx
-                    
+
                     # Get the neighbors of the first (unselected) vert of the closed selection U.
                     vert_neighbors = []
                     for verts in single_unselected_verts_and_neighbors:
@@ -2102,40 +2100,40 @@ class GPENCIL_OT_SURFSK_add_surface(bpy.types.Operator):
                             vert_neighbors.append(verts[1])
                             vert_neighbors.append(verts[2])
                             break
-                    
+
                     points_first_and_neighbor = []
                     points_first_and_neighbor.append(self.main_object.matrix_world * self.main_object.data.vertices[nearest_tip_to_first_st_first_pt_idx].co)
                     points_first_and_neighbor.append(self.main_object.matrix_world * self.main_object.data.vertices[vert_neighbors[0]].co)
-                    
+
                     points_first_stroke_tips = []
                     points_first_stroke_tips.append(self.main_splines.data.splines[0].bezier_points[0].co)
                     points_first_stroke_tips.append(self.main_splines.data.splines[0].bezier_points[1].co)
-                    
+
                     vec_A = points_first_and_neighbor[0] - points_first_and_neighbor[1]
                     vec_B = points_first_stroke_tips[0] - points_first_stroke_tips[1]
-                    
+
                     # Compare the direction of the selection and the first grease pencil stroke to determine which is the vertex neighbor to the first vertex (unselected) of the closed selection. This will determine the direction of the closed selection.
                     if vec_A.dot(vec_B) < 0:
                         first_vert_U_idx = vert_neighbors[1]
                     else:
                         first_vert_U_idx = vert_neighbors[0]
-                
-                
-                
+
+
+
                 if selection_type == "TWO_NOT_CONNECTED":
                     self.selection_U2_exists = True
-                    
+
                     if nearest_tip_to_last_st_first_pt_idx not in single_unselected_verts or nearest_tip_to_last_st_first_pt_idx == middle_vertex_idx: # If the second selection is not closed.
                         self.selection_U2_is_closed = False
                         first_neighbor_U2_idx = None
                         closing_vert_U2_idx = None
-                        
+
                         first_vert_U2_idx = nearest_tip_to_last_st_first_pt_idx
-                        
+
                     else:
                         self.selection_U2_is_closed = True
                         closing_vert_U2_idx = nearest_tip_to_last_st_first_pt_idx
-                        
+
                         # Get the neighbors of the first (unselected) vert of the closed selection U.
                         vert_neighbors = []
                         for verts in single_unselected_verts_and_neighbors:
@@ -2143,127 +2141,127 @@ class GPENCIL_OT_SURFSK_add_surface(bpy.types.Operator):
                                 vert_neighbors.append(verts[1])
                                 vert_neighbors.append(verts[2])
                                 break
-                        
+
                         points_first_and_neighbor = []
                         points_first_and_neighbor.append(self.main_object.matrix_world * self.main_object.data.vertices[nearest_tip_to_last_st_first_pt_idx].co)
                         points_first_and_neighbor.append(self.main_object.matrix_world * self.main_object.data.vertices[vert_neighbors[0]].co)
-                        
+
                         points_last_stroke_tips = []
                         points_last_stroke_tips.append(self.main_splines.data.splines[len(self.main_splines.data.splines) - 1].bezier_points[0].co)
                         points_last_stroke_tips.append(self.main_splines.data.splines[len(self.main_splines.data.splines) - 1].bezier_points[1].co)
-                        
+
                         vec_A = points_first_and_neighbor[0] - points_first_and_neighbor[1]
                         vec_B = points_last_stroke_tips[0] - points_last_stroke_tips[1]
-                        
+
                         # Compare the direction of the selection and the last grease pencil stroke to determine which is the vertex neighbor to the first vertex (unselected) of the closed selection. This will determine the direction of the closed selection.
                         if vec_A.dot(vec_B) < 0:
                             first_vert_U2_idx = vert_neighbors[1]
                         else:
                             first_vert_U2_idx = vert_neighbors[0]
-                            
+
                 else:
                     self.selection_U2_exists = False
-                
+
         elif selection_type == "NO_SELECTION":
             self.selection_U_exists = False
             self.selection_V_exists = False
-        
-        
-        
+
+
+
         #### Get an ordered list of the vertices of Selection-U.
         verts_ordered_U = []
         if self.selection_U_exists:
             verts_ordered_U = self.get_ordered_verts(self.main_object, all_selected_edges_idx, all_verts_idx, first_vert_U_idx, middle_vertex_idx, closing_vert_U_idx)
             verts_ordered_U_indices = [x.index for x in verts_ordered_U]
-            
+
         #### Get an ordered list of the vertices of Selection-U2.
         verts_ordered_U2 = []
         if self.selection_U2_exists:
             verts_ordered_U2 = self.get_ordered_verts(self.main_object, all_selected_edges_idx, all_verts_idx, first_vert_U2_idx, middle_vertex_idx, closing_vert_U2_idx)
             verts_ordered_U2_indices = [x.index for x in verts_ordered_U2]
-        
+
         #### Get an ordered list of the vertices of Selection-V.
         verts_ordered_V = []
         if self.selection_V_exists:
             verts_ordered_V = self.get_ordered_verts(self.main_object, all_selected_edges_idx, all_verts_idx, first_vert_V_idx, middle_vertex_idx, closing_vert_V_idx)
             verts_ordered_V_indices = [x.index for x in verts_ordered_V]
-        
+
         #### Get an ordered list of the vertices of Selection-V2.
         verts_ordered_V2 = []
         if self.selection_V2_exists:
             verts_ordered_V2 = self.get_ordered_verts(self.main_object, all_selected_edges_idx, all_verts_idx, first_vert_V2_idx, middle_vertex_idx, closing_vert_V2_idx)
             verts_ordered_V2_indices = [x.index for x in verts_ordered_V2]
-        
-        
-        
+
+
+
         #### Check if when there are two-not-connected selections both have the same number of verts. If not terminate the script.
         if ((self.selection_U2_exists and len(verts_ordered_U) != len(verts_ordered_U2)) or (self.selection_V2_exists and len(verts_ordered_V) != len(verts_ordered_V2))):
             # Display a warning.
             self.report({'WARNING'}, "Both selections must have the same number of edges")
-            
+
             self.cleanup_on_interruption()
-            
+
             self.stopping_errors = True
-            
+
             return{'CANCELLED'}
-        
-        
-        
+
+
+
         #### Calculate edges U proportions.
-        
+
         # Sum selected edges U lengths.
         edges_lengths_U = []
         edges_lengths_sum_U = 0
-        
+
         if self.selection_U_exists:
             edges_lengths_U, edges_lengths_sum_U = self.get_chain_length(self.main_object, verts_ordered_U)
-            
+
         if self.selection_U2_exists:
             edges_lengths_U2, edges_lengths_sum_U2 = self.get_chain_length(self.main_object, verts_ordered_U2)
-        
+
         # Sum selected edges V lengths.
         edges_lengths_V = []
         edges_lengths_sum_V = 0
-        
+
         if self.selection_V_exists:
             edges_lengths_V, edges_lengths_sum_V = self.get_chain_length(self.main_object, verts_ordered_V)
-            
+
         if self.selection_V2_exists:
             edges_lengths_V2, edges_lengths_sum_V2 = self.get_chain_length(self.main_object, verts_ordered_V2)
-            
-        
+
+
         bpy.ops.object.editmode_toggle('INVOKE_REGION_WIN')
         bpy.ops.curve.subdivide('INVOKE_REGION_WIN', number_cuts = bpy.context.scene.SURFSK_precision)
         bpy.ops.object.editmode_toggle('INVOKE_REGION_WIN')
-        
-        
+
+
         # Proportions U.
         edges_proportions_U = []
         edges_proportions_U = self.get_edges_proportions(edges_lengths_U, edges_lengths_sum_U, self.selection_U_exists, self.edges_U)
         verts_count_U = len(edges_proportions_U) + 1
-        
+
         if self.selection_U2_exists:
             edges_proportions_U2 = []
             edges_proportions_U2 = self.get_edges_proportions(edges_lengths_U2, edges_lengths_sum_U2, self.selection_U2_exists, self.edges_V)
             verts_count_U2 = len(edges_proportions_U2) + 1
-        
+
         # Proportions V.
         edges_proportions_V = []
         edges_proportions_V = self.get_edges_proportions(edges_lengths_V, edges_lengths_sum_V, self.selection_V_exists, self.edges_V)
         verts_count_V = len(edges_proportions_V) + 1
-        
+
         if self.selection_V2_exists:
             edges_proportions_V2 = []
             edges_proportions_V2 = self.get_edges_proportions(edges_lengths_V2, edges_lengths_sum_V2, self.selection_V2_exists, self.edges_V)
             verts_count_V2 = len(edges_proportions_V2) + 1
-            
-            
-        
-        
-        
-        
-        
-        
+
+
+
+
+
+
+
+
         #### Cyclic Follow: simplify sketched curves, make them Cyclic, and complete the actual sketched curves with a "closing segment".
         if self.cyclic_follow and not self.selection_V_exists and not ((self.selection_U_exists and not self.selection_U_is_closed) or (self.selection_U2_exists and not self.selection_U2_is_closed)):
             simplified_spline_coords = []
@@ -2275,310 +2273,310 @@ class GPENCIL_OT_SURFSK_add_surface(bpy.types.Operator):
                 simplified_curve.append(bpy.data.curves.new('SURFSKIO_simpl_crv', 'CURVE'))
                 ob_simplified_curve.append(bpy.data.objects.new('SURFSKIO_simpl_crv', simplified_curve[i]))
                 bpy.context.scene.objects.link(ob_simplified_curve[i])
-                
+
                 simplified_curve[i].dimensions = "3D"
-                
+
                 spline_coords = []
                 for bp in self.main_splines.data.splines[i].bezier_points:
                     spline_coords.append(bp.co)
-                
+
                 # Simplification.
                 simplified_spline_coords.append(self.simplify_spline(spline_coords, 5))
-                
+
                 # Get the coordinates of the first vert of the actual spline.
                 splines_first_v_co.append(simplified_spline_coords[i][0])
-                
-                
+
+
                 # Generate the spline.
                 spline = simplified_curve[i].splines.new('BEZIER')
                 spline.bezier_points.add(len(simplified_spline_coords[i]) - 1) # less one because one point is added when the spline is created.
                 for p in range(0, len(simplified_spline_coords[i])):
                     spline.bezier_points[p].co = simplified_spline_coords[i][p]
-                    
-                
+
+
                 spline.use_cyclic_u = True
-                
+
                 spline_bp_count = len(spline.bezier_points)
-                
+
                 bpy.ops.object.select_all('INVOKE_REGION_WIN', action='DESELECT')
                 bpy.data.objects[ob_simplified_curve[i].name].select = True
                 bpy.context.scene.objects.active = bpy.context.scene.objects[ob_simplified_curve[i].name]
-                
+
                 bpy.ops.object.editmode_toggle('INVOKE_REGION_WIN')
                 bpy.ops.curve.select_all('INVOKE_REGION_WIN', action='SELECT')
                 bpy.ops.curve.handle_type_set('INVOKE_REGION_WIN', type='AUTOMATIC')
                 bpy.ops.curve.select_all('INVOKE_REGION_WIN', action='DESELECT')
                 bpy.ops.object.editmode_toggle('INVOKE_REGION_WIN')
-                
-                
+
+
                 # Select the "closing segment", and subdivide it.
                 ob_simplified_curve[i].data.splines[0].bezier_points[0].select_control_point = True
                 ob_simplified_curve[i].data.splines[0].bezier_points[0].select_left_handle = True
                 ob_simplified_curve[i].data.splines[0].bezier_points[0].select_right_handle = True
-                
+
                 ob_simplified_curve[i].data.splines[0].bezier_points[spline_bp_count - 1].select_control_point = True
                 ob_simplified_curve[i].data.splines[0].bezier_points[spline_bp_count - 1].select_left_handle = True
                 ob_simplified_curve[i].data.splines[0].bezier_points[spline_bp_count - 1].select_right_handle = True
-                
+
                 bpy.ops.object.editmode_toggle('INVOKE_REGION_WIN')
                 segments = sqrt((ob_simplified_curve[i].data.splines[0].bezier_points[0].co - ob_simplified_curve[i].data.splines[0].bezier_points[spline_bp_count - 1].co).length / self.average_gp_segment_length)
                 for t in range(2):
                     bpy.ops.curve.subdivide('INVOKE_REGION_WIN', number_cuts = segments)
-                
-                
+
+
                 # Delete the other vertices and make it non-cyclic to keep only the needed verts of the "closing segment".
                 bpy.ops.curve.select_all(action = 'INVERT')
                 bpy.ops.curve.delete(type='VERT')
                 ob_simplified_curve[i].data.splines[0].use_cyclic_u = False
                 bpy.ops.object.editmode_toggle('INVOKE_REGION_WIN')
-                
-                
+
+
                 # Add the points of the "closing segment" to the original curve from grease pencil stroke.
                 first_new_index = len(self.main_splines.data.splines[i].bezier_points)
                 self.main_splines.data.splines[i].bezier_points.add(len(ob_simplified_curve[i].data.splines[0].bezier_points) - 1)
                 for t in range(1, len(ob_simplified_curve[i].data.splines[0].bezier_points)):
                     self.main_splines.data.splines[i].bezier_points[t - 1 + first_new_index].co = ob_simplified_curve[i].data.splines[0].bezier_points[t].co
-                
-                
+
+
                 # Delete the temporal curve.
                 bpy.ops.object.select_all('INVOKE_REGION_WIN', action='DESELECT')
                 bpy.data.objects[ob_simplified_curve[i].name].select = True
                 bpy.context.scene.objects.active = bpy.context.scene.objects[ob_simplified_curve[i].name]
-                
+
                 bpy.ops.object.delete()
-        
-        
-        
+
+
+
         #### Get the coords of the points distributed along the sketched strokes, with proportions-U of the first selection.
         pts_on_strokes_with_proportions_U = self.distribute_pts(self.main_splines.data.splines, edges_proportions_U)
-        
+
         sketched_splines_parsed = []
-        
+
         if self.selection_U2_exists:
             # Initialize the multidimensional list with the proportions of all the segments.
             proportions_loops_crossing_strokes = []
             for i in range(len(pts_on_strokes_with_proportions_U)):
                 proportions_loops_crossing_strokes.append([])
-                
+
                 for t in range(len(pts_on_strokes_with_proportions_U[0])):
                     proportions_loops_crossing_strokes[i].append(None)
-                    
-            
+
+
             # Calculate the proportions of each segment of the loops-U from pts_on_strokes_with_proportions_U.
             for lp in range(len(pts_on_strokes_with_proportions_U[0])):
                 loop_segments_lengths = []
-                
+
                 for st in range(len(pts_on_strokes_with_proportions_U)):
                     if st == 0: # When on the first stroke, add the segment from the selection to the dirst stroke.
                         loop_segments_lengths.append(((self.main_object.matrix_world * verts_ordered_U[lp].co) - pts_on_strokes_with_proportions_U[0][lp]).length)
-                        
+
                     if st != len(pts_on_strokes_with_proportions_U) - 1: # For all strokes except for the last, calculate the distance from the actual stroke to the next.
                         loop_segments_lengths.append((pts_on_strokes_with_proportions_U[st][lp] - pts_on_strokes_with_proportions_U[st + 1][lp]).length)
-                    
+
                     if st == len(pts_on_strokes_with_proportions_U) - 1: # When on the last stroke, add the segments from the last stroke to the second selection.
                         loop_segments_lengths.append((pts_on_strokes_with_proportions_U[st][lp] - (self.main_object.matrix_world * verts_ordered_U2[lp].co)).length)
-                
+
                 # Calculate full loop length.
                 loop_seg_lengths_sum = 0
                 for i in range(len(loop_segments_lengths)):
                     loop_seg_lengths_sum += loop_segments_lengths[i]
-                    
+
                 # Fill the multidimensional list with the proportions of all the segments.
                 for st in range(len(pts_on_strokes_with_proportions_U)):
                     proportions_loops_crossing_strokes[st][lp] = loop_segments_lengths[st] / loop_seg_lengths_sum
-                    
-            
+
+
             # Calculate proportions for each stroke.
             for st in range(len(pts_on_strokes_with_proportions_U)):
                 actual_stroke_spline = []
                 actual_stroke_spline.append(self.main_splines.data.splines[st]) # Needs to be a list for the "distribute_pts" method.
-                
+
                 # Calculate the proportions for the actual stroke.
                 actual_edges_proportions_U = []
                 for i in range(len(edges_proportions_U)):
                     proportions_sum = 0
-                    
+
                     # Sum the proportions of this loop up to the actual.
                     for t in range(0, st + 1):
                         proportions_sum += proportions_loops_crossing_strokes[t][i]
-                        
+
                     actual_edges_proportions_U.append(edges_proportions_U[i] - ((edges_proportions_U[i] - edges_proportions_U2[i]) * proportions_sum))  # i + 1, because proportions_loops_crossing_strokes refers to loops, and the proportions refer to edges, so we start at the element 1 of proportions_loops_crossing_strokes instead of element 0.
-                
-                
+
+
                 points_actual_spline = self.distribute_pts(actual_stroke_spline, actual_edges_proportions_U)
                 sketched_splines_parsed.append(points_actual_spline[0])
-                
+
         else:
             sketched_splines_parsed = pts_on_strokes_with_proportions_U
-        
-        
-        
+
+
+
         #### If the selection type is "TWO_NOT_CONNECTED" replace the points of the last spline with the points in the "target" selection.
         if selection_type == "TWO_NOT_CONNECTED":
             if self.selection_U2_exists:
                 for i in range(0, len(sketched_splines_parsed[len(sketched_splines_parsed) - 1])):
                     sketched_splines_parsed[len(sketched_splines_parsed) - 1][i] = self.main_object.matrix_world * verts_ordered_U2[i].co
-        
-        
+
+
         #### Create temporary curves along the "control-points" found on the sketched curves and the mesh selection.
         mesh_ctrl_pts_name = "SURFSKIO_ctrl_pts"
         me = bpy.data.meshes.new(mesh_ctrl_pts_name)
         ob_ctrl_pts = bpy.data.objects.new(mesh_ctrl_pts_name, me)
         ob_ctrl_pts.data = me
         bpy.context.scene.objects.link(ob_ctrl_pts)
-        
-        
+
+
         cyclic_loops_U = []
         first_verts = []
         second_verts = []
         last_verts = []
         for i in range(0, verts_count_U):
             vert_num_in_spline = 1
-            
+
             if self.selection_U_exists:
                 ob_ctrl_pts.data.vertices.add(1)
                 last_v = ob_ctrl_pts.data.vertices[len(ob_ctrl_pts.data.vertices) - 1]
                 last_v.co = self.main_object.matrix_world * verts_ordered_U[i].co
-                
+
                 vert_num_in_spline += 1
-            
-            
+
+
             for t in range(0, len(sketched_splines_parsed)):
                 ob_ctrl_pts.data.vertices.add(1)
                 v = ob_ctrl_pts.data.vertices[len(ob_ctrl_pts.data.vertices) - 1]
                 v.co = sketched_splines_parsed[t][i]
-                
-                
+
+
                 if vert_num_in_spline > 1:
                     ob_ctrl_pts.data.edges.add(1)
                     ob_ctrl_pts.data.edges[len(ob_ctrl_pts.data.edges) - 1].vertices[0] = len(ob_ctrl_pts.data.vertices) - 2
                     ob_ctrl_pts.data.edges[len(ob_ctrl_pts.data.edges) - 1].vertices[1] = len(ob_ctrl_pts.data.vertices) - 1
-                
+
                 if t == 0:
                     first_verts.append(v.index)
-                    
+
                 if t == 1:
                     second_verts.append(v.index)
-                
+
                 if t == len(sketched_splines_parsed) - 1:
                     last_verts.append(v.index)
-                    
-                    
+
+
                 last_v = v
-                
+
                 vert_num_in_spline += 1
-        
-        
+
+
         bpy.ops.object.select_all('INVOKE_REGION_WIN', action='DESELECT')
         bpy.data.objects[ob_ctrl_pts.name].select = True
         bpy.context.scene.objects.active = bpy.data.objects[ob_ctrl_pts.name]
-        
+
         bpy.ops.object.editmode_toggle('INVOKE_REGION_WIN')
         bpy.ops.mesh.select_all(action='DESELECT')
         bpy.ops.object.editmode_toggle('INVOKE_REGION_WIN')
-        
-        
+
+
         #### Determine which loops-U will be "Cyclic".
         for i in range(0, len(first_verts)):
             if self.automatic_join and not self.cyclic_cross and selection_type != "TWO_CONNECTED" and len(self.main_splines.data.splines) >= 3: # When there is Cyclic Cross there is no need of Automatic Join, (and there are at least three strokes).
                 v = ob_ctrl_pts.data.vertices
-                
+
                 first_point_co = v[first_verts[i]].co
                 second_point_co = v[second_verts[i]].co
                 last_point_co = v[last_verts[i]].co
-                
+
                 # Coordinates of the point in the center of both the first and last verts.
                 verts_center_co = [(first_point_co[0] + last_point_co[0]) / 2, (first_point_co[1] + last_point_co[1]) / 2, (first_point_co[2] + last_point_co[2]) / 2]
-                
+
                 vec_A = second_point_co - first_point_co
                 vec_B = second_point_co - mathutils.Vector(verts_center_co)
-                
-                
+
+
                 # Calculate the length of the first segment of the loop, and the length it would have after moving the first vert to the middle position between first and last.
                 length_original = (second_point_co - first_point_co).length
                 length_target = (second_point_co - mathutils.Vector(verts_center_co)).length
-                
+
                 angle = vec_A.angle(vec_B) / math.pi
-                
-                
+
+
                 if length_target <= length_original * 1.03 * self.join_stretch_factor and angle <= 0.008 * self.join_stretch_factor and not self.selection_U_exists: # If the target length doesn't stretch too much, and the its angle doesn't change to much either.
                     cyclic_loops_U.append(True)
-                    
+
                     # Move the first vert to the center coordinates.
                     ob_ctrl_pts.data.vertices[first_verts[i]].co = verts_center_co
-                    
+
                     # Select the last verts from Cyclic loops, for later deletion all at once.
                     v[last_verts[i]].select = True
-                    
+
                 else:
                     cyclic_loops_U.append(False)
-                    
+
             else:
                 if self.cyclic_cross and not self.selection_U_exists and not ((self.selection_V_exists and not self.selection_V_is_closed) or (self.selection_V2_exists and not self.selection_V2_is_closed)): # If "Cyclic Cross" is active then "all" crossing curves become cyclic.
                     cyclic_loops_U.append(True)
                 else:
                     cyclic_loops_U.append(False)
-        
+
         # The cyclic_loops_U list needs to be reversed.
         cyclic_loops_U.reverse()
-        
+
         # Delete the previously selected (last_)verts.
         bpy.ops.object.editmode_toggle('INVOKE_REGION_WIN')
         bpy.ops.mesh.delete('INVOKE_REGION_WIN', type='VERT')
         bpy.ops.object.editmode_toggle('INVOKE_REGION_WIN')
-        
+
         # Create curves from control points.
         bpy.ops.object.convert('INVOKE_REGION_WIN', target='CURVE', keep_original=False)
         ob_curves_surf = bpy.context.scene.objects.active
         bpy.ops.object.editmode_toggle('INVOKE_REGION_WIN')
         bpy.ops.curve.spline_type_set('INVOKE_REGION_WIN', type='BEZIER')
         bpy.ops.curve.handle_type_set('INVOKE_REGION_WIN', type='AUTOMATIC')
-        
+
         # Make Cyclic the splines designated as Cyclic.
         for i in range(0, len(cyclic_loops_U)):
             ob_curves_surf.data.splines[i].use_cyclic_u = cyclic_loops_U[i]
-        
-        
+
+
         #### Get the coords of all points on first loop-U, for later comparison with its subdivided version, to know which points of the loops-U are crossed by the original strokes. The indices wiil be the same for the other loops-U.
         if self.loops_on_strokes:
             coords_loops_U_control_points = []
             for p in ob_ctrl_pts.data.splines[0].bezier_points:
                 coords_loops_U_control_points.append(["%.4f" % p.co[0], "%.4f" % p.co[1], "%.4f" % p.co[2]])
-            
+
             tuple(coords_loops_U_control_points)
-        
-        
+
+
         # Calculate number of edges-V in case option "Loops on strokes" is active or inactive.
         if self.loops_on_strokes and not self.selection_V_exists:
                 edges_V_count = len(self.main_splines.data.splines) * self.edges_V
         else:
             edges_V_count = len(edges_proportions_V)
-            
-        
+
+
         # The Follow precision will vary depending on the number of Follow face-loops.
         precision_multiplier = round(2 + (edges_V_count / 15))
-        
+
         curve_cuts = bpy.context.scene.SURFSK_precision * precision_multiplier
-        
+
         # Subdivide the curves.
         bpy.ops.curve.subdivide('INVOKE_REGION_WIN', number_cuts = curve_cuts)
-        
+
         # The verts position shifting that happens with splines subdivision. For later reorder splines points.
         verts_position_shift = curve_cuts + 1
-        
+
         bpy.ops.object.editmode_toggle('INVOKE_REGION_WIN')
-        
-        
+
+
         # Reorder coordinates of the points of each spline to put the first point of the spline starting at the position it was the first point before sudividing the curve. And make a new curve object per spline (to handle memory better later).
         splines_U_objects = []
         for i in range(len(ob_curves_surf.data.splines)):
             spline_U_curve = bpy.data.curves.new('SURFSKIO_spline_U_' + str(i), 'CURVE')
             ob_spline_U = bpy.data.objects.new('SURFSKIO_spline_U_' + str(i), spline_U_curve)
             bpy.context.scene.objects.link(ob_spline_U)
-            
+
             spline_U_curve.dimensions = "3D"
-            
-            
+
+
             # Add points to the spline in the new curve object.
             ob_spline_U.data.splines.new('BEZIER')
             for t in range(len(ob_curves_surf.data.splines[i].bezier_points)):
@@ -2589,29 +2587,29 @@ class GPENCIL_OT_SURFSK_add_surface(bpy.types.Operator):
                         point_index = t + verts_position_shift - len(ob_curves_surf.data.splines[i].bezier_points)
                 else:
                     point_index = t
-                
+
                 if t > 0: # to avoid adding the first point since it's added when the spline is created.
                     ob_spline_U.data.splines[0].bezier_points.add(1)
                 ob_spline_U.data.splines[0].bezier_points[t].co = ob_curves_surf.data.splines[i].bezier_points[point_index].co
-            
-            
+
+
             if cyclic_loops_U[i] == True and not self.selection_U_exists: # If the loop is cyclic.
                 # Add a last point at the same location as the first one.
                 ob_spline_U.data.splines[0].bezier_points.add(1)
                 ob_spline_U.data.splines[0].bezier_points[len(ob_spline_U.data.splines[0].bezier_points) - 1].co = ob_spline_U.data.splines[0].bezier_points[0].co
             else:
                 ob_spline_U.data.splines[0].use_cyclic_u = False
-            
-            
+
+
             splines_U_objects.append(ob_spline_U)
-            
-            
+
+
             bpy.ops.object.select_all('INVOKE_REGION_WIN', action='DESELECT')
             bpy.data.objects[ob_spline_U.name].select = True
             bpy.context.scene.objects.active = bpy.data.objects[ob_spline_U.name]
-            
-        
-        
+
+
+
         #### When option "Loops on strokes" is active each "Cross" loop will have its own proportions according to where the original strokes "touch" them.
         if self.loops_on_strokes:
             # Get the indices of points where the original strokes "touch" loops-U.
@@ -2620,37 +2618,37 @@ class GPENCIL_OT_SURFSK_add_surface(bpy.types.Operator):
                 bp = splines_U_objects[0].data.splines[0].bezier_points[i]
                 if ["%.4f" % bp.co[0], "%.4f" % bp.co[1], "%.4f" % bp.co[2]] in coords_loops_U_control_points:
                     points_U_crossed_by_strokes.append(i)
-            
+
             # Make a dictionary with the number of the edge, in the selected chain V, corresponding to each stroke.
             edge_order_number_for_splines = {}
             if self.selection_V_exists:
                 # For two-connected selections add a first hypothetic stroke at the begining.
                 if selection_type == "TWO_CONNECTED":
                     edge_order_number_for_splines[0] = 0
-                        
-                        
+
+
                 for i in range(len(self.main_splines.data.splines)):
                     sp = self.main_splines.data.splines[i]
                     v_idx, dist_temp = self.shortest_distance(self.main_object, sp.bezier_points[0].co, verts_ordered_V_indices)
-                    
+
                     edge_idx_in_chain = verts_ordered_V_indices.index(v_idx) # Get the position (edges count) of the vert v_idx in the selected chain V.
-                    
+
                     # For two-connected selections the strokes go after the hypothetic stroke added before, so the index adds one per spline.
                     if selection_type == "TWO_CONNECTED":
                         spline_number = i + 1
                     else:
                         spline_number = i
-                    
+
                     edge_order_number_for_splines[spline_number] = edge_idx_in_chain
-                    
-                    
+
+
                     # Get the first and last verts indices for later comparison.
                     if i == 0:
                         first_v_idx = v_idx
                     elif i == len(self.main_splines.data.splines) - 1:
                         last_v_idx = v_idx
-                        
-                
+
+
                 if self.selection_V_is_closed:
                     # If there is no last stroke on the last vertex (same as first vertex), add a hypothetic spline at last vert order.
                     if first_v_idx != last_v_idx:
@@ -2661,9 +2659,9 @@ class GPENCIL_OT_SURFSK_add_surface(bpy.types.Operator):
                             edge_order_number_for_splines[(len(self.main_splines.data.splines) - 1) + 1] = len(verts_ordered_V_indices) - 1
                         else:
                             edge_order_number_for_splines[len(self.main_splines.data.splines) - 1] = len(verts_ordered_V_indices) - 1
-                        
-                        
-        
+
+
+
         #### Get the coords of the points distributed along the "crossing curves", with appropriate proportions-V.
         surface_splines_parsed = []
         for i in range(len(splines_U_objects)):
@@ -2676,36 +2674,36 @@ class GPENCIL_OT_SURFSK_add_surface(bpy.types.Operator):
                 segments_distances = []
                 for t in range(len(sp_ob.data.splines[0].bezier_points)):
                     bp = sp_ob.data.splines[0].bezier_points[t]
-                    
+
                     if t == 0:
                         last_p = bp.co
                     else:
                         actual_p = bp.co
                         dist += (last_p - actual_p).length
-                        
+
                         if t in points_U_crossed_by_strokes:
                             segments_distances.append(dist)
                             full_dist += dist
-                            
+
                             dist = 0
-                        
+
                         last_p = actual_p
-                
+
                 # Calculate Proportions.
                 used_edges_proportions_V = []
                 for t in range(len(segments_distances)):
                     if self.selection_V_exists:
                         if t == 0:
                             order_number_last_stroke = 0
-                        
+
                         segment_edges_length_V = 0
                         segment_edges_length_V2 = 0
                         for order in range(order_number_last_stroke, edge_order_number_for_splines[t + 1]):
                             segment_edges_length_V += edges_lengths_V[order]
                             if self.selection_V2_exists:
                                 segment_edges_length_V2 += edges_lengths_V2[order]
-                        
-                        
+
+
                         for order in range(order_number_last_stroke, edge_order_number_for_splines[t + 1]):
                             # Calculate each "sub-segment" (the ones between each stroke) length.
                             if self.selection_V2_exists:
@@ -2714,20 +2712,20 @@ class GPENCIL_OT_SURFSK_add_surface(bpy.types.Operator):
                             else:
                                 proportion_sub_seg = edges_lengths_V[order] / segment_edges_length_V
                                 sub_seg_dist = segments_distances[t] * proportion_sub_seg
-                                
+
                             used_edges_proportions_V.append(sub_seg_dist / full_dist)
-                            
+
                         order_number_last_stroke = edge_order_number_for_splines[t + 1]
-                        
+
                     else:
                         for c in range(self.edges_V):
                             # Calculate each "sub-segment" (the ones between each stroke) length.
-                            sub_seg_dist = segments_distances[t] / self.edges_V  
+                            sub_seg_dist = segments_distances[t] / self.edges_V
                             used_edges_proportions_V.append(sub_seg_dist / full_dist)
-                
+
                 actual_spline = self.distribute_pts(sp_ob.data.splines, used_edges_proportions_V)
                 surface_splines_parsed.append(actual_spline[0])
-                
+
             else:
                 if self.selection_V2_exists:
                     used_edges_proportions_V = []
@@ -2735,26 +2733,26 @@ class GPENCIL_OT_SURFSK_add_surface(bpy.types.Operator):
                         used_edges_proportions_V.append(edges_proportions_V2[p] - ((edges_proportions_V2[p] - edges_proportions_V[p]) / len(splines_U_objects) * i))
                 else:
                     used_edges_proportions_V = edges_proportions_V
-                
+
                 actual_spline = self.distribute_pts(sp_ob.data.splines, used_edges_proportions_V)
                 surface_splines_parsed.append(actual_spline[0])
-        
-        
-        
-        
+
+
+
+
         # Set the verts of the first and last splines to the locations of the respective verts in the selections.
         if self.selection_V_exists:
             for i in range(0, len(surface_splines_parsed[0])):
                 surface_splines_parsed[len(surface_splines_parsed) - 1][i] = self.main_object.matrix_world * verts_ordered_V[i].co
-        
+
         if selection_type == "TWO_NOT_CONNECTED":
             if self.selection_V2_exists:
                 for i in range(0, len(surface_splines_parsed[0])):
                     surface_splines_parsed[0][i] = self.main_object.matrix_world * verts_ordered_V2[i].co
-        
-        
-        
-        
+
+
+
+
         # When "Automatic join" option is active (and the selection type is not "TWO_CONNECTED"), merge the verts of the tips of the loops when they are "near enough".
         if self.automatic_join and selection_type != "TWO_CONNECTED":
             #### Join the tips of "Follow" loops that are near enough and must be "closed".
@@ -2763,226 +2761,226 @@ class GPENCIL_OT_SURFSK_add_surface(bpy.types.Operator):
                     sp = surface_splines_parsed
                     loop_segment_dist = (sp[0][i] - sp[1][i]).length
                     full_loop_dist = loop_segment_dist * self.edges_U
-                    
+
                     verts_middle_position_co = [(sp[0][i][0] + sp[len(sp) - 1][i][0]) / 2, (sp[0][i][1] + sp[len(sp) - 1][i][1]) / 2, (sp[0][i][2] + sp[len(sp) - 1][i][2]) / 2]
-                    
+
                     points_original = []
                     points_original.append(sp[1][i])
                     points_original.append(sp[0][i])
-                    
+
                     points_target = []
                     points_target.append(sp[1][i])
                     points_target.append(mathutils.Vector(verts_middle_position_co))
-                    
+
                     vec_A = points_original[0] - points_original[1]
                     vec_B = points_target[0] - points_target[1]
-                    
-                    
+
+
                     angle = vec_A.angle(vec_B) / math.pi
-                    
+
                     edge_new_length = (mathutils.Vector(verts_middle_position_co) - sp[1][i]).length
-                    
+
                     if edge_new_length <= loop_segment_dist * 1.5 * self.join_stretch_factor and angle < 0.25 * self.join_stretch_factor: # If after moving the verts to the middle point, the segment doesn't stretch too much.
                         if not (self.selection_U_exists and i == 0) and not (self.selection_U2_exists and i == len(surface_splines_parsed[0]) - 1): # Avoid joining when the actual loop must be merged with the original mesh.
                             # Change the coords of both verts to the middle position.
                             surface_splines_parsed[0][i] = verts_middle_position_co
                             surface_splines_parsed[len(surface_splines_parsed) - 1][i] = verts_middle_position_co
-                    
-        
-        
+
+
+
         #### Delete object with control points and object from grease pencil convertion.
         bpy.ops.object.select_all('INVOKE_REGION_WIN', action='DESELECT')
         bpy.data.objects[ob_ctrl_pts.name].select = True
         bpy.context.scene.objects.active = bpy.data.objects[ob_ctrl_pts.name]
-        
+
         bpy.ops.object.delete()
-        
-        
+
+
         for sp_ob in splines_U_objects:
             bpy.ops.object.select_all('INVOKE_REGION_WIN', action='DESELECT')
             bpy.data.objects[sp_ob.name].select = True
             bpy.context.scene.objects.active = bpy.data.objects[sp_ob.name]
-            
+
             bpy.ops.object.delete()
-            
-        
-        
-        
+
+
+
+
         #### Generate surface.
-        
+
         # Get all verts coords.
         all_surface_verts_co = []
         for i in range(0, len(surface_splines_parsed)):
             # Get coords of all verts and make a list with them
             for pt_co in surface_splines_parsed[i]:
                 all_surface_verts_co.append(pt_co)
-        
-        
+
+
         # Define verts for each face.
         all_surface_faces = []
         for i in range(0, len(all_surface_verts_co) - len(surface_splines_parsed[0])):
             if ((i + 1) / len(surface_splines_parsed[0]) != int((i + 1) / len(surface_splines_parsed[0]))):
                 all_surface_faces.append([i+1, i , i + len(surface_splines_parsed[0]), i + len(surface_splines_parsed[0]) + 1])
-        
-        
+
+
         # Build the mesh.
         surf_me_name = "SURFSKIO_surface"
         me_surf = bpy.data.meshes.new(surf_me_name)
-        
+
         me_surf.from_pydata(all_surface_verts_co, [], all_surface_faces)
-        
+
         me_surf.update()
-        
+
         ob_surface = bpy.data.objects.new(surf_me_name, me_surf)
         bpy.context.scene.objects.link(ob_surface)
-        
-        
+
+
         # Select all the "unselected but participating" verts, from closed selection or double selections with middle-vertex, for later join with remove doubles.
         for v_idx in single_unselected_verts:
             self.main_object.data.vertices[v_idx].select = True
-        
-        
+
+
         #### Join the new mesh to the main object.
         ob_surface.select = True
         self.main_object.select = True
         bpy.context.scene.objects.active = bpy.data.objects[self.main_object.name]
-        
+
         bpy.ops.object.join('INVOKE_REGION_WIN')
-        
+
         bpy.ops.object.editmode_toggle('INVOKE_REGION_WIN')
-        
+
         bpy.ops.mesh.remove_doubles('INVOKE_REGION_WIN', threshold=0.0001)
         bpy.ops.mesh.normals_make_consistent('INVOKE_REGION_WIN', inside=False)
         bpy.ops.mesh.select_all('INVOKE_REGION_WIN', action='DESELECT')
-        
-        
-        
+
+
+
         return{'FINISHED'}
-        
-        
-        
+
+
+
     def execute(self, context):
         bpy.context.user_preferences.edit.use_global_undo = False
-        
+
         if not self.is_fill_faces:
             bpy.ops.wm.context_set_value(data_path='tool_settings.mesh_select_mode', value='True, False, False')
-            
+
             # Build splines from the "last saved splines".
             last_saved_curve = bpy.data.curves.new('SURFSKIO_last_crv', 'CURVE')
             self.main_splines = bpy.data.objects.new('SURFSKIO_last_crv', last_saved_curve)
             bpy.context.scene.objects.link(self.main_splines)
-            
+
             last_saved_curve.dimensions = "3D"
-            
+
             for sp in self.last_strokes_splines_coords:
                 spline = self.main_splines.data.splines.new('BEZIER')
                 spline.bezier_points.add(len(sp) - 1) # less one because one point is added when the spline is created.
                 for p in range(0, len(sp)):
                     spline.bezier_points[p].co = [sp[p][0], sp[p][1], sp[p][2]]
-            
-            
+
+
             bpy.ops.object.editmode_toggle('INVOKE_REGION_WIN')
-            
+
             bpy.ops.object.select_all('INVOKE_REGION_WIN', action='DESELECT')
             bpy.data.objects[self.main_splines.name].select = True
             bpy.context.scene.objects.active = bpy.data.objects[self.main_splines.name]
-            
+
             bpy.ops.object.editmode_toggle('INVOKE_REGION_WIN')
-            
+
             bpy.ops.curve.select_all('INVOKE_REGION_WIN', action='SELECT')
             bpy.ops.curve.handle_type_set(type='VECTOR') # Important to make it vector first and then automatic, otherwise the tips handles get too big and distort the shrinkwrap results later.
             bpy.ops.curve.handle_type_set('INVOKE_REGION_WIN', type='AUTOMATIC')
             bpy.ops.curve.select_all('INVOKE_REGION_WIN', action='DESELECT')
             bpy.ops.object.editmode_toggle('INVOKE_REGION_WIN')
-            
-            
+
+
             self.main_splines.name = "SURFSKIO_temp_strokes"
-            
-            
+
+
             if self.is_crosshatch:
                 strokes_for_crosshatch = True
                 strokes_for_rectangular_surface = False
             else:
                 strokes_for_rectangular_surface = True
                 strokes_for_crosshatch = False
-            
-            
+
+
             bpy.ops.object.select_all('INVOKE_REGION_WIN', action='DESELECT')
             bpy.data.objects[self.main_object.name].select = True
             bpy.context.scene.objects.active = bpy.data.objects[self.main_object.name]
-            
+
             bpy.ops.object.editmode_toggle('INVOKE_REGION_WIN')
-            
-            
+
+
             if strokes_for_rectangular_surface:
                 self.rectangular_surface()
             elif strokes_for_crosshatch:
                 self.crosshatch_surface_execute()
-            
-            
+
+
             #### Delete main splines
             bpy.ops.object.editmode_toggle('INVOKE_REGION_WIN')
-            
+
             bpy.ops.object.select_all('INVOKE_REGION_WIN', action='DESELECT')
             bpy.data.objects[self.main_splines.name].select = True
             bpy.context.scene.objects.active = bpy.data.objects[self.main_splines.name]
-            
+
             bpy.ops.object.delete()
-            
+
             bpy.ops.object.select_all('INVOKE_REGION_WIN', action='DESELECT')
             bpy.data.objects[self.main_object.name].select = True
             bpy.context.scene.objects.active = bpy.data.objects[self.main_object.name]
-            
+
             bpy.ops.object.editmode_toggle('INVOKE_REGION_WIN')
-            
-            
+
+
             bpy.context.user_preferences.edit.use_global_undo = self.initial_global_undo_state
-            
+
         return{'FINISHED'}
-        
-        
-        
+
+
+
     def invoke(self, context, event):
         self.initial_global_undo_state = bpy.context.user_preferences.edit.use_global_undo
-        
+
         self.main_object = bpy.context.scene.objects.active
         self.main_object_selected_verts_count = int(self.main_object.data.total_vert_sel)
-        
-        
+
+
         bpy.context.user_preferences.edit.use_global_undo = False
-        
-        
+
+
         bpy.ops.wm.context_set_value(data_path='tool_settings.mesh_select_mode', value='True, False, False')
-        
+
         # Out Edit mode and In again to make sure the actual mesh selections are being taken.
         bpy.ops.object.editmode_toggle('INVOKE_REGION_WIN')
         bpy.ops.object.editmode_toggle('INVOKE_REGION_WIN')
-        
-        
-        
+
+
+
         self.cyclic_cross = bpy.context.scene.SURFSK_cyclic_cross
         self.cyclic_follow = bpy.context.scene.SURFSK_cyclic_follow
         self.automatic_join = bpy.context.scene.SURFSK_automatic_join
         self.loops_on_strokes = bpy.context.scene.SURFSK_loops_on_strokes
         self.keep_strokes = bpy.context.scene.SURFSK_keep_strokes
-        
+
         self.edges_U = 10
-        
+
         if self.loops_on_strokes:
             self.edges_V = 3
         else:
             self.edges_V = 10
-        
+
         self.is_fill_faces = False
-        
+
         self.stopping_errors = False
-        
+
         self.last_strokes_splines_coords = []
-        
-        
+
+
         #### Determine the type of the strokes.
         self.strokes_type = get_strokes_type(self.main_object)
-        
+
         #### Check if it will be used grease pencil strokes or curves.
         if self.strokes_type == "GP_STROKES" or self.strokes_type == "EXTERNAL_CURVE": # If there are strokes to be used.
             if self.strokes_type == "GP_STROKES":
@@ -3001,138 +2999,138 @@ class GPENCIL_OT_SURFSK_add_surface(bpy.types.Operator):
                     if ob != bpy.context.scene.objects.active:
                         self.original_curve = ob
                 self.using_external_curves = True
-                
+
                 bpy.ops.object.editmode_toggle('INVOKE_REGION_WIN')
-            
-            
+
+
             #### Make sure there are no objects left from erroneous executions of this operator, with the reserved names used here.
             for o in bpy.data.objects:
                 if o.name.find("SURFSKIO_") != -1:
                     bpy.ops.object.select_all('INVOKE_REGION_WIN', action='DESELECT')
                     bpy.data.objects[o.name].select = True
                     bpy.context.scene.objects.active = bpy.data.objects[o.name]
-                    
+
                     bpy.ops.object.delete()
-            
-            
+
+
             bpy.ops.object.select_all('INVOKE_REGION_WIN', action='DESELECT')
             bpy.data.objects[self.original_curve.name].select = True
             bpy.context.scene.objects.active = bpy.data.objects[self.original_curve.name]
-            
+
             bpy.ops.object.duplicate('INVOKE_REGION_WIN')
-            
-            
+
+
             self.temporary_curve = bpy.context.scene.objects.active
-            
-            
+
+
             # Deselect all points of the curve
             bpy.ops.object.editmode_toggle('INVOKE_REGION_WIN')
             bpy.ops.curve.select_all('INVOKE_REGION_WIN', action='DESELECT')
             bpy.ops.object.editmode_toggle('INVOKE_REGION_WIN')
-            
-            
-            
+
+
+
             # Delete splines with only a single isolated point.
             for i in range(len(self.temporary_curve.data.splines)):
                 sp = self.temporary_curve.data.splines[i]
-                
+
                 if len(sp.bezier_points) == 1:
                     sp.bezier_points[0].select_control_point = True
-            
+
             bpy.ops.object.editmode_toggle('INVOKE_REGION_WIN')
             bpy.ops.curve.delete(type='VERT')
             bpy.ops.object.editmode_toggle('INVOKE_REGION_WIN')
-            
-            
+
+
             bpy.ops.object.select_all('INVOKE_REGION_WIN', action='DESELECT')
             bpy.data.objects[self.temporary_curve.name].select = True
             bpy.context.scene.objects.active = bpy.data.objects[self.temporary_curve.name]
-            
+
             #### Set a minimum number of points for crosshatch
             minimum_points_num = 15
-            
+
             bpy.ops.object.editmode_toggle('INVOKE_REGION_WIN')
             # Check if the number of points of each curve has at least the number of points of minimum_points_num, which is a bit more than the face-loops limit. If not, subdivide to reach at least that number of ponts.
             for i in range(len(self.temporary_curve.data.splines)):
                 sp = self.temporary_curve.data.splines[i]
-                
+
                 if len(sp.bezier_points) < minimum_points_num:
                     for bp in sp.bezier_points:
                         bp.select_control_point = True
-                    
+
                     if (len(sp.bezier_points) - 1) != 0:
                         subdivide_cuts = int((minimum_points_num - len(sp.bezier_points)) / (len(sp.bezier_points) - 1)) + 1 # Formula to get the number of cuts that will make a curve of N number of points have near to "minimum_points_num" points, when subdividing with this number of cuts.
                     else:
                         subdivide_cuts = 0
-                        
-                    
+
+
                     bpy.ops.curve.subdivide('INVOKE_REGION_WIN', number_cuts = subdivide_cuts)
                     bpy.ops.curve.select_all('INVOKE_REGION_WIN', action='DESELECT')
-                    
+
             bpy.ops.object.editmode_toggle('INVOKE_REGION_WIN')
-            
-            
-            
+
+
+
             # Detect if the strokes are a crosshatch and do it if it is.
             self.crosshatch_surface_invoke(self.temporary_curve)
-            
-            
-            
+
+
+
             if not self.is_crosshatch:
                 bpy.ops.object.select_all('INVOKE_REGION_WIN', action='DESELECT')
                 bpy.data.objects[self.temporary_curve.name].select = True
                 bpy.context.scene.objects.active = bpy.data.objects[self.temporary_curve.name]
-                
+
                 bpy.ops.object.editmode_toggle('INVOKE_REGION_WIN')
-                
+
                 #### Set a minimum number of points for rectangular surfaces.
                 minimum_points_num = 60
-                
+
                 # Check if the number of points of each curve has at least the number of points of minimum_points_num, which is a bit more than the face-loops limit. If not, subdivide to reach at least that number of ponts.
                 for i in range(len(self.temporary_curve.data.splines)):
                     sp = self.temporary_curve.data.splines[i]
-                    
+
                     if len(sp.bezier_points) < minimum_points_num:
                         for bp in sp.bezier_points:
                             bp.select_control_point = True
-                        
+
                         if (len(sp.bezier_points) - 1) != 0:
                             subdivide_cuts = int((minimum_points_num - len(sp.bezier_points)) / (len(sp.bezier_points) - 1)) + 1 # Formula to get the number of cuts that will make a curve of N number of points have near to "minimum_points_num" points, when subdividing with this number of cuts.
                         else:
                             subdivide_cuts = 0
-                            
-                        
+
+
                         bpy.ops.curve.subdivide('INVOKE_REGION_WIN', number_cuts = subdivide_cuts)
                         bpy.ops.curve.select_all('INVOKE_REGION_WIN', action='DESELECT')
-                        
+
                 bpy.ops.object.editmode_toggle('INVOKE_REGION_WIN')
-                
-            
-            
-            
+
+
+
+
             # Save coordinates of the actual strokes (as the "last saved splines").
             for sp_idx in range(len(self.temporary_curve.data.splines)):
                 self.last_strokes_splines_coords.append([])
                 for bp_idx in range(len(self.temporary_curve.data.splines[sp_idx].bezier_points)):
                     coords = self.temporary_curve.matrix_world * self.temporary_curve.data.splines[sp_idx].bezier_points[bp_idx].co
                     self.last_strokes_splines_coords[sp_idx].append([coords[0], coords[1], coords[2]])
-            
-            
+
+
             # Check for cyclic splines, put the first and last points in the middle of their actual positions.
             for sp_idx in range(len(self.temporary_curve.data.splines)):
                 if self.temporary_curve.data.splines[sp_idx].use_cyclic_u == True:
                     first_p_co = self.last_strokes_splines_coords[sp_idx][0]
                     last_p_co = self.last_strokes_splines_coords[sp_idx][len(self.last_strokes_splines_coords[sp_idx]) - 1]
-                    
+
                     target_co = [(first_p_co[0] + last_p_co[0]) / 2, (first_p_co[1] + last_p_co[1]) / 2, (first_p_co[2] + last_p_co[2]) / 2]
-                    
+
                     self.last_strokes_splines_coords[sp_idx][0] = target_co
                     self.last_strokes_splines_coords[sp_idx][len(self.last_strokes_splines_coords[sp_idx]) - 1] = target_co
-            
+
             tuple(self.last_strokes_splines_coords)
-            
-            
-            
+
+
+
             # Estimation of the average length of the segments between each point of the grease pencil strokes. Will be useful to determine whether a curve should be made "Cyclic".
             segments_lengths_sum = 0
             segments_count = 0
@@ -3141,95 +3139,95 @@ class GPENCIL_OT_SURFSK_add_surface(bpy.types.Operator):
                 if i != 0 and len(random_spline) - 1 >= i:
                     segments_lengths_sum += (random_spline[i - 1].co - random_spline[i].co).length
                     segments_count += 1
-            
+
             self.average_gp_segment_length = segments_lengths_sum / segments_count
-            
-            
+
+
             #### Delete temporary strokes curve object
             bpy.ops.object.select_all('INVOKE_REGION_WIN', action='DESELECT')
             bpy.data.objects[self.temporary_curve.name].select = True
             bpy.context.scene.objects.active = bpy.data.objects[self.temporary_curve.name]
-            
+
             bpy.ops.object.delete()
-            
-            
+
+
             bpy.ops.object.select_all('INVOKE_REGION_WIN', action='DESELECT')
             bpy.data.objects[self.main_object.name].select = True
             bpy.context.scene.objects.active = bpy.data.objects[self.main_object.name]
-            
+
             bpy.ops.object.editmode_toggle('INVOKE_REGION_WIN')
-            
-                
+
+
             self.execute(context)
             bpy.context.user_preferences.edit.use_global_undo = False # Set again since "execute()" will turn it again to its initial value.
-            
-            
-            #### If "Keep strokes" option is not active, delete original strokes curve object. 
+
+
+            #### If "Keep strokes" option is not active, delete original strokes curve object.
             if (not self.stopping_errors and not self.keep_strokes) or self.is_crosshatch:
                 bpy.ops.object.editmode_toggle('INVOKE_REGION_WIN')
                 bpy.ops.object.select_all('INVOKE_REGION_WIN', action='DESELECT')
                 bpy.data.objects[self.original_curve.name].select = True
                 bpy.context.scene.objects.active = bpy.data.objects[self.original_curve.name]
-                
+
                 bpy.ops.object.delete()
-                
+
                 bpy.ops.object.select_all('INVOKE_REGION_WIN', action='DESELECT')
                 bpy.data.objects[self.main_object.name].select = True
                 bpy.context.scene.objects.active = bpy.data.objects[self.main_object.name]
-                
+
                 bpy.ops.object.editmode_toggle('INVOKE_REGION_WIN')
-                
-            
-            
+
+
+
             #### Delete grease pencil strokes.
             if self.strokes_type == "GP_STROKES" and not self.stopping_errors:
                 bpy.ops.gpencil.active_frame_delete('INVOKE_REGION_WIN')
-            
-            
+
+
             bpy.context.user_preferences.edit.use_global_undo = self.initial_global_undo_state
-            
-            
+
+
             if not self.stopping_errors:
                 return {"FINISHED"}
             else:
                 return{"CANCELLED"}
-            
+
         elif self.strokes_type == "SELECTION_ALONE":
             self.is_fill_faces = True
-            
+
             created_faces_count = self.fill_with_faces(self.main_object)
-            
+
             bpy.ops.object.editmode_toggle('INVOKE_REGION_WIN')
-            
+
             if created_faces_count == 0:
                 self.report({'WARNING'}, "There aren't any strokes.")
                 return {"CANCELLED"}
             else:
                 return {"FINISHED"}
-            
-            
-            
-            
+
+
+
+
         elif self.strokes_type == "EXTERNAL_NO_CURVE":
             self.report({'WARNING'}, "The secondary object is not a Curve.")
             return{"CANCELLED"}
-        
+
         elif self.strokes_type == "MORE_THAN_ONE_EXTERNAL":
             self.report({'WARNING'}, "There shouldn't be more than one secondary object selected.")
             return{"CANCELLED"}
-        
+
         elif self.strokes_type == "SINGLE_GP_STROKE_NO_SELECTION" or self.strokes_type == "SINGLE_CURVE_STROKE_NO_SELECTION":
             self.report({'WARNING'}, "It's needed at least one stroke and one selection, or two strokes.")
             return{"CANCELLED"}
-        
+
         elif self.strokes_type == "NO_STROKES":
             self.report({'WARNING'}, "There aren't any strokes.")
             return{"CANCELLED"}
-        
+
         elif self.strokes_type == "CURVE_WITH_NON_BEZIER_SPLINES":
             self.report({'WARNING'}, "All splines must be Bezier.")
             return{"CANCELLED"}
-        
+
         else:
             return{"CANCELLED"}
 
@@ -3239,8 +3237,8 @@ class GPENCIL_OT_SURFSK_edit_strokes(bpy.types.Operator):
     bl_idname = "gpencil.surfsk_edit_strokes"
     bl_label = "Bsurfaces edit strokes"
     bl_description = "Edit the grease pencil strokes or curves used."
-    
-    
+
+
     def execute(self, context):
         #### Determine the type of the strokes.
         self.strokes_type = get_strokes_type(self.main_object)
@@ -3250,13 +3248,13 @@ class GPENCIL_OT_SURFSK_edit_strokes(bpy.types.Operator):
             for ob in selected_objs:
                 if ob != bpy.context.scene.objects.active:
                     curve_ob = ob
-            
+
             bpy.ops.object.editmode_toggle('INVOKE_REGION_WIN')
-            
+
             bpy.ops.object.select_all('INVOKE_REGION_WIN', action='DESELECT')
             bpy.data.objects[curve_ob.name].select = True
             bpy.context.scene.objects.active = bpy.data.objects[curve_ob.name]
-            
+
             bpy.ops.object.editmode_toggle('INVOKE_REGION_WIN')
         elif self.strokes_type == "GP_STROKES" or self.strokes_type == "SINGLE_GP_STROKE_NO_SELECTION":
             #### Convert grease pencil strokes to curve.
@@ -3265,29 +3263,29 @@ class GPENCIL_OT_SURFSK_edit_strokes(bpy.types.Operator):
             for ob in bpy.context.selected_objects:
                     if ob != bpy.context.scene.objects.active and ob.name.startswith("GP_Layer"):
                         ob_gp_strokes = ob
-            
+
             #ob_gp_strokes = bpy.context.object
-            
+
             #### Delete grease pencil strokes.
             bpy.ops.object.select_all('INVOKE_REGION_WIN', action='DESELECT')
             bpy.data.objects[self.main_object.name].select = True
             bpy.context.scene.objects.active = bpy.data.objects[self.main_object.name]
-            
+
             bpy.ops.gpencil.active_frame_delete('INVOKE_REGION_WIN')
-            
-            
+
+
             #### Clean up curves.
             bpy.ops.object.select_all('INVOKE_REGION_WIN', action='DESELECT')
             bpy.data.objects[ob_gp_strokes.name].select = True
             bpy.context.scene.objects.active = bpy.data.objects[ob_gp_strokes.name]
-            
+
             curve_crv = ob_gp_strokes.data
             bpy.ops.object.editmode_toggle('INVOKE_REGION_WIN')
             bpy.ops.curve.spline_type_set('INVOKE_REGION_WIN', type="BEZIER")
             bpy.ops.curve.handle_type_set('INVOKE_REGION_WIN', type="AUTOMATIC")
             bpy.data.curves[curve_crv.name].show_handles = False
             bpy.data.curves[curve_crv.name].show_normal_face = False
-            
+
         elif self.strokes_type == "EXTERNAL_NO_CURVE":
             self.report({'WARNING'}, "The secondary object is not a Curve.")
             return{"CANCELLED"}
@@ -3299,14 +3297,14 @@ class GPENCIL_OT_SURFSK_edit_strokes(bpy.types.Operator):
             return{"CANCELLED"}
         else:
             return{"CANCELLED"}
-                
-       
-       
+
+
+
     def invoke (self, context, event):
         self.main_object = bpy.context.object
-        
+
         self.execute(context)
-        
+
         return {"FINISHED"}
 
 
@@ -3317,9 +3315,9 @@ class CURVE_OT_SURFSK_reorder_splines(bpy.types.Operator):
     bl_label = "Bsurfaces reorder splines"
     bl_description = "Defines the order of the splines by using grease pencil strokes."
     bl_options = {'REGISTER', 'UNDO'}
-    
-    
-    
+
+
+
     def execute(self, context):
         objects_to_delete = []
         #### Convert grease pencil strokes to curve.
@@ -3328,320 +3326,320 @@ class CURVE_OT_SURFSK_reorder_splines(bpy.types.Operator):
         for ob in bpy.context.selected_objects:
             if ob != bpy.context.scene.objects.active and ob.name.startswith("GP_Layer"):
                 GP_strokes_curve = ob
-        
+
         #GP_strokes_curve = bpy.context.object
         objects_to_delete.append(GP_strokes_curve)
-        
+
         bpy.ops.object.select_all('INVOKE_REGION_WIN', action='DESELECT')
         bpy.data.objects[GP_strokes_curve.name].select = True
         bpy.context.scene.objects.active = bpy.data.objects[GP_strokes_curve.name]
-        
-        
+
+
         bpy.ops.object.editmode_toggle('INVOKE_REGION_WIN')
         bpy.ops.curve.select_all('INVOKE_REGION_WIN', action='SELECT')
         bpy.ops.curve.subdivide('INVOKE_REGION_WIN', number_cuts = 100)
         bpy.ops.object.editmode_toggle('INVOKE_REGION_WIN')
-        
+
         bpy.ops.object.duplicate('INVOKE_REGION_WIN')
         GP_strokes_mesh = bpy.context.object
         objects_to_delete.append(GP_strokes_mesh)
-        
+
         GP_strokes_mesh.data.resolution_u = 1
         bpy.ops.object.convert(target='MESH', keep_original=False)
-        
-        
+
+
         bpy.ops.object.select_all('INVOKE_REGION_WIN', action='DESELECT')
         bpy.data.objects[self.main_curve.name].select = True
         bpy.context.scene.objects.active = bpy.data.objects[self.main_curve.name]
-        
+
         bpy.ops.object.duplicate('INVOKE_REGION_WIN')
         curves_duplicate_1 = bpy.context.object
         objects_to_delete.append(curves_duplicate_1)
-        
-        
-        
+
+
+
         minimum_points_num = 500
-        
-        
+
+
         for x in range(round(minimum_points_num / 100)): # Some iterations since the subdivision operator has a limit of 100 subdivisions per iteration.
             #### Check if the number of points of each curve has at least the number of points of minimum_points_num. If not, subdivide to reach at least that number of ponts.
             for i in range(len(curves_duplicate_1.data.splines)):
                 sp = curves_duplicate_1.data.splines[i]
-                
+
                 if len(sp.bezier_points) < minimum_points_num:
                     for bp in sp.bezier_points:
                         bp.select_control_point = True
-                        
+
                     if (len(sp.bezier_points) - 1) != 0:
                         subdivide_cuts = int((minimum_points_num - len(sp.bezier_points)) / (len(sp.bezier_points) - 1)) + 1 # Formula to get the number of cuts that will make a curve of N number of points have near to "minimum_points_num" points, when subdividing with this number of cuts.
                     else:
                         subdivide_cuts = 0
-                    
+
                     bpy.ops.object.editmode_toggle('INVOKE_REGION_WIN')
                     bpy.ops.curve.subdivide('INVOKE_REGION_WIN', number_cuts = subdivide_cuts)
                     bpy.ops.curve.select_all('INVOKE_REGION_WIN', action='DESELECT')
                     bpy.ops.object.editmode_toggle('INVOKE_REGION_WIN')
-        
-        
+
+
         bpy.ops.object.duplicate('INVOKE_REGION_WIN')
         curves_duplicate_2 = bpy.context.object
         objects_to_delete.append(curves_duplicate_2)
-        
-        
+
+
         #### Duplicate the duplicate and add Shrinkwrap to it, with the grease pencil strokes curve as target.
         bpy.ops.object.select_all('INVOKE_REGION_WIN', action='DESELECT')
         bpy.data.objects[curves_duplicate_2.name].select = True
         bpy.context.scene.objects.active = bpy.data.objects[curves_duplicate_2.name]
-        
+
         bpy.ops.object.modifier_add('INVOKE_REGION_WIN', type='SHRINKWRAP')
         curves_duplicate_2.modifiers["Shrinkwrap"].wrap_method = "NEAREST_VERTEX"
         curves_duplicate_2.modifiers["Shrinkwrap"].target = GP_strokes_mesh
         bpy.ops.object.modifier_apply('INVOKE_REGION_WIN', apply_as='DATA', modifier='Shrinkwrap')
-        
-        
+
+
         #### Get the distance of each vert from its original position to its position with Shrinkwrap.
         nearest_points_coords = {}
         for st_idx in range(len(curves_duplicate_1.data.splines)):
             for bp_idx in range(len(curves_duplicate_1.data.splines[st_idx].bezier_points)):
                 bp_1_co = curves_duplicate_1.matrix_world * curves_duplicate_1.data.splines[st_idx].bezier_points[bp_idx].co
                 bp_2_co = curves_duplicate_2.matrix_world * curves_duplicate_2.data.splines[st_idx].bezier_points[bp_idx].co
-                
+
                 if bp_idx == 0:
                     shortest_dist = (bp_1_co - bp_2_co).length
                     nearest_points_coords[st_idx] = ("%.4f" % bp_2_co[0], "%.4f" % bp_2_co[1], "%.4f" % bp_2_co[2])
-                    
+
                 dist = (bp_1_co - bp_2_co).length
-                
+
                 if dist < shortest_dist:
                     nearest_points_coords[st_idx] = ("%.4f" % bp_2_co[0], "%.4f" % bp_2_co[1], "%.4f" % bp_2_co[2])
                     shortest_dist = dist
-                
-                
-        
+
+
+
         #### Get all coords of GP strokes points, for comparison.
         GP_strokes_coords = []
         for st_idx in range(len(GP_strokes_curve.data.splines)):
             GP_strokes_coords.append([("%.4f" % x if "%.4f" % x != "-0.00" else "0.00", "%.4f" % y if "%.4f" % y != "-0.00" else "0.00", "%.4f" % z if "%.4f" % z != "-0.00" else "0.00") for x, y, z in [bp.co for bp in GP_strokes_curve.data.splines[st_idx].bezier_points]])
-        
-        
+
+
         #### Check the point of the GP strokes with the same coords as the nearest points of the curves (with shrinkwrap).
         GP_connection_points = {} # Dictionary with GP stroke index as index, and a list as value. The list has as index the point index of the GP stroke nearest to the spline, and as value the spline index.
         for gp_st_idx in range(len(GP_strokes_coords)):
             GPvert_spline_relationship = {}
-            
+
             for splines_st_idx in range(len(nearest_points_coords)):
                 if nearest_points_coords[splines_st_idx] in GP_strokes_coords[gp_st_idx]:
                     GPvert_spline_relationship[GP_strokes_coords[gp_st_idx].index(nearest_points_coords[splines_st_idx])] = splines_st_idx
-                    
-            
+
+
             GP_connection_points[gp_st_idx] = GPvert_spline_relationship
-        
-        
+
+
         #### Get the splines new order.
         splines_new_order = []
         for i in GP_connection_points:
             dict_keys = sorted(GP_connection_points[i].keys()) # Sort dictionaries by key
-            
+
             for k in dict_keys:
                 splines_new_order.append(GP_connection_points[i][k])
-                
-        
-        
+
+
+
         #### Reorder.
-        
+
         curve_original_name = self.main_curve.name
-        
+
         bpy.ops.object.select_all('INVOKE_REGION_WIN', action='DESELECT')
         bpy.data.objects[self.main_curve.name].select = True
         bpy.context.scene.objects.active = bpy.data.objects[self.main_curve.name]
-        
+
         self.main_curve.name = "SURFSKIO_CRV_ORD"
-        
+
         bpy.ops.object.editmode_toggle('INVOKE_REGION_WIN')
         bpy.ops.curve.select_all('INVOKE_REGION_WIN', action='DESELECT')
         bpy.ops.object.editmode_toggle('INVOKE_REGION_WIN')
-        
-        
+
+
         for sp_idx in range(len(self.main_curve.data.splines)):
             self.main_curve.data.splines[0].bezier_points[0].select_control_point = True
-            
+
             bpy.ops.object.editmode_toggle('INVOKE_REGION_WIN')
             bpy.ops.curve.separate('INVOKE_REGION_WIN')
             bpy.ops.object.editmode_toggle('INVOKE_REGION_WIN')
-        
-        
-        
+
+
+
         #### Get the names of the separated splines objects in the original order.
         splines_unordered = {}
         for o in bpy.data.objects:
             if o.name.find("SURFSKIO_CRV_ORD") != -1:
                 spline_order_string = o.name.partition(".")[2]
-                
+
                 if spline_order_string != "" and int(spline_order_string) > 0:
                     spline_order_index = int(spline_order_string) - 1
                     splines_unordered[spline_order_index] = o.name
-        
-        
-        
+
+
+
         #### Join all splines objects in final order.
         for order_idx in splines_new_order:
             bpy.ops.object.select_all('INVOKE_REGION_WIN', action='DESELECT')
             bpy.data.objects[splines_unordered[order_idx]].select = True
             bpy.data.objects["SURFSKIO_CRV_ORD"].select = True
             bpy.context.scene.objects.active = bpy.data.objects["SURFSKIO_CRV_ORD"]
-            
+
             bpy.ops.object.join('INVOKE_REGION_WIN')
-            
-            
+
+
         #### Go back to the original name of the curves object.
         bpy.context.object.name = curve_original_name
-        
-        
+
+
         #### Delete all unused objects.
         for o in objects_to_delete:
             bpy.ops.object.select_all('INVOKE_REGION_WIN', action='DESELECT')
             bpy.data.objects[o.name].select = True
             bpy.context.scene.objects.active = bpy.data.objects[o.name]
-            
+
             bpy.ops.object.delete()
-            
-        
+
+
         bpy.ops.object.select_all('INVOKE_REGION_WIN', action='DESELECT')
         bpy.data.objects[curve_original_name].select = True
         bpy.context.scene.objects.active = bpy.data.objects[curve_original_name]
-        
+
         bpy.ops.object.editmode_toggle('INVOKE_REGION_WIN')
         bpy.ops.curve.select_all('INVOKE_REGION_WIN', action='DESELECT')
-        
-        
+
+
         bpy.ops.gpencil.active_frame_delete('INVOKE_REGION_WIN')
-        
-        
-        
+
+
+
         return {"FINISHED"}
-    
-    
-        
+
+
+
     def invoke (self, context, event):
         self.main_curve = bpy.context.object
-        
-        
+
+
         there_are_GP_strokes = False
         try:
             #### Get the active grease pencil layer.
             strokes_num = len(self.main_curve.grease_pencil.layers.active.active_frame.strokes)
-            
+
             if strokes_num > 0:
                 there_are_GP_strokes = True
         except:
             pass
-            
-        
+
+
         if there_are_GP_strokes:
             self.execute(context)
             self.report({'INFO'}, "Splines have been reordered.")
         else:
             self.report({'WARNING'}, "Draw grease pencil strokes to connect splines.")
-        
+
         return {"FINISHED"}
-    
-    
-    
+
+
+
 
 class CURVE_OT_SURFSK_first_points(bpy.types.Operator):
     bl_idname = "curve.surfsk_first_points"
     bl_label = "Bsurfaces set first points"
     bl_description = "Set the selected points as the first point of each spline."
     bl_options = {'REGISTER', 'UNDO'}
-    
-    
-    
+
+
+
     def execute(self, context):
         splines_to_invert = []
-        
+
         #### Check non-cyclic splines to invert.
         for i in range(len(self.main_curve.data.splines)):
             b_points = self.main_curve.data.splines[i].bezier_points
-            
+
             if not i in self.cyclic_splines: # Only for non-cyclic splines
                 if b_points[len(b_points) - 1].select_control_point:
                     splines_to_invert.append(i)
-        
-        
+
+
         #### Reorder points of cyclic splines, and set all handles to "Automatic".
-        
+
         # Check first selected point.
         cyclic_splines_new_first_pt = {}
         for i in self.cyclic_splines:
             sp = self.main_curve.data.splines[i]
-            
+
             for t in range(len(sp.bezier_points)):
                 bp = sp.bezier_points[t]
                 if bp.select_control_point or bp.select_right_handle or bp.select_left_handle:
                     cyclic_splines_new_first_pt[i] = t
                     break # To take only one if there are more.
-        
+
         # Reorder.
         for spline_idx in cyclic_splines_new_first_pt:
             sp = self.main_curve.data.splines[spline_idx]
-            
+
             spline_old_coords = []
             for bp_old in sp.bezier_points:
                 coords = (bp_old.co[0], bp_old.co[1], bp_old.co[2])
-                
+
                 left_handle_type = str(bp_old.handle_left_type)
                 left_handle_length = float(bp_old.handle_left.length)
                 left_handle_xyz = (float(bp_old.handle_left.x), float(bp_old.handle_left.y), float(bp_old.handle_left.z))
-                
+
                 right_handle_type = str(bp_old.handle_right_type)
                 right_handle_length = float(bp_old.handle_right.length)
                 right_handle_xyz = (float(bp_old.handle_right.x), float(bp_old.handle_right.y), float(bp_old.handle_right.z))
-                
+
                 spline_old_coords.append([coords, left_handle_type, right_handle_type, left_handle_length, right_handle_length, left_handle_xyz, right_handle_xyz])
-                
-            
+
+
             for t in range(len(sp.bezier_points)):
                 bp = sp.bezier_points
-                
+
                 if t + cyclic_splines_new_first_pt[spline_idx] + 1 <= len(bp) - 1:
                     new_index = t + cyclic_splines_new_first_pt[spline_idx] + 1
                 else:
                     new_index = t + cyclic_splines_new_first_pt[spline_idx] + 1 - len(bp)
-                
+
                 bp[t].co = mathutils.Vector(spline_old_coords[new_index][0])
-                
+
                 bp[t].handle_left.length = spline_old_coords[new_index][3]
                 bp[t].handle_right.length = spline_old_coords[new_index][4]
-                
+
                 bp[t].handle_left_type = "FREE"
                 bp[t].handle_right_type = "FREE"
-                
+
                 bp[t].handle_left.x = spline_old_coords[new_index][5][0]
                 bp[t].handle_left.y = spline_old_coords[new_index][5][1]
                 bp[t].handle_left.z = spline_old_coords[new_index][5][2]
-                
+
                 bp[t].handle_right.x = spline_old_coords[new_index][6][0]
                 bp[t].handle_right.y = spline_old_coords[new_index][6][1]
                 bp[t].handle_right.z = spline_old_coords[new_index][6][2]
-                
+
                 bp[t].handle_left_type = spline_old_coords[new_index][1]
                 bp[t].handle_right_type = spline_old_coords[new_index][2]
-                
-        
-        
+
+
+
         #### Invert the non-cyclic splines designated above.
         for i in range(len(splines_to_invert)):
             bpy.ops.curve.select_all('INVOKE_REGION_WIN', action='DESELECT')
-            
+
             bpy.ops.object.editmode_toggle('INVOKE_REGION_WIN')
             self.main_curve.data.splines[splines_to_invert[i]].bezier_points[0].select_control_point = True
             bpy.ops.object.editmode_toggle('INVOKE_REGION_WIN')
-            
+
             bpy.ops.curve.switch_direction()
-            
+
         bpy.ops.curve.select_all('INVOKE_REGION_WIN', action='DESELECT')
-        
-        
+
+
         #### Keep selected the first vert of each spline.
         bpy.ops.object.editmode_toggle('INVOKE_REGION_WIN')
         for i in range(len(self.main_curve.data.splines)):
@@ -3649,43 +3647,43 @@ class CURVE_OT_SURFSK_first_points(bpy.types.Operator):
                 bp = self.main_curve.data.splines[i].bezier_points[0]
             else:
                 bp = self.main_curve.data.splines[i].bezier_points[len(self.main_curve.data.splines[i].bezier_points) - 1]
-            
+
             bp.select_control_point = True
             bp.select_right_handle = True
             bp.select_left_handle = True
         bpy.ops.object.editmode_toggle('INVOKE_REGION_WIN')
-        
-        
-        
-        
+
+
+
+
         return {'FINISHED'}
-    
-    
-        
+
+
+
     def invoke (self, context, event):
         self.main_curve = bpy.context.object
-        
+
         # Check if all curves are Bezier, and detect which ones are cyclic.
         self.cyclic_splines = []
         for i in range(len(self.main_curve.data.splines)):
             if self.main_curve.data.splines[i].type != "BEZIER":
                 self.report({'WARNING'}, 'All splines must be Bezier type.')
-                
+
                 return {'CANCELLED'}
             else:
                 if self.main_curve.data.splines[i].use_cyclic_u:
                     self.cyclic_splines.append(i)
-                    
-                    
-        
+
+
+
         self.execute(context)
         self.report({'INFO'}, "First points have been set.")
-        
+
         return {'FINISHED'}
-    
-    
-    
-    
+
+
+
+
 def register():
     bpy.utils.register_class(VIEW3D_PT_tools_SURFSK_mesh)
     bpy.utils.register_class(VIEW3D_PT_tools_SURFSK_curve)
@@ -3693,29 +3691,29 @@ def register():
     bpy.utils.register_class(GPENCIL_OT_SURFSK_edit_strokes)
     bpy.utils.register_class(CURVE_OT_SURFSK_reorder_splines)
     bpy.utils.register_class(CURVE_OT_SURFSK_first_points)
-    
-    
-    
+
+
+
     bpy.types.Scene.SURFSK_cyclic_cross = bpy.props.BoolProperty(
         name="Cyclic Cross",
         description="Make cyclic the face-loops crossing the strokes.",
         default=False)
-        
+
     bpy.types.Scene.SURFSK_cyclic_follow = bpy.props.BoolProperty(
         name="Cyclic Follow",
         description="Make cyclic the face-loops following the strokes.",
         default=False)
-        
+
     bpy.types.Scene.SURFSK_keep_strokes = bpy.props.BoolProperty(
         name="Keep strokes",
         description="Keeps the sketched strokes or curves after adding the surface.",
         default=False)
-    
+
     bpy.types.Scene.SURFSK_automatic_join = bpy.props.BoolProperty(
         name="Automatic join",
         description="Join automatically vertices of either surfaces generated by crosshatching, or from the borders of closed shapes.",
         default=True)
-    
+
     bpy.types.Scene.SURFSK_loops_on_strokes = bpy.props.BoolProperty(
         name="Loops on strokes",
         description="Make the loops match the paths of the strokes.",
@@ -3727,7 +3725,7 @@ def register():
         default=2,
         min=1,
         max=100)
-    
+
 
 def unregister():
     bpy.utils.unregister_class(VIEW3D_PT_tools_SURFSK_mesh)
@@ -3736,18 +3734,18 @@ def unregister():
     bpy.utils.unregister_class(GPENCIL_OT_SURFSK_edit_strokes)
     bpy.utils.unregister_class(CURVE_OT_SURFSK_reorder_splines)
     bpy.utils.unregister_class(CURVE_OT_SURFSK_first_points)
-    
+
     del bpy.types.Scene.SURFSK_precision
     del bpy.types.Scene.SURFSK_keep_strokes
     del bpy.types.Scene.SURFSK_automatic_join
     del bpy.types.Scene.SURFSK_cyclic_cross
     del bpy.types.Scene.SURFSK_cyclic_follow
     del bpy.types.Scene.SURFSK_loops_on_strokes
-    
+
 
 
 if __name__ == "__main__":
     register()
-    
-    
+
+
 
diff --git a/mesh_f2.py b/mesh_f2.py
index d95d4cec1b53f29be3f59b62b64bd437158ac1d9..e75785cbf6d5dab4ea1c5487ca77e10c6dcf78c4 100644
--- a/mesh_f2.py
+++ b/mesh_f2.py
@@ -27,10 +27,9 @@ bl_info = {
     'location': "Editmode > F",
     'warning': "",
     'description': "Extends the 'Make Edge/Face' functionality",
-    'wiki_url': "http://wiki.blender.org/index.php/Extensions:2.6/Py/"\
+    'wiki_url': "http://wiki.blender.org/index.php/Extensions:2.6/Py/"
         "Scripts/Modeling/F2",
-    'tracker_url': "http://projects.blender.org/tracker/index.php?"\
-        "func=detail&aid=33979",
+    'tracker_url': "https://developer.blender.org/T33979",
     'category': 'Mesh'}
 
 
@@ -316,4 +315,4 @@ def unregister():
 
 
 if __name__ == "__main__":
-    register()
\ No newline at end of file
+    register()
diff --git a/mesh_inset/__init__.py b/mesh_inset/__init__.py
index 8d4054d3bf78be50389e754b76efc9dbb59a5e8d..fa3f797328ee508b5b6004630e515c7c3ee2e150 100644
--- a/mesh_inset/__init__.py
+++ b/mesh_inset/__init__.py
@@ -26,12 +26,12 @@ bl_info = {
     "location": "View3D > Tools",
     "description": "Make an inset polygon inside selection.",
     "warning": "",
-    "wiki_url": \
-      "http://wiki.blender.org/index.php/Extensions:2.6/Py/Scripts/Modeling/Inset-Polygon",
-    "tracker_url": \
-      "http://projects.blender.org/tracker/index.php?func=detail&aid=27290&group_id=153&atid=469",
+    "wiki_url": "http://wiki.blender.org/index.php/Extensions:2.6/Py/"
+        "Scripts/Modeling/Inset-Polygon",
+    "tracker_url": "https://developer.blender.org/T27290",
     "category": "Mesh"}
 
+
 if "bpy" in locals():
     import imp
 else:
diff --git a/mesh_looptools.py b/mesh_looptools.py
index cdbc26fdfcbada29e979fe814395232e5eaf8460..5bfc832f0f3fdce154694dd410b36b988e8a9492 100644
--- a/mesh_looptools.py
+++ b/mesh_looptools.py
@@ -25,9 +25,8 @@ bl_info = {
     "warning": "",
     "description": "Mesh modelling toolkit. Several tools to aid modelling",
     "wiki_url": "http://wiki.blender.org/index.php/Extensions:2.6/Py/"
-                "Scripts/Modeling/LoopTools",
-    "tracker_url": "http://projects.blender.org/tracker/index.php?"
-                   "func=detail&aid=26189",
+        "Scripts/Modeling/LoopTools",
+    "tracker_url": "https://developer.blender.org/T26189",
     "category": "Mesh"}
 
 
@@ -79,7 +78,7 @@ def cache_read(tool, object, bm, input_method, boundaries):
     loops = looptools_cache[tool]["loops"]
     derived = looptools_cache[tool]["derived"]
     mapping = looptools_cache[tool]["mapping"]
-    
+
     return(True, single_loops, loops, derived, mapping)
 
 
@@ -140,7 +139,7 @@ def calculate_cubic_splines(bm_mod, tknots, knots):
     else:
         circular = False
     # end of hack
-    
+
     n = len(knots)
     if n < 2:
         return False
@@ -187,7 +186,7 @@ def calculate_cubic_splines(bm_mod, tknots, knots):
     if circular: # cleaning up after hack
         knots = knots[4:-4]
         tknots = tknots[4:-4]
-    
+
     return(splines)
 
 
@@ -201,7 +200,7 @@ def calculate_linear_splines(bm_mod, tknots, knots):
         t = tknots[i]
         u = tknots[i+1]-t
         splines.append([a, d, t, u]) # [locStart, locDif, tStart, tDif]
-    
+
     return(splines)
 
 
@@ -209,14 +208,14 @@ def calculate_linear_splines(bm_mod, tknots, knots):
 def calculate_plane(bm_mod, loop, method="best_fit", object=False):
     # getting the vertex locations
     locs = [bm_mod.verts[v].co.copy() for v in loop[0]]
-    
+
     # calculating the center of masss
     com = mathutils.Vector()
     for loc in locs:
         com += loc
     com /= len(locs)
     x, y, z = com
-    
+
     if method == 'best_fit':
         # creating the covariance matrix
         mat = mathutils.Matrix(((0.0, 0.0, 0.0),
@@ -233,7 +232,7 @@ def calculate_plane(bm_mod, loop, method="best_fit", object=False):
             mat[0][2] += (loc[2]-z)*(loc[0]-x)
             mat[1][2] += (loc[2]-z)*(loc[1]-y)
             mat[2][2] += (loc[2]-z)**2
-        
+
         # calculating the normal to the plane
         normal = False
         try:
@@ -266,7 +265,7 @@ def calculate_plane(bm_mod, loop, method="best_fit", object=False):
             if vec2.length == 0:
                 vec2 = mathutils.Vector((1.0, 1.0, 1.0))
             normal = vec2
-    
+
     elif method == 'normal':
         # averaging the vertex normals
         v_normals = [bm_mod.verts[v].normal for v in loop[0]]
@@ -275,7 +274,7 @@ def calculate_plane(bm_mod, loop, method="best_fit", object=False):
             normal += v_normal
         normal /= len(v_normals)
         normal.normalize()
-        
+
     elif method == 'view':
         # calculate view normal
         rotation = bpy.context.space_data.region_3d.view_matrix.to_3x3().\
@@ -284,7 +283,7 @@ def calculate_plane(bm_mod, loop, method="best_fit", object=False):
         if object:
             normal = object.matrix_world.inverted().to_euler().to_matrix() * \
                      normal
-    
+
     return(com, normal)
 
 
@@ -294,7 +293,7 @@ def calculate_splines(interpolation, bm_mod, tknots, knots):
         splines = calculate_cubic_splines(bm_mod, tknots, knots[:])
     else: # interpolations == 'linear'
         splines = calculate_linear_splines(bm_mod, tknots, knots[:])
-    
+
     return(splines)
 
 
@@ -322,10 +321,10 @@ def check_loops(loops, mapping, bm_mod):
                 stacked = False
                 break
         if stacked:
-            continue    
+            continue
         # passed all tests, loop is valid
         valid_loops.append([loop, circular])
-    
+
     return(valid_loops)
 
 
@@ -338,7 +337,7 @@ def dict_edge_faces(bm):
             continue
         for key in face_edgekeys(face):
             edge_faces[key].append(face.index)
-    
+
     return(edge_faces)
 
 
@@ -346,7 +345,7 @@ def dict_edge_faces(bm):
 def dict_face_faces(bm, edge_faces=False):
     if not edge_faces:
         edge_faces = dict_edge_faces(bm)
-    
+
     connected_faces = dict([[face.index, []] for face in bm.faces if \
         not face.hide])
     for face in bm.faces:
@@ -357,7 +356,7 @@ def dict_face_faces(bm, edge_faces=False):
                 if connected_face == face.index:
                     continue
                 connected_faces[face.index].append(connected_face)
-    
+
     return(connected_faces)
 
 
@@ -370,7 +369,7 @@ def dict_vert_edges(bm):
         ek = edgekey(edge)
         for vert in ek:
             vert_edges[vert].append(ek)
-    
+
     return(vert_edges)
 
 
@@ -381,7 +380,7 @@ def dict_vert_faces(bm):
         if not face.hide:
             for vert in face.verts:
                 vert_faces[vert.index].append(face.index)
-                
+
     return(vert_faces)
 
 
@@ -395,7 +394,7 @@ def dict_vert_verts(edge_keys):
                 vert_verts[ek[i]].append(ek[1-i])
             else:
                 vert_verts[ek[i]] = [ek[1-i]]
-    
+
     return(vert_verts)
 
 
@@ -414,18 +413,18 @@ def face_edgekeys(face):
 def get_connected_input(object, bm, scene, input):
     # get mesh with modifiers applied
     derived, bm_mod = get_derived_bmesh(object, bm, scene)
-    
+
     # calculate selected loops
     edge_keys = [edgekey(edge) for edge in bm_mod.edges if \
         edge.select and not edge.hide]
     loops = get_connected_selections(edge_keys)
-    
+
     # if only selected loops are needed, we're done
     if input == 'selected':
         return(derived, bm_mod, loops)
-    # elif input == 'all':    
+    # elif input == 'all':
     loops = get_parallel_loops(bm_mod, loops)
-    
+
     return(derived, bm_mod, loops)
 
 
@@ -433,14 +432,14 @@ def get_connected_input(object, bm, scene, input):
 def get_connected_selections(edge_keys):
     # create connection data
     vert_verts = dict_vert_verts(edge_keys)
-    
+
     # find loops consisting of connected selected edges
     loops = []
     while len(vert_verts) > 0:
         loop = [iter(vert_verts.keys()).__next__()]
         growing = True
         flipped = False
-        
+
         # extend loop
         while growing:
             # no more connection data for current vertex
@@ -474,7 +473,7 @@ def get_connected_selections(edge_keys):
                     # found both ends of the loop, stop growing
                     else:
                         growing = False
-        
+
         # check if loop is circular
         if loop[0] in vert_verts:
             if loop[-1] in vert_verts[loop[0]]:
@@ -494,9 +493,9 @@ def get_connected_selections(edge_keys):
         else:
             # not circular
             loop = [loop, False]
-        
+
         loops.append(loop)
-    
+
     return(loops)
 
 
@@ -523,7 +522,7 @@ def get_derived_bmesh(object, bm, scene):
     else:
         derived = False
         bm_mod = bm
-    
+
     return(derived, bm_mod)
 
 
@@ -531,12 +530,12 @@ def get_derived_bmesh(object, bm, scene):
 def get_mapping(derived, bm, bm_mod, single_vertices, full_search, loops):
     if not derived:
         return(False)
-    
+
     if full_search:
         verts = [v for v in bm.verts if not v.hide]
     else:
         verts = [v for v in bm.verts if v.select and not v.hide]
-    
+
     # non-selected vertices around single vertices also need to be mapped
     if single_vertices:
         mapping = dict([[vert, -1] for vert in single_vertices])
@@ -547,7 +546,7 @@ def get_mapping(derived, bm, bm_mod, single_vertices, full_search, loops):
                     mapping[v_mod.index] = v.index
                     break
         real_singles = [v_real for v_real in mapping.values() if v_real>-1]
-        
+
         verts_indices = [vert.index for vert in verts]
         for face in [face for face in bm.faces if not face.select \
         and not face.hide]:
@@ -558,7 +557,7 @@ def get_mapping(derived, bm, bm_mod, single_vertices, full_search, loops):
                             if v not in verts:
                                 verts.append(v)
                     break
-    
+
     # create mapping of derived indices to indices
     mapping = dict([[vert, -1] for loop in loops for vert in loop[0]])
     if single_vertices:
@@ -571,7 +570,7 @@ def get_mapping(derived, bm, bm_mod, single_vertices, full_search, loops):
                 mapping[v_mod.index] = v.index
                 verts_mod.remove(v_mod)
                 break
-    
+
     return(mapping)
 
 
@@ -593,7 +592,7 @@ def matrix_invert(m):
         m[0][2]*m[1][0] - m[0][0]*m[1][2]),
         (m[1][0]*m[2][1] - m[1][1]*m[2][0], m[0][1]*m[2][0] - m[0][0]*m[2][1],
         m[0][0]*m[1][1] - m[0][1]*m[1][0])))
-    
+
     return (r * (1 / matrix_determinant(m)))
 
 
@@ -613,7 +612,7 @@ def get_parallel_loops(bm_mod, loops):
     # variables to keep track while iterating
     all_edgeloops = []
     has_branches = False
-    
+
     for loop in edgeloops:
         # initialise with original loop
         all_edgeloops.append(loop[0])
@@ -624,7 +623,7 @@ def get_parallel_loops(bm_mod, loops):
                 verts_used.append(edge[0])
             if edge[1] not in verts_used:
                 verts_used.append(edge[1])
-        
+
         # find parallel loops
         while len(newloops) > 0:
             side_a = []
@@ -663,18 +662,18 @@ def get_parallel_loops(bm_mod, loops):
                             break
                         forbidden_side = "b"
                         continue
-            
+
             if has_branches:
                 # weird input with branches
                 break
-            
+
             newloops.pop(-1)
             sides = []
             if side_a:
                 sides.append(side_a)
             if side_b:
                 sides.append(side_b)
-            
+
             for side in sides:
                 extraloop = []
                 for fi in side:
@@ -690,11 +689,11 @@ def get_parallel_loops(bm_mod, loops):
                                 verts_used.append(new_vert)
                     newloops.append(extraloop)
                     all_edgeloops.append(extraloop)
-    
+
     # input contains branches, only return selected loop
     if has_branches:
         return(loops)
-    
+
     # change edgeloops into normal loops
     loops = []
     for edgeloop in all_edgeloops:
@@ -723,7 +722,7 @@ def get_parallel_loops(bm_mod, loops):
             else:
                 circular = False
         loops.append([loop, circular])
-    
+
     return(loops)
 
 
@@ -737,7 +736,7 @@ def initialise():
         bpy.ops.object.mode_set(mode='OBJECT')
         bpy.ops.object.mode_set(mode='EDIT')
     bm = bmesh.from_edit_mesh(object.data)
-    
+
     return(global_undo, object, bm)
 
 
@@ -759,7 +758,7 @@ def move_verts(object, bm, mapping, move, influence):
     object.data.update()
 
 
-# load custom tool settings 
+# load custom tool settings
 def settings_load(self):
     lt = bpy.context.window_manager.looptools
     tool = self.name.split()[0].lower()
@@ -795,7 +794,7 @@ def terminate(global_undo):
 def bridge_calculate_cubic_spline(bm, coordinates):
     result = []
     x = [0, 1, 2, 3]
-    
+
     for j in range(3):
         a = []
         for i in coordinates:
@@ -830,13 +829,13 @@ def bridge_calculate_cubic_spline(bm, coordinates):
     return(spline)
 
 
-# return a list with new vertex location vectors, a list with face vertex 
+# return a list with new vertex location vectors, a list with face vertex
 # integers, and the highest vertex integer in the virtual mesh
 def bridge_calculate_geometry(bm, lines, vertex_normals, segments,
 interpolation, cubic_strength, min_width, max_vert_index):
     new_verts = []
     faces = []
-    
+
     # calculate location based on interpolation method
     def get_location(line, segment, splines):
         v1 = bm.verts[lines[line][0]].co
@@ -852,7 +851,7 @@ interpolation, cubic_strength, min_width, max_vert_index):
             az,bz,cz,dz,tz = splines[line][2]
             z = az+bz*m+cz*m**2+dz*m**3
             return mathutils.Vector((x, y, z))
-        
+
     # no interpolation needed
     if segments == 1:
         for i, line in enumerate(lines):
@@ -872,7 +871,7 @@ interpolation, cubic_strength, min_width, max_vert_index):
                     v2+size*vertex_normals[line[1]]]))
         else:
             splines = False
-        
+
         # create starting situation
         virtual_width = [(bm.verts[lines[i][0]].co -
                           bm.verts[lines[i+1][0]].co).length for i
@@ -881,13 +880,13 @@ interpolation, cubic_strength, min_width, max_vert_index):
             segments)]
         first_line_indices = [i for i in range(max_vert_index+1,
             max_vert_index+segments)]
-        
+
         prev_verts = new_verts[:] # vertex locations of verts on previous line
         prev_vert_indices = first_line_indices[:]
         max_vert_index += segments - 1 # highest vertex index in virtual mesh
         next_verts = [] # vertex locations of verts on current line
         next_vert_indices = []
-        
+
         for i, line in enumerate(lines):
             if i < len(lines)-1:
                 v1 = line[0]
@@ -924,12 +923,12 @@ interpolation, cubic_strength, min_width, max_vert_index):
                             next_vert_indices.append(max_vert_index)
                 if end_face:
                     faces.append([v1, v2, lines[i+1][1], line[1]])
-                
+
                 prev_verts = next_verts[:]
                 prev_vert_indices = next_vert_indices[:]
                 next_verts = []
                 next_vert_indices = []
-    
+
     return(new_verts, faces, max_vert_index)
 
 
@@ -940,7 +939,7 @@ def bridge_calculate_lines(bm, loops, mode, twist, reverse):
     loop1_circular, loop2_circular = [i[1] for i in loops]
     circular = loop1_circular or loop2_circular
     circle_full = False
-    
+
     # calculate loop centers
     centers = []
     for loop in [loop1, loop2]:
@@ -956,7 +955,7 @@ def bridge_calculate_lines(bm, loops, mode, twist, reverse):
                 centers[i] += mathutils.Vector((0.01, 0, 0))
                 break
     center1, center2 = centers
-    
+
     # calculate the normals of the virtual planes that the loops are on
     normals = []
     normal_plurity = False
@@ -1012,7 +1011,7 @@ def bridge_calculate_lines(bm, loops, mode, twist, reverse):
     if ((center2 + normals[1]) - center1).length > \
     ((center2 - normals[1]) - center1).length:
         normals[1].negate()
-    
+
     # rotation matrix, representing the difference between the plane normals
     axis = normals[0].cross(normals[1])
     axis = mathutils.Vector([loc if abs(loc) > 1e-8 else 0 for loc in axis])
@@ -1020,14 +1019,14 @@ def bridge_calculate_lines(bm, loops, mode, twist, reverse):
         axis.negate()
     angle = normals[0].dot(normals[1])
     rotation_matrix = mathutils.Matrix.Rotation(angle, 4, axis)
-    
+
     # if circular, rotate loops so they are aligned
     if circular:
         # make sure loop1 is the circular one (or both are circular)
         if loop2_circular and not loop1_circular:
             loop1_circular, loop2_circular = True, False
             loop1, loop2 = loop2, loop1
-        
+
         # match start vertex of loop1 with loop2
         target_vector = bm.verts[loop2[0]].co - center2
         dif_angles = [[(rotation_matrix * (bm.verts[vertex].co - center1)
@@ -1041,7 +1040,7 @@ def bridge_calculate_lines(bm, loops, mode, twist, reverse):
                 angle, distance, index in dif_angles if angle <= angle_limit]
             dif_angles.sort()
         loop1 = loop1[dif_angles[0][2]:] + loop1[:dif_angles[0][2]]
-    
+
     # have both loops face the same way
     if normal_plurity and not circular:
         second_to_first, second_to_second, second_to_last = \
@@ -1071,7 +1070,7 @@ def bridge_calculate_lines(bm, loops, mode, twist, reverse):
             loop1.reverse()
             if circular:
                 loop1 = [loop1[-1]] + loop1[:-1]
-    
+
     # both loops have the same length
     if len(loop1) == len(loop2):
         # manual override
@@ -1080,25 +1079,25 @@ def bridge_calculate_lines(bm, loops, mode, twist, reverse):
                 loop1 = loop1[twist:]+loop1[:twist]
         if reverse:
             loop1.reverse()
-        
+
         lines.append([loop1[0], loop2[0]])
         for i in range(1, len(loop1)):
             lines.append([loop1[i], loop2[i]])
-    
+
     # loops of different lengths
     else:
         # make loop1 longest loop
         if len(loop2) > len(loop1):
             loop1, loop2 = loop2, loop1
             loop1_circular, loop2_circular = loop2_circular, loop1_circular
-        
+
         # manual override
         if twist:
             if abs(twist) < len(loop1):
                 loop1 = loop1[twist:]+loop1[:twist]
         if reverse:
             loop1.reverse()
-            
+
         # shortest angle difference doesn't always give correct start vertex
         if loop1_circular and not loop2_circular:
             shifting = 1
@@ -1115,7 +1114,7 @@ def bridge_calculate_lines(bm, loops, mode, twist, reverse):
                 else:
                     shifting = False
                     break
-        
+
         # basic shortest side first
         if mode == 'basic':
             lines.append([loop1[0], loop2[0]])
@@ -1126,7 +1125,7 @@ def bridge_calculate_lines(bm, loops, mode, twist, reverse):
                 else:
                     # quads
                     lines.append([loop1[i], loop2[i]])
-        
+
         # shortest edge algorithm
         else: # mode == 'shortest'
             lines.append([loop1[0], loop2[0]])
@@ -1151,7 +1150,7 @@ def bridge_calculate_lines(bm, loops, mode, twist, reverse):
                     tri, quad = [(bm.verts[loop1[i+1]].co -
                                   bm.verts[loop2[j]].co).length
                                  for j in range(prev_vert2, prev_vert2+2)]
-                
+
                 # triangle
                 if tri < quad:
                     lines.append([loop1[i+1], loop2[prev_vert2]])
@@ -1166,11 +1165,11 @@ def bridge_calculate_lines(bm, loops, mode, twist, reverse):
                     lines.append([loop1[i+1], loop2[0]])
                     prev_vert2 = 0
                     circle_full = True
-    
+
     # final face for circular loops
     if loop1_circular and loop2_circular:
         lines.append([loop1[0], loop2[0]])
-    
+
     return(lines)
 
 
@@ -1179,22 +1178,22 @@ def bridge_calculate_segments(bm, lines, loops, segments):
     # return if amount of segments is set by user
     if segments != 0:
         return segments
-    
+
     # edge lengths
     average_edge_length = [(bm.verts[vertex].co - \
         bm.verts[loop[0][i+1]].co).length for loop in loops for \
         i, vertex in enumerate(loop[0][:-1])]
     # closing edges of circular loops
     average_edge_length += [(bm.verts[loop[0][-1]].co - \
-        bm.verts[loop[0][0]].co).length for loop in loops if loop[1]] 
-    
+        bm.verts[loop[0][0]].co).length for loop in loops if loop[1]]
+
     # average lengths
     average_edge_length = sum(average_edge_length) / len(average_edge_length)
     average_bridge_length = sum([(bm.verts[v1].co - \
         bm.verts[v2].co).length for v1, v2 in lines]) / len(lines)
-    
+
     segments = max(1, round(average_bridge_length / average_edge_length))
-        
+
     return(segments)
 
 
@@ -1203,7 +1202,7 @@ def bridge_calculate_virtual_vertex_normals(bm, lines, loops, edge_faces,
 edgekey_to_edge):
     if not edge_faces: # interpolation isn't set to cubic
         return False
-    
+
     # pity reduce() isn't one of the basic functions in python anymore
     def average_vector_dictionary(dic):
         for key, vectors in dic.items():
@@ -1215,7 +1214,7 @@ edgekey_to_edge):
                 average /= len(vectors)
                 dic[key] = [average]
         return dic
-    
+
     # get all edges of the loop
     edges = [[edgekey_to_edge[tuple(sorted([loops[j][0][i],
         loops[j][0][i+1]]))] for i in range(len(loops[j][0])-1)] for \
@@ -1225,17 +1224,17 @@ edgekey_to_edge):
         if loops[j][1]: # circular
             edges.append(edgekey_to_edge[tuple(sorted([loops[j][0][0],
                 loops[j][0][-1]]))])
-    
+
     """
     calculation based on face topology (assign edge-normals to vertices)
-    
+
     edge_normal = face_normal x edge_vector
     vertex_normal = average(edge_normals)
     """
     vertex_normals = dict([(vertex, []) for vertex in loops[0][0]+loops[1][0]])
     for edge in edges:
         faces = edge_faces[edgekey(edge)] # valid faces connected to edge
-        
+
         if faces:
             # get edge coordinates
             v1, v2 = [bm.verts[edgekey(edge)[i]].co for i in [0,1]]
@@ -1244,7 +1243,7 @@ edgekey_to_edge):
                 # zero-length edge, vertices at same location
                 continue
             edge_center = (v1 + v2) / 2
-            
+
             # average face coordinates, if connected to more than 1 valid face
             if len(faces) > 1:
                 face_normal = mathutils.Vector()
@@ -1260,7 +1259,7 @@ edgekey_to_edge):
             if face_normal.length < 1e-4:
                 # faces with a surface of 0 have no face normal
                 continue
-            
+
             # calculate virtual edge normal
             edge_normal = edge_vector.cross(face_normal)
             edge_normal.length = 0.01
@@ -1272,17 +1271,17 @@ edgekey_to_edge):
             # add virtual edge normal as entry for both vertices it connects
             for vertex in edgekey(edge):
                 vertex_normals[vertex].append(edge_normal)
-    
-    """ 
-    calculation based on connection with other loop (vertex focused method) 
+
+    """
+    calculation based on connection with other loop (vertex focused method)
     - used for vertices that aren't connected to any valid faces
-    
+
     plane_normal = edge_vector x connection_vector
     vertex_normal = plane_normal x edge_vector
     """
     vertices = [vertex for vertex, normal in vertex_normals.items() if not \
         normal]
-    
+
     if vertices:
         # edge vectors connected to vertices
         edge_vectors = dict([[vertex, []] for vertex in vertices])
@@ -1295,7 +1294,7 @@ edgekey_to_edge):
                         # zero-length edge, vertices at same location
                         continue
                     edge_vectors[v].append(edge_vector)
-    
+
         # connection vectors between vertices of both loops
         connection_vectors = dict([[vertex, []] for vertex in vertices])
         connections = dict([[vertex, []] for vertex in vertices])
@@ -1315,14 +1314,14 @@ edgekey_to_edge):
         connection_vectors = average_vector_dictionary(connection_vectors)
         connection_vectors = dict([[vertex, vector[0]] if vector else \
             [vertex, []] for vertex, vector in connection_vectors.items()])
-        
+
         for vertex, values in edge_vectors.items():
             # vertex normal doesn't matter, just assign a random vector to it
             if not connection_vectors[vertex]:
                 vertex_normals[vertex] = [mathutils.Vector((1, 0, 0))]
                 continue
-            
-            # calculate to what location the vertex is connected, 
+
+            # calculate to what location the vertex is connected,
             # used to determine what way to flip the normal
             connected_center = mathutils.Vector()
             for v in connections[vertex]:
@@ -1333,7 +1332,7 @@ edgekey_to_edge):
                 # shouldn't be possible, but better safe than sorry
                 vertex_normals[vertex] = [mathutils.Vector((1, 0, 0))]
                 continue
-            
+
             # can't do proper calculations, because of zero-length vector
             if not values:
                 if (connected_center - (bm.verts[vertex].co + \
@@ -1344,7 +1343,7 @@ edgekey_to_edge):
                 vertex_normals[vertex] = [connection_vectors[vertex].\
                     normalized()]
                 continue
-            
+
             # calculate vertex normals using edge-vectors,
             # connection-vectors and the derived plane normal
             for edge_vector in values:
@@ -1358,12 +1357,12 @@ edgekey_to_edge):
                     vertex_normal.negate()
                 vertex_normal.normalize()
                 vertex_normals[vertex].append(vertex_normal)
-    
+
     # average virtual vertex normals, based on all edges it's connected to
     vertex_normals = average_vector_dictionary(vertex_normals)
     vertex_normals = dict([[vertex, vector[0]] for vertex, vector in \
         vertex_normals.items()])
-    
+
     return(vertex_normals)
 
 
@@ -1380,7 +1379,7 @@ def bridge_create_faces(object, bm, faces, twist):
         [face.reverse() for face in faces]
         faces = [face[2:]+face[:2] if face[0]==face[1] else face for \
             face in faces]
-    
+
     # eekadoodle prevention
     for i in range(len(faces)):
         if not faces[i][-1]:
@@ -1391,7 +1390,7 @@ def bridge_create_faces(object, bm, faces, twist):
         # result of converting from pre-bmesh period
         if faces[i][-1] == faces[i][-2]:
             faces[i] = faces[i][:-1]
-    
+
     new_faces = []
     for i in range(len(faces)):
         new_faces.append(bm.faces.new([bm.verts[v] for v in faces[i]]))
@@ -1413,12 +1412,12 @@ def bridge_get_input(bm):
         else:
             edge_count[ek] = 1
     internal_edges = [ek for ek in edge_count if edge_count[ek] > 1]
-    
+
     # sort correct edges into loops
     selected_edges = [edgekey(edge) for edge in bm.edges if edge.select \
         and not edge.hide and edgekey(edge) not in internal_edges]
     loops = get_connected_selections(selected_edges)
-    
+
     return(loops)
 
 
@@ -1441,18 +1440,18 @@ def bridge_initialise(bm, interpolation):
     else:
         edge_faces = False
         edgekey_to_edge = False
-    
+
     # selected faces input
     old_selected_faces = [face.index for face in bm.faces if face.select \
         and not face.hide]
-    
+
     # find out if faces created by bridging should be smoothed
     smooth = False
     if bm.faces:
         if sum([face.smooth for face in bm.faces])/len(bm.faces) \
         >= 0.5:
             smooth = True
-    
+
     return(edge_faces, edgekey_to_edge, old_selected_faces, smooth)
 
 
@@ -1466,7 +1465,7 @@ def bridge_input_method(loft, loft_loop):
             method = "Loft no-loop"
     else:
         method = "Bridge"
-    
+
     return(method)
 
 
@@ -1483,7 +1482,7 @@ def bridge_match_loops(bm, loops):
             center += bm.verts[vertex].co
         normals.append(normal / len(vertices) / 10)
         centers.append(center / len(vertices))
-    
+
     # possible matches if loop normals are faced towards the center
     # of the other loop
     matches = dict([[i, []] for i in range(len(loops))])
@@ -1504,7 +1503,7 @@ def bridge_match_loops(bm, loops):
                 matches[j].append([(centers[i] - centers[j]).length, j, i])
     for key, value in matches.items():
         value.sort()
-    
+
     # matches based on distance between centers and number of vertices in loops
     new_order = []
     for loop_index in range(len(loops)):
@@ -1523,11 +1522,11 @@ def bridge_match_loops(bm, loops):
             if match[3] not in new_order:
                 new_order += [loop_index, match[3]]
                 break
-    
+
     # reorder loops based on matches
     if len(new_order) >= 2:
         loops = [loops[i] for i in new_order]
-    
+
     return(loops)
 
 
@@ -1538,7 +1537,7 @@ def bridge_remove_internal_faces(bm, old_selected_faces):
     edges = collections.Counter([edge.index for face in remove_faces for \
         edge in face.edges])
     remove_edges = [bm.edges[edge] for edge in edges if edges[edge] > 1]
-    
+
     # remove internal faces and edges
     for face in remove_faces:
         bm.faces.remove(face)
@@ -1552,7 +1551,7 @@ def bridge_save_unused_faces(bm, old_selected_faces, loops):
     vertex_to_face = dict([[i, []] for i in range(len(bm.verts))])
     [[vertex_to_face[vertex.index].append(face) for vertex in \
         bm.faces[face].verts] for face in old_selected_faces]
-    
+
     # group selected faces that are connected
     groups = []
     grouped_faces = []
@@ -1572,13 +1571,13 @@ def bridge_save_unused_faces(bm, old_selected_faces, loops):
                 group += vertex_face_group
             new_faces.pop(0)
         groups.append(group)
-    
+
     # key: vertex index, value: True/False (is it in a loop that is used)
     used_vertices = dict([[i, 0] for i in range(len(bm.verts))])
     for loop in loops:
         for vertex in loop[0]:
             used_vertices[vertex] = True
-    
+
     # check if group is bridged, if not remove faces from internal faces list
     for group in groups:
         used = False
@@ -1607,7 +1606,7 @@ def bridge_sort_loops(bm, loops, loft_loop):
     x, y, z = [[sum([bm.verts[i].co[j] for i in loop[0]]) / \
         len(loop[0]) for loop in loops] for j in range(3)]
     nodes = [mathutils.Vector((x[i], y[i], z[i])) for i in range(len(loops))]
-    
+
     active_node = 0
     open = [i for i in range(1, len(loops))]
     path = [[0,0]]
@@ -1624,13 +1623,13 @@ def bridge_sort_loops(bm, loops, loft_loop):
             path.reverse()
             path = path[:-i] + temp
             break
-    
+
     # reorder loops
     loops = [loops[i[0]] for i in path]
     # if requested, duplicate first loop at last position, so loft can loop
     if loft_loop:
         loops = loops + [loops[0]]
-    
+
     return(loops)
 
 
@@ -1641,10 +1640,10 @@ def bridge_update_old_selection(bm, old_selected_faces):
     #for i, face in enumerate(bm.faces):
     #    if face.index in old_indices:
     #        old_selected_faces.append(i)
-    
+
     old_selected_faces = [i for i, face in enumerate(bm.faces) if face.index \
         in old_selected_faces]
-    
+
     return(old_selected_faces)
 
 
@@ -1666,7 +1665,7 @@ def circle_3d_to_2d(bm_mod, loop, com, normal):
         m = mathutils.Vector((normal[0], normal[1] + 1.0, normal[2]))
         p = m - (m.dot(normal) * normal)
     q = p.cross(normal)
-    
+
     # change to 2d coordinates using perpendicular projection
     locs_2d = []
     for loc, vert in verts_projected:
@@ -1674,7 +1673,7 @@ def circle_3d_to_2d(bm_mod, loop, com, normal):
         x = p.dot(vloc) / p.dot(p)
         y = q.dot(vloc) / q.dot(q)
         locs_2d.append([x, y, vert])
-    
+
     return(locs_2d, p, q)
 
 
@@ -1684,7 +1683,7 @@ def circle_calculate_best_fit(locs_2d):
     x0 = 0.0
     y0 = 0.0
     r = 1.0
-    
+
     # calculate center and radius (non-linear least squares solution)
     for iter in range(500):
         jmat = []
@@ -1720,7 +1719,7 @@ def circle_calculate_best_fit(locs_2d):
         # stop iterating if we're close enough to optimal solution
         if abs(dx0)<1e-6 and abs(dy0)<1e-6 and abs(dr)<1e-6:
             break
-    
+
     # return center of circle and radius
     return(x0, y0, r)
 
@@ -1733,7 +1732,7 @@ def circle_calculate_min_fit(locs_2d):
     center = mathutils.Vector([x0, y0])
     # radius of circle
     r = min([(mathutils.Vector([i[0], i[1]])-center).length for i in locs_2d])
-    
+
     # return center of circle and radius
     return(x0, y0, r)
 
@@ -1744,10 +1743,10 @@ def circle_calculate_verts(flatten, bm_mod, locs_2d, com, p, q, normal):
     locs_3d = []
     for loc in locs_2d:
         locs_3d.append([loc[2], loc[0]*p + loc[1]*q + com])
-    
+
     if flatten: # flat circle
         return(locs_3d)
-    
+
     else: # project the locations on the existing mesh
         vert_edges = dict_vert_edges(bm_mod)
         vert_faces = dict_vert_faces(bm_mod)
@@ -1828,7 +1827,7 @@ def circle_calculate_verts(flatten, bm_mod, locs_2d, com, p, q, normal):
                 # nothing to project on, remain at flat location
                 projection = loc[1]
             new_locs.append([loc[0], projection])
-        
+
         # return new positions of projected circle
         return(new_locs)
 
@@ -1873,7 +1872,7 @@ def circle_check_loops(single_loops, loops, mapping, bm_mod):
         # passed all tests, loop is valid
         valid_loops.append([loop, circular])
         valid_single_loops[len(valid_loops)-1] = single_loops[i]
-    
+
     return(valid_single_loops, valid_loops)
 
 
@@ -1883,7 +1882,7 @@ def circle_flatten_singles(bm_mod, com, p, q, normal, single_loop):
     for vert in single_loop:
         loc = mathutils.Vector(bm_mod.verts[vert].co[:])
         new_locs.append([vert,  loc - (loc-com).dot(normal)*normal])
-    
+
     return(new_locs)
 
 
@@ -1891,7 +1890,7 @@ def circle_flatten_singles(bm_mod, com, p, q, normal, single_loop):
 def circle_get_input(object, bm, scene):
     # get mesh with modifiers applied
     derived, bm_mod = get_derived_bmesh(object, bm, scene)
-    
+
     # create list of edge-keys based on selection state
     faces = False
     for face in bm.faces:
@@ -1914,7 +1913,7 @@ def circle_get_input(object, bm, scene):
         # no faces, so no internal edges either
         edge_keys = [edgekey(edge) for edge in bm_mod.edges if edge.select \
             and not edge.hide]
-    
+
     # add edge-keys around single vertices
     verts_connected = dict([[vert, 1] for edge in [edge for edge in \
         bm_mod.edges if edge.select and not edge.hide] for vert in \
@@ -1922,7 +1921,7 @@ def circle_get_input(object, bm, scene):
     single_vertices = [vert.index for vert in bm_mod.verts if \
         vert.select and not vert.hide and not \
         verts_connected.get(vert.index, False)]
-    
+
     if single_vertices and len(bm.faces)>0:
         vert_to_single = dict([[v.index, []] for v in bm_mod.verts \
             if not v.hide])
@@ -1939,10 +1938,10 @@ def circle_get_input(object, bm, scene):
                             if vert not in vert_to_single[ek[1]]:
                                 vert_to_single[ek[1]].append(vert)
                     break
-    
+
     # sort edge-keys into loops
     loops = get_connected_selections(edge_keys)
-    
+
     # find out to which loops the single vertices belong
     single_loops = dict([[i, []] for i in range(len(loops))])
     if single_vertices and len(bm.faces)>0:
@@ -1952,7 +1951,7 @@ def circle_get_input(object, bm, scene):
                     for single in vert_to_single[vert]:
                         if single not in single_loops[i]:
                             single_loops[i].append(single)
-    
+
     return(derived, bm_mod, single_vertices, single_loops, loops)
 
 
@@ -1964,7 +1963,7 @@ def circle_influence_locs(locs_2d, new_locs_2d, influence):
         altx = newx*(influence/100)+ oldx*((100-influence)/100)
         alty = newy*(influence/100)+ oldy*((100-influence)/100)
         locs_2d[i] = [altx, alty, j]
-    
+
     return(locs_2d)
 
 
@@ -1975,7 +1974,7 @@ def circle_project_non_regular(locs_2d, x0, y0, r):
         loc = mathutils.Vector([x-x0, y-y0])
         loc.length = r
         locs_2d[i] = [loc[0], loc[1], j]
-    
+
     return(locs_2d)
 
 
@@ -2001,7 +2000,7 @@ def circle_project_regular(locs_2d, x0, y0, r):
         x = math.cos(t) * r
         y = math.sin(t) * r
         locs_2d[i] = [x, y, locs_2d[i][2]]
-    
+
     return(locs_2d)
 
 
@@ -2013,7 +2012,7 @@ def circle_shift_loop(bm_mod, loop, com):
     distances.sort()
     shift = distances[0][1]
     loop = [verts[shift:] + verts[:shift], circular]
-    
+
     return(loop)
 
 
@@ -2094,7 +2093,7 @@ def curve_calculate_knots(loop, verts_selected):
             knots.insert(0, loop[0][0])
         if loop[0][-1] not in knots:
             knots.append(loop[0][-1])
-    
+
     return(knots, points)
 
 
@@ -2103,7 +2102,7 @@ def curve_calculate_t(bm_mod, knots, points, pknots, regular, circular):
     tpoints = []
     loc_prev = False
     len_total = 0
-    
+
     for p in points:
         if p in knots:
             loc = pknots[knots.index(p)] # use projected knot location
@@ -2120,7 +2119,7 @@ def curve_calculate_t(bm_mod, knots, points, pknots, regular, circular):
             tknots.append(tpoints[points.index(p)])
     if circular:
         tknots[-1] = tpoints[-1]
-    
+
     # regular option
     if regular:
         tpoints_average = tpoints[-1] / (len(tpoints) - 1)
@@ -2130,8 +2129,8 @@ def curve_calculate_t(bm_mod, knots, points, pknots, regular, circular):
             tknots[i] = tpoints[points.index(knots[i])]
         if circular:
             tknots[-1] = tpoints[-1]
-    
-    
+
+
     return(tknots, tpoints)
 
 
@@ -2140,7 +2139,7 @@ def curve_calculate_vertices(bm_mod, knots, tknots, points, tpoints, splines,
 interpolation, restriction):
     newlocs = {}
     move = []
-    
+
     for p in points:
         if p in knots:
             continue
@@ -2156,7 +2155,7 @@ interpolation, restriction):
             n = len(splines) - 1
         elif n < 0:
             n = 0
-        
+
         if interpolation == 'cubic':
             ax, bx, cx, dx, tx = splines[n][0]
             x = ax + bx*(m-tx) + cx*(m-tx)**2 + dx*(m-tx)**3
@@ -2173,7 +2172,7 @@ interpolation, restriction):
             newlocs[p] = newloc
         else: # set the vertex to its new location
             move.append([p, newloc])
-        
+
     if restriction != 'none': # vertex movement is restricted
         for p in points:
             if p in newlocs:
@@ -2212,7 +2211,7 @@ def curve_cut_boundaries(bm_mod, loops):
             cut_loops.append([loop[first:], circular])
         else:
             cut_loops.append([loop[first:last], circular])
-    
+
     return(cut_loops)
 
 
@@ -2220,7 +2219,7 @@ def curve_cut_boundaries(bm_mod, loops):
 def curve_get_input(object, bm, boundaries, scene):
     # get mesh with modifiers applied
     derived, bm_mod = get_derived_bmesh(object, bm, scene)
-    
+
     # vertices that still need a loop to run through it
     verts_unsorted = [v.index for v in bm_mod.verts if \
         v.select and not v.hide]
@@ -2228,13 +2227,13 @@ def curve_get_input(object, bm, boundaries, scene):
     vert_edges = dict_vert_edges(bm_mod)
     edge_faces = dict_edge_faces(bm_mod)
     correct_loops = []
-    
+
     # find loops through each selected vertex
     while len(verts_unsorted) > 0:
         loops = curve_vertex_loops(bm_mod, verts_unsorted[0], vert_edges,
             edge_faces)
         verts_unsorted.pop(0)
-        
+
         # check if loop is fully selected
         search_perpendicular = False
         i = -1
@@ -2261,11 +2260,11 @@ def curve_get_input(object, bm, boundaries, scene):
         else:
             for loop, circular in loops:
                 correct_loops.append([loop, circular])
-    
+
     # boundaries option
     if boundaries:
         correct_loops = curve_cut_boundaries(bm_mod, correct_loops)
-    
+
     return(derived, bm_mod, correct_loops)
 
 
@@ -2282,7 +2281,7 @@ def curve_perpendicular_loops(bm_mod, start_loop, vert_edges, edge_faces):
                 continue
             else:
                 perp_loops.append([loop, circular, loop.index(start_vert)])
-    
+
     # trim loops to same lengths
     shortest = [[len(loop[0]), i] for i, loop in enumerate(perp_loops)\
         if not loop[1]]
@@ -2320,7 +2319,7 @@ def curve_perpendicular_loops(bm_mod, start_loop, vert_edges, edge_faces):
         start = max(0, loop[2] - before_start)
         end = min(len(loop[0]), loop[2] + after_start + 1)
         trimmed_loops.append([loop[0][start:end], False])
-    
+
     return(trimmed_loops)
 
 
@@ -2334,7 +2333,7 @@ def curve_project_knots(bm_mod, verts_selected, knots, points, circular):
         v3 -= v1
         p = v3.project(v2)
         return(p + v1)
-    
+
     if circular: # project all knots
         start = 0
         end = len(knots)
@@ -2369,7 +2368,7 @@ def curve_project_knots(bm_mod, verts_selected, knots, points, circular):
             pknots.append(mathutils.Vector(bm_mod.verts[knot].co[:]))
     if not circular:
         pknots.append(mathutils.Vector(bm_mod.verts[knots[-1]].co[:]))
-    
+
     return(pknots)
 
 
@@ -2377,7 +2376,7 @@ def curve_project_knots(bm_mod, verts_selected, knots, points, circular):
 def curve_vertex_loops(bm_mod, start_vert, vert_edges, edge_faces):
     edges_used = []
     loops = []
-        
+
     for edge in vert_edges[start_vert]:
         if edge in edges_used:
             continue
@@ -2424,7 +2423,7 @@ def curve_vertex_loops(bm_mod, start_vert, vert_edges, edge_faces):
                 break
             loop.reverse()
         loops.append([loop, circular])
-    
+
     return(loops)
 
 
@@ -2437,11 +2436,11 @@ def flatten_get_input(bm):
     vert_verts = dict_vert_verts([edgekey(edge) for edge in bm.edges \
         if edge.select and not edge.hide])
     verts = [v.index for v in bm.verts if v.select and not v.hide]
-    
+
     # no connected verts, consider all selected verts as a single input
     if not vert_verts:
         return([[verts, False]])
-    
+
     loops = []
     while len(verts) > 0:
         # start of loop
@@ -2462,7 +2461,7 @@ def flatten_get_input(bm):
             to_grow += vert_verts[new_vert]
         # add loop to loops
         loops.append([loop, False])
-    
+
     return(loops)
 
 
@@ -2471,7 +2470,7 @@ def flatten_project(bm, loop, com, normal):
     verts = [bm.verts[v] for v in loop[0]]
     verts_projected = [[v.index, mathutils.Vector(v.co[:]) - \
         (mathutils.Vector(v.co[:])-com).dot(normal)*normal] for v in verts]
-    
+
     return(verts_projected)
 
 
@@ -2492,32 +2491,32 @@ class gstretch_fake_stroke_point():
 
 
 # flips loops, if necessary, to obtain maximum alignment to stroke
-def gstretch_align_pairs(ls_pairs, object, bm_mod, method):    
+def gstretch_align_pairs(ls_pairs, object, bm_mod, method):
     # returns total distance between all verts in loop and corresponding stroke
     def distance_loop_stroke(loop, stroke, object, bm_mod, method):
         stroke_lengths_cache = False
         loop_length = len(loop[0])
         total_distance = 0
-        
+
         if method != 'regular':
             relative_lengths = gstretch_relative_lengths(loop, bm_mod)
-        
+
         for i, v_index in enumerate(loop[0]):
             if method == 'regular':
                 relative_distance = i / (loop_length - 1)
             else:
                 relative_distance = relative_lengths[i]
-            
+
             loc1 = object.matrix_world * bm_mod.verts[v_index].co
             loc2, stroke_lengths_cache = gstretch_eval_stroke(stroke,
                 relative_distance, stroke_lengths_cache)
             total_distance += (loc2 - loc1).length
-    
+
         return(total_distance)
-    
+
     if ls_pairs:
         for (loop, stroke) in ls_pairs:
-            distance_loop_stroke 
+            distance_loop_stroke
             total_dist = distance_loop_stroke(loop, stroke, object, bm_mod,
                 method)
             loop[0].reverse()
@@ -2525,7 +2524,7 @@ def gstretch_align_pairs(ls_pairs, object, bm_mod, method):
                 method)
             if total_dist_rev > total_dist:
                 loop[0].reverse()
-    
+
     return(ls_pairs)
 
 
@@ -2535,7 +2534,7 @@ def gstretch_calculate_verts(loop, stroke, object, bm_mod, method):
     stroke_lengths_cache = False
     loop_length = len(loop[0])
     matrix_inverse = object.matrix_world.inverted()
-    
+
     # return intersection of line with stroke, or None
     def intersect_line_stroke(vec1, vec2, stroke):
         for i, p in enumerate(stroke.points[1:]):
@@ -2548,11 +2547,11 @@ def gstretch_calculate_verts(loop, stroke, object, bm_mod, method):
                 if -1 < dist < 1:
                     return(intersections[0])
         return(None)
-    
+
     if method == 'project':
         projection_vectors = []
         vert_edges = dict_vert_edges(bm_mod)
-        
+
         for v_index in loop[0]:
             for ek in vert_edges[v_index]:
                 v1, v2 = ek
@@ -2570,11 +2569,11 @@ def gstretch_calculate_verts(loop, stroke, object, bm_mod, method):
                     stroke)
             if intersection:
                 move.append([v_index, matrix_inverse * intersection])
-    
+
     else:
         if method == 'irregular':
             relative_lengths = gstretch_relative_lengths(loop, bm_mod)
-        
+
         for i, v_index in enumerate(loop[0]):
             if method == 'regular':
                 relative_distance = i / (loop_length - 1)
@@ -2584,7 +2583,7 @@ def gstretch_calculate_verts(loop, stroke, object, bm_mod, method):
                 relative_distance, stroke_lengths_cache)
             loc = matrix_inverse * loc
             move.append([v_index, loc])
-    
+
     return(move)
 
 
@@ -2595,7 +2594,7 @@ conversion_distance, conversion_max, conversion_min, conversion_vertices):
     stroke_verts = []
     mat_world = object.matrix_world.inverted()
     singles = gstretch_match_single_verts(bm_mod, strokes, mat_world)
-    
+
     for stroke in strokes:
         stroke_verts.append([stroke, []])
         min_end_point = 0
@@ -2662,7 +2661,7 @@ conversion_distance, conversion_max, conversion_min, conversion_vertices):
                 if m_stroke != stroke:
                     continue
                 bm_mod.edges.new((vert, verts_seq[point]))
-                
+
     bmesh.update_edit_mesh(object.data)
 
     return(move)
@@ -2704,7 +2703,7 @@ def gstretch_eval_stroke(stroke, distance, stroke_lengths_cache=False):
         stroke_lengths_cache = [length / total_length for length in
             lengths]
     stroke_lengths = stroke_lengths_cache[:]
-    
+
     if distance in stroke_lengths:
         loc = stroke.points[stroke_lengths.index(distance)].co
     elif distance > stroke_lengths[-1]:
@@ -2722,7 +2721,7 @@ def gstretch_eval_stroke(stroke, distance, stroke_lengths_cache=False):
             stroke.points[stroke_index-1].co
         loc = stroke.points[stroke_index-1].co + \
             distance_relative * interval_vector
-    
+
     return(loc, stroke_lengths_cache)
 
 
@@ -2751,7 +2750,7 @@ def gstretch_get_strokes(object):
     strokes = frame.strokes
     if len(strokes) < 1:
         return(None)
-    
+
     return(strokes)
 
 
@@ -2759,7 +2758,7 @@ def gstretch_get_strokes(object):
 def gstretch_match_loops_strokes(loops, strokes, object, bm_mod):
     if not loops or not strokes:
         return(None)
-    
+
     # calculate loop centers
     loop_centers = []
     for loop in loops:
@@ -2769,7 +2768,7 @@ def gstretch_match_loops_strokes(loops, strokes, object, bm_mod):
         center /= len(loop[0])
         center = object.matrix_world * center
         loop_centers.append([center, loop])
-    
+
     # calculate stroke centers
     stroke_centers = []
     for stroke in strokes:
@@ -2778,7 +2777,7 @@ def gstretch_match_loops_strokes(loops, strokes, object, bm_mod):
             center += p.co
         center /= len(stroke.points)
         stroke_centers.append([center, stroke, 0])
-    
+
     # match, first by stroke use count, then by distance
     ls_pairs = []
     for lc in loop_centers:
@@ -2789,7 +2788,7 @@ def gstretch_match_loops_strokes(loops, strokes, object, bm_mod):
         best_stroke = distances[0][2]
         ls_pairs.append([lc[1], stroke_centers[best_stroke][1]])
         stroke_centers[best_stroke][2] += 1 # increase stroke use count
-    
+
     return(ls_pairs)
 
 
@@ -2801,7 +2800,7 @@ def gstretch_match_single_verts(bm_mod, strokes, mat_world):
     for stroke in strokes:
         endpoints.append((mat_world * stroke.points[0].co, stroke, 0))
         endpoints.append((mat_world * stroke.points[-1].co, stroke, -1))
-    
+
     distances = []
     # find single vertices (not connected to other selected verts)
     for vert in bm_mod.verts:
@@ -2816,11 +2815,11 @@ def gstretch_match_single_verts(bm_mod, strokes, mat_world):
             continue
         # calculate distances from vertex to endpoints
         distance = [((vert.co - loc).length, vert, stroke, stroke_point,
-            endpoint_index) for endpoint_index, (loc, stroke, stroke_point) in 
+            endpoint_index) for endpoint_index, (loc, stroke, stroke_point) in
             enumerate(endpoints)]
         distance.sort()
         distances.append(distance[0])
-    
+
     # create matches, based on shortest distance first
     singles = []
     while distances:
@@ -2836,7 +2835,7 @@ def gstretch_match_single_verts(bm_mod, strokes, mat_world):
             distance_new.sort()
             distances_new.append(distance_new[0])
         distances = distances_new
-    
+
     return(singles)
 
 
@@ -2849,7 +2848,7 @@ def gstretch_relative_lengths(loop, bm_mod):
         total_length = max(lengths[-1], 1e-7)
         relative_lengths = [length / total_length for length in
             lengths]
-    
+
     return(relative_lengths)
 
 
@@ -2858,7 +2857,7 @@ def gstretch_safe_to_true_strokes(safe_strokes):
     strokes = []
     for safe_stroke in safe_strokes:
         strokes.append(gstretch_fake_stroke(safe_stroke))
-    
+
     return(strokes)
 
 
@@ -2867,7 +2866,7 @@ def gstretch_true_to_safe_strokes(strokes):
     safe_strokes = []
     for stroke in strokes:
         safe_strokes.append([p.co.copy() for p in stroke.points])
-    
+
     return(safe_strokes)
 
 
@@ -2940,7 +2939,7 @@ def relax_calculate_knots(loops):
             all_knots.append(k)
         for p in points:
             all_points.append(p)
-    
+
     return(all_knots, all_points)
 
 
@@ -2978,7 +2977,7 @@ def relax_calculate_t(bm_mod, knots, points, regular):
                 tpoints.append((tknots[p] + tknots[p+1]) / 2)
         all_tknots.append(tknots)
         all_tpoints.append(tpoints)
-    
+
     return(all_tknots, all_tpoints)
 
 
@@ -3001,7 +3000,7 @@ points, splines):
                 n = len(splines[i]) - 1
             elif n < 0:
                 n = 0
-            
+
             if interpolation == 'cubic':
                 ax, bx, cx, dx, tx = splines[i][n][0]
                 x = ax + bx*(m-tx) + cx*(m-tx)**2 + dx*(m-tx)**3
@@ -3017,7 +3016,7 @@ points, splines):
                 change.append([p, ((m-t)/u)*d + a])
     for c in change:
         move.append([c[0], (bm_mod.verts[c[0]].co + c[1]) / 2])
-    
+
     return(move)
 
 
@@ -3040,7 +3039,7 @@ def space_calculate_t(bm_mod, knots):
     amount = len(knots)
     t_per_segment = len_total / (amount - 1)
     tpoints = [i * t_per_segment for i in range(amount)]
-    
+
     return(tknots, tpoints)
 
 
@@ -3061,7 +3060,7 @@ splines):
             n = len(splines) - 1
         elif n < 0:
             n = 0
-        
+
         if interpolation == 'cubic':
             ax, bx, cx, dx, tx = splines[n][0]
             x = ax + bx*(m-tx) + cx*(m-tx)**2 + dx*(m-tx)**3
@@ -3073,7 +3072,7 @@ splines):
         else: # interpolation == 'linear'
             a, d, t, u = splines[n]
             move.append([p, ((m-t)/u)*d + a])
-    
+
     return(move)
 
 
@@ -3087,7 +3086,7 @@ class Bridge(bpy.types.Operator):
     bl_label = "Bridge / Loft"
     bl_description = "Bridge two, or loft several, loops of vertices"
     bl_options = {'REGISTER', 'UNDO'}
-    
+
     cubic_strength = bpy.props.FloatProperty(name = "Strength",
         description = "Higher strength results in more fluid curves",
         default = 1.0,
@@ -3135,16 +3134,16 @@ class Bridge(bpy.types.Operator):
     twist = bpy.props.IntProperty(name = "Twist",
         description = "Twist what vertices are connected to each other",
         default = 0)
-    
+
     @classmethod
     def poll(cls, context):
         ob = context.active_object
         return (ob and ob.type == 'MESH' and context.mode == 'EDIT_MESH')
-    
+
     def draw(self, context):
         layout = self.layout
         #layout.prop(self, "mode") # no cases yet where 'basic' mode is needed
-        
+
         # top row
         col_top = layout.column(align=True)
         row = col_top.row(align=True)
@@ -3164,26 +3163,26 @@ class Bridge(bpy.types.Operator):
         col_top.prop(self, "remove_faces")
         if self.loft:
             col_top.prop(self, "loft_loop")
-        
+
         # override properties
         col_top.separator()
         row = layout.row(align = True)
         row.prop(self, "twist")
         row.prop(self, "reverse")
-    
+
     def invoke(self, context, event):
         # load custom settings
         context.window_manager.looptools.bridge_loft = self.loft
         settings_load(self)
         return self.execute(context)
-    
+
     def execute(self, context):
         # initialise
         global_undo, object, bm = initialise()
         edge_faces, edgekey_to_edge, old_selected_faces, smooth = \
             bridge_initialise(bm, self.interpolation)
         settings_write(self)
-        
+
         # check cache to see if we can save time
         input_method = bridge_input_method(self.loft, self.loft_loop)
         cached, single_loops, loops, derived, mapping = cache_read("Bridge",
@@ -3198,7 +3197,7 @@ class Bridge(bpy.types.Operator):
                         loops = bridge_sort_loops(bm, loops, self.loft_loop)
                     else:
                         loops = bridge_match_loops(bm, loops)
-        
+
         # saving cache for faster execution next time
         if not cached:
             cache_write("Bridge", object, bm, input_method, False, False,
@@ -3248,10 +3247,10 @@ class Bridge(bpy.types.Operator):
             bmesh.update_edit_mesh(object.data, tessface=False,
                 destructive=True)
             bpy.ops.mesh.normals_make_consistent()
-        
+
         # cleaning up
         terminate(global_undo)
-        
+
         return{'FINISHED'}
 
 
@@ -3261,7 +3260,7 @@ class Circle(bpy.types.Operator):
     bl_label = "Circle"
     bl_description = "Move selected vertices into a circle shape"
     bl_options = {'REGISTER', 'UNDO'}
-    
+
     custom_radius = bpy.props.BoolProperty(name = "Radius",
         description = "Force a custom radius",
         default = False)
@@ -3290,19 +3289,19 @@ class Circle(bpy.types.Operator):
         description = "Distribute vertices at constant distances along the " \
             "circle",
         default = True)
-    
+
     @classmethod
     def poll(cls, context):
         ob = context.active_object
         return(ob and ob.type == 'MESH' and context.mode == 'EDIT_MESH')
-    
+
     def draw(self, context):
         layout = self.layout
         col = layout.column()
-        
+
         col.prop(self, "fit")
         col.separator()
-        
+
         col.prop(self, "flatten")
         row = col.row(align=True)
         row.prop(self, "custom_radius")
@@ -3311,14 +3310,14 @@ class Circle(bpy.types.Operator):
         row_right.prop(self, "radius", text="")
         col.prop(self, "regular")
         col.separator()
-                
+
         col.prop(self, "influence")
-    
+
     def invoke(self, context, event):
         # load custom settings
         settings_load(self)
         return self.execute(context)
-    
+
     def execute(self, context):
         # initialise
         global_undo, object, bm = initialise()
@@ -3336,12 +3335,12 @@ class Circle(bpy.types.Operator):
                 False, loops)
             single_loops, loops = circle_check_loops(single_loops, loops,
                 mapping, bm_mod)
-        
+
         # saving cache for faster execution next time
         if not cached:
             cache_write("Circle", object, bm, False, False, single_loops,
                 loops, derived, mapping)
-        
+
         move = []
         for i, loop in enumerate(loops):
             # best fitting flat plane
@@ -3374,15 +3373,15 @@ class Circle(bpy.types.Operator):
             if self.flatten and single_loops:
                 move.append(circle_flatten_singles(bm_mod, com, p, q,
                     normal, single_loops[i]))
-        
+
         # move vertices to new locations
         move_verts(object, bm, mapping, move, -1)
-        
+
         # cleaning up
         if derived:
             bm_mod.free()
         terminate(global_undo)
-        
+
         return{'FINISHED'}
 
 
@@ -3392,7 +3391,7 @@ class Curve(bpy.types.Operator):
     bl_label = "Curve"
     bl_description = "Turn a loop into a smooth curve"
     bl_options = {'REGISTER', 'UNDO'}
-    
+
     boundaries = bpy.props.BoolProperty(name = "Boundaries",
         description = "Limit the tool to work within the boundaries of the "\
             "selected vertices",
@@ -3421,29 +3420,29 @@ class Curve(bpy.types.Operator):
                 "extrusions)")),
         description = "Restrictions on how the vertices can be moved",
         default = 'none')
-    
+
     @classmethod
     def poll(cls, context):
         ob = context.active_object
         return(ob and ob.type == 'MESH' and context.mode == 'EDIT_MESH')
-    
+
     def draw(self, context):
         layout = self.layout
         col = layout.column()
-        
+
         col.prop(self, "interpolation")
         col.prop(self, "restriction")
         col.prop(self, "boundaries")
         col.prop(self, "regular")
         col.separator()
-        
+
         col.prop(self, "influence")
-    
+
     def invoke(self, context, event):
         # load custom settings
         settings_load(self)
         return self.execute(context)
-    
+
     def execute(self, context):
         # initialise
         global_undo, object, bm = initialise()
@@ -3461,12 +3460,12 @@ class Curve(bpy.types.Operator):
             loops = check_loops(loops, mapping, bm_mod)
         verts_selected = [v.index for v in bm_mod.verts if v.select \
             and not v.hide]
-        
+
         # saving cache for faster execution next time
         if not cached:
             cache_write("Curve", object, bm, False, self.boundaries, False,
                 loops, derived, mapping)
-        
+
         move = []
         for loop in loops:
             knots, points = curve_calculate_knots(loop, verts_selected)
@@ -3479,11 +3478,11 @@ class Curve(bpy.types.Operator):
             move.append(curve_calculate_vertices(bm_mod, knots, tknots,
                 points, tpoints, splines, self.interpolation,
                 self.restriction))
-        
+
         # move vertices to new locations
         move_verts(object, bm, mapping, move, self.influence)
-        
-        # cleaning up 
+
+        # cleaning up
         if derived:
             bm_mod.free()
         terminate(global_undo)
@@ -3497,7 +3496,7 @@ class Flatten(bpy.types.Operator):
     bl_label = "Flatten"
     bl_description = "Flatten vertices on a best-fitting plane"
     bl_options = {'REGISTER', 'UNDO'}
-    
+
     influence = bpy.props.FloatProperty(name = "Influence",
         description = "Force of the tool",
         default = 100.0,
@@ -3519,27 +3518,27 @@ class Flatten(bpy.types.Operator):
             "movement inside the bounding box of the selection")),
         description = "Restrictions on how the vertices can be moved",
         default = 'none')
-    
+
     @classmethod
     def poll(cls, context):
         ob = context.active_object
         return(ob and ob.type == 'MESH' and context.mode == 'EDIT_MESH')
-    
+
     def draw(self, context):
         layout = self.layout
         col = layout.column()
-        
+
         col.prop(self, "plane")
         #col.prop(self, "restriction")
         col.separator()
-        
+
         col.prop(self, "influence")
-    
+
     def invoke(self, context, event):
         # load custom settings
         settings_load(self)
         return self.execute(context)
-    
+
     def execute(self, context):
         # initialise
         global_undo, object, bm = initialise()
@@ -3551,12 +3550,12 @@ class Flatten(bpy.types.Operator):
             # order input into virtual loops
             loops = flatten_get_input(bm)
             loops = check_loops(loops, mapping, bm)
-        
+
         # saving cache for faster execution next time
         if not cached:
             cache_write("Flatten", object, bm, False, False, False, loops,
                 False, False)
-        
+
         move = []
         for loop in loops:
             # calculate plane and position of vertices on them
@@ -3568,10 +3567,10 @@ class Flatten(bpy.types.Operator):
             else:
                 move.append(to_move)
         move_verts(object, bm, False, move, self.influence)
-        
+
         # cleaning up
         terminate(global_undo)
-        
+
         return{'FINISHED'}
 
 
@@ -3581,7 +3580,7 @@ class GStretch(bpy.types.Operator):
     bl_label = "Gstretch"
     bl_description = "Stretch selected vertices to Grease Pencil stroke"
     bl_options = {'REGISTER', 'UNDO'}
-    
+
     conversion = bpy.props.EnumProperty(name = "Conversion",
         items = (("distance", "Distance", "Set the distance between vertices "\
             "of the converted grease pencil stroke"),
@@ -3626,7 +3625,7 @@ class GStretch(bpy.types.Operator):
     delete_strokes = bpy.props.BoolProperty(name="Delete strokes",
         description = "Remove Grease Pencil strokes if they have been used "\
             "for Gstretch. WARNING: DOES NOT SUPPORT UNDO",
-        default = False)    
+        default = False)
     influence = bpy.props.FloatProperty(name = "Influence",
         description = "Force of the tool",
         default = 100.0,
@@ -3644,20 +3643,20 @@ class GStretch(bpy.types.Operator):
         description = "Method of distributing the vertices over the Grease "\
             "Pencil stroke",
         default = 'regular')
-    
+
     @classmethod
     def poll(cls, context):
         ob = context.active_object
         return(ob and ob.type == 'MESH' and context.mode == 'EDIT_MESH')
-    
+
     def draw(self, context):
         layout = self.layout
         col = layout.column()
-        
+
         col.prop(self, "method")
         col.prop(self, "delete_strokes")
         col.separator()
-        
+
         col_conv = col.column(align=True)
         col_conv.prop(self, "conversion", text="")
         if self.conversion == 'distance':
@@ -3669,9 +3668,9 @@ class GStretch(bpy.types.Operator):
         elif self.conversion == 'vertices':
             col_conv.prop(self, "conversion_vertices")
         col.separator()
-        
+
         col.prop(self, "influence")
-    
+
     def invoke(self, context, event):
         # flush cached strokes
         if 'Gstretch' in looptools_cache:
@@ -3679,12 +3678,12 @@ class GStretch(bpy.types.Operator):
         # load custom settings
         settings_load(self)
         return self.execute(context)
-    
+
     def execute(self, context):
         # initialise
         global_undo, object, bm = initialise()
         settings_write(self)
-        
+
         # check cache to see if we can save time
         cached, safe_strokes, loops, derived, mapping = cache_read("Gstretch",
             object, bm, False, False)
@@ -3709,7 +3708,7 @@ class GStretch(bpy.types.Operator):
                 strokes = gstretch_get_strokes(object)
             else:
                 strokes = gstretch_get_fake_strokes(object, bm_mod, loops)
-        
+
         # saving cache for faster execution next time
         if not cached:
             if strokes:
@@ -3722,7 +3721,7 @@ class GStretch(bpy.types.Operator):
         # pair loops and strokes
         ls_pairs = gstretch_match_loops_strokes(loops, strokes, object, bm_mod)
         ls_pairs = gstretch_align_pairs(ls_pairs, object, bm_mod, self.method)
-        
+
         move = []
         if not loops:
             # no selected geometry, convert GP to verts
@@ -3756,12 +3755,12 @@ class GStretch(bpy.types.Operator):
         bmesh.update_edit_mesh(object.data, tessface=True,
                 destructive=True)
         move_verts(object, bm, mapping, move, self.influence)
-        
-        # cleaning up 
+
+        # cleaning up
         if derived:
             bm_mod.free()
         terminate(global_undo)
-        
+
         return{'FINISHED'}
 
 
@@ -3771,7 +3770,7 @@ class Relax(bpy.types.Operator):
     bl_label = "Relax"
     bl_description = "Relax the loop, so it is smoother"
     bl_options = {'REGISTER', 'UNDO'}
-    
+
     input = bpy.props.EnumProperty(name = "Input",
         items = (("all", "Parallel (all)", "Also use non-selected "\
                 "parallel loops as input"),
@@ -3795,26 +3794,26 @@ class Relax(bpy.types.Operator):
         description = "Distribute vertices at constant distances along the" \
             "loop",
         default = True)
-    
+
     @classmethod
     def poll(cls, context):
         ob = context.active_object
         return(ob and ob.type == 'MESH' and context.mode == 'EDIT_MESH')
-    
+
     def draw(self, context):
         layout = self.layout
         col = layout.column()
-        
+
         col.prop(self, "interpolation")
         col.prop(self, "input")
         col.prop(self, "iterations")
         col.prop(self, "regular")
-    
+
     def invoke(self, context, event):
         # load custom settings
         settings_load(self)
         return self.execute(context)
-    
+
     def execute(self, context):
         # initialise
         global_undo, object, bm = initialise()
@@ -3831,12 +3830,12 @@ class Relax(bpy.types.Operator):
             mapping = get_mapping(derived, bm, bm_mod, False, False, loops)
             loops = check_loops(loops, mapping, bm_mod)
         knots, points = relax_calculate_knots(loops)
-        
+
         # saving cache for faster execution next time
         if not cached:
             cache_write("Relax", object, bm, self.input, False, False, loops,
                 derived, mapping)
-        
+
         for iteration in range(int(self.iterations)):
             # calculate splines and new positions
             tknots, tpoints = relax_calculate_t(bm_mod, knots, points,
@@ -3848,12 +3847,12 @@ class Relax(bpy.types.Operator):
             move = [relax_calculate_verts(bm_mod, self.interpolation,
                 tknots, knots, tpoints, points, splines)]
             move_verts(object, bm, mapping, move, -1)
-        
+
         # cleaning up
         if derived:
             bm_mod.free()
         terminate(global_undo)
-        
+
         return{'FINISHED'}
 
 
@@ -3863,7 +3862,7 @@ class Space(bpy.types.Operator):
     bl_label = "Space"
     bl_description = "Space the vertices in a regular distrubtion on the loop"
     bl_options = {'REGISTER', 'UNDO'}
-    
+
     influence = bpy.props.FloatProperty(name = "Influence",
         description = "Force of the tool",
         default = 100.0,
@@ -3882,27 +3881,27 @@ class Space(bpy.types.Operator):
             ("linear", "Linear", "Vertices are projected on existing edges")),
         description = "Algorithm used for interpolation",
         default = 'cubic')
-    
+
     @classmethod
     def poll(cls, context):
         ob = context.active_object
         return(ob and ob.type == 'MESH' and context.mode == 'EDIT_MESH')
-    
+
     def draw(self, context):
         layout = self.layout
         col = layout.column()
-        
+
         col.prop(self, "interpolation")
         col.prop(self, "input")
         col.separator()
-        
+
         col.prop(self, "influence")
-    
+
     def invoke(self, context, event):
         # load custom settings
         settings_load(self)
         return self.execute(context)
-    
+
     def execute(self, context):
         # initialise
         global_undo, object, bm = initialise()
@@ -3918,12 +3917,12 @@ class Space(bpy.types.Operator):
                 context.scene, self.input)
             mapping = get_mapping(derived, bm, bm_mod, False, False, loops)
             loops = check_loops(loops, mapping, bm_mod)
-        
+
         # saving cache for faster execution next time
         if not cached:
             cache_write("Space", object, bm, self.input, False, False, loops,
                 derived, mapping)
-        
+
         move = []
         for loop in loops:
             # calculate splines and new positions
@@ -3936,12 +3935,12 @@ class Space(bpy.types.Operator):
                 tknots, tpoints, loop[0][:-1], splines))
         # move vertices to new locations
         move_verts(object, bm, mapping, move, self.influence)
-        
+
         # cleaning up
         if derived:
             bm_mod.free()
         terminate(global_undo)
-        
+
         return{'FINISHED'}
 
 
@@ -3952,10 +3951,10 @@ class Space(bpy.types.Operator):
 # menu containing all tools
 class VIEW3D_MT_edit_mesh_looptools(bpy.types.Menu):
     bl_label = "LoopTools"
-    
+
     def draw(self, context):
         layout = self.layout
-        
+
         layout.operator("mesh.looptools_bridge", text="Bridge").loft = False
         layout.operator("mesh.looptools_circle")
         layout.operator("mesh.looptools_curve")
@@ -3979,7 +3978,7 @@ class VIEW3D_PT_tools_looptools(bpy.types.Panel):
         layout = self.layout
         col = layout.column(align=True)
         lt = context.window_manager.looptools
-        
+
         # bridge - first line
         split = col.split(percentage=0.15, align=True)
         if lt.display_bridge:
@@ -3991,7 +3990,7 @@ class VIEW3D_PT_tools_looptools(bpy.types.Panel):
         if lt.display_bridge:
             box = col.column(align=True).box().column()
             #box.prop(self, "mode")
-            
+
             # top row
             col_top = box.column(align=True)
             row = col_top.row(align=True)
@@ -4009,13 +4008,13 @@ class VIEW3D_PT_tools_looptools(bpy.types.Panel):
             bottom_right.prop(lt, "bridge_cubic_strength")
             # boolean properties
             col_top.prop(lt, "bridge_remove_faces")
-            
+
             # override properties
             col_top.separator()
             row = box.row(align = True)
             row.prop(lt, "bridge_twist")
             row.prop(lt, "bridge_reverse")
-        
+
         # circle - first line
         split = col.split(percentage=0.15, align=True)
         if lt.display_circle:
@@ -4028,7 +4027,7 @@ class VIEW3D_PT_tools_looptools(bpy.types.Panel):
             box = col.column(align=True).box().column()
             box.prop(lt, "circle_fit")
             box.separator()
-            
+
             box.prop(lt, "circle_flatten")
             row = box.row(align=True)
             row.prop(lt, "circle_custom_radius")
@@ -4037,9 +4036,9 @@ class VIEW3D_PT_tools_looptools(bpy.types.Panel):
             row_right.prop(lt, "circle_radius", text="")
             box.prop(lt, "circle_regular")
             box.separator()
-            
+
             box.prop(lt, "circle_influence")
-        
+
         # curve - first line
         split = col.split(percentage=0.15, align=True)
         if lt.display_curve:
@@ -4055,9 +4054,9 @@ class VIEW3D_PT_tools_looptools(bpy.types.Panel):
             box.prop(lt, "curve_boundaries")
             box.prop(lt, "curve_regular")
             box.separator()
-            
+
             box.prop(lt, "curve_influence")
-        
+
         # flatten - first line
         split = col.split(percentage=0.15, align=True)
         if lt.display_flatten:
@@ -4071,9 +4070,9 @@ class VIEW3D_PT_tools_looptools(bpy.types.Panel):
             box.prop(lt, "flatten_plane")
             #box.prop(lt, "flatten_restriction")
             box.separator()
-            
+
             box.prop(lt, "flatten_influence")
-        
+
         # gstretch - first line
         split = col.split(percentage=0.15, align=True)
         if lt.display_gstretch:
@@ -4087,7 +4086,7 @@ class VIEW3D_PT_tools_looptools(bpy.types.Panel):
             box.prop(lt, "gstretch_method")
             box.prop(lt, "gstretch_delete_strokes")
             box.separator()
-            
+
             col_conv = box.column(align=True)
             col_conv.prop(lt, "gstretch_conversion", text="")
             if lt.gstretch_conversion == 'distance':
@@ -4099,9 +4098,9 @@ class VIEW3D_PT_tools_looptools(bpy.types.Panel):
             elif lt.gstretch_conversion == 'vertices':
                 col_conv.prop(lt, "gstretch_conversion_vertices")
             box.separator()
-            
+
             box.prop(lt, "gstretch_influence")
-        
+
         # loft - first line
         split = col.split(percentage=0.15, align=True)
         if lt.display_loft:
@@ -4113,7 +4112,7 @@ class VIEW3D_PT_tools_looptools(bpy.types.Panel):
         if lt.display_loft:
             box = col.column(align=True).box().column()
             #box.prop(self, "mode")
-            
+
             # top row
             col_top = box.column(align=True)
             row = col_top.row(align=True)
@@ -4132,13 +4131,13 @@ class VIEW3D_PT_tools_looptools(bpy.types.Panel):
             # boolean properties
             col_top.prop(lt, "bridge_remove_faces")
             col_top.prop(lt, "bridge_loft_loop")
-            
+
             # override properties
             col_top.separator()
             row = box.row(align = True)
             row.prop(lt, "bridge_twist")
             row.prop(lt, "bridge_reverse")
-        
+
         # relax - first line
         split = col.split(percentage=0.15, align=True)
         if lt.display_relax:
@@ -4153,7 +4152,7 @@ class VIEW3D_PT_tools_looptools(bpy.types.Panel):
             box.prop(lt, "relax_input")
             box.prop(lt, "relax_iterations")
             box.prop(lt, "relax_regular")
-        
+
         # space - first line
         split = col.split(percentage=0.15, align=True)
         if lt.display_space:
@@ -4167,7 +4166,7 @@ class VIEW3D_PT_tools_looptools(bpy.types.Panel):
             box.prop(lt, "space_interpolation")
             box.prop(lt, "space_input")
             box.separator()
-            
+
             box.prop(lt, "space_influence")
 
 
@@ -4177,7 +4176,7 @@ class LoopToolsProps(bpy.types.PropertyGroup):
     Fake module like class
     bpy.context.window_manager.looptools
     """
-    
+
     # general display properties
     display_bridge = bpy.props.BoolProperty(name = "Bridge settings",
         description = "Display settings of the Bridge tool",
@@ -4203,7 +4202,7 @@ class LoopToolsProps(bpy.types.PropertyGroup):
     display_space = bpy.props.BoolProperty(name = "Space settings",
         description = "Display settings of the Space tool",
         default = False)
-    
+
     # bridge properties
     bridge_cubic_strength = bpy.props.FloatProperty(name = "Strength",
         description = "Higher strength results in more fluid curves",
@@ -4253,7 +4252,7 @@ class LoopToolsProps(bpy.types.PropertyGroup):
     bridge_twist = bpy.props.IntProperty(name = "Twist",
         description = "Twist what vertices are connected to each other",
         default = 0)
-    
+
     # circle properties
     circle_custom_radius = bpy.props.BoolProperty(name = "Radius",
         description = "Force a custom radius",
@@ -4283,7 +4282,7 @@ class LoopToolsProps(bpy.types.PropertyGroup):
         description = "Distribute vertices at constant distances along the " \
             "circle",
         default = True)
-    
+
     # curve properties
     curve_boundaries = bpy.props.BoolProperty(name = "Boundaries",
         description = "Limit the tool to work within the boundaries of the "\
@@ -4313,7 +4312,7 @@ class LoopToolsProps(bpy.types.PropertyGroup):
                 "extrusions)")),
         description = "Restrictions on how the vertices can be moved",
         default = 'none')
-    
+
     # flatten properties
     flatten_influence = bpy.props.FloatProperty(name = "Influence",
         description = "Force of the tool",
@@ -4336,7 +4335,7 @@ class LoopToolsProps(bpy.types.PropertyGroup):
             "movement inside the bounding box of the selection")),
         description = "Restrictions on how the vertices can be moved",
         default = 'none')
-    
+
     # gstretch properties
     gstretch_conversion = bpy.props.EnumProperty(name = "Conversion",
         items = (("distance", "Distance", "Set the distance between vertices "\
@@ -4382,7 +4381,7 @@ class LoopToolsProps(bpy.types.PropertyGroup):
     gstretch_delete_strokes = bpy.props.BoolProperty(name="Delete strokes",
         description = "Remove Grease Pencil strokes if they have been used "\
             "for Gstretch. WARNING: DOES NOT SUPPORT UNDO",
-        default = False)   
+        default = False)
     gstretch_influence = bpy.props.FloatProperty(name = "Influence",
         description = "Force of the tool",
         default = 100.0,
@@ -4400,7 +4399,7 @@ class LoopToolsProps(bpy.types.PropertyGroup):
         description = "Method of distributing the vertices over the Grease "\
             "Pencil stroke",
         default = 'regular')
-    
+
     # relax properties
     relax_input = bpy.props.EnumProperty(name = "Input",
         items = (("all", "Parallel (all)", "Also use non-selected "\
@@ -4425,7 +4424,7 @@ class LoopToolsProps(bpy.types.PropertyGroup):
         description = "Distribute vertices at constant distances along the" \
             "loop",
         default = True)
-    
+
     # space properties
     space_influence = bpy.props.FloatProperty(name = "Influence",
         description = "Force of the tool",
diff --git a/mesh_relax.py b/mesh_relax.py
index 579cce25b2820b42d9805d3e8ff0c1525a8dbfe4..87ba4bd5d1e1b14156c75a74e27e67ab79e909f5 100644
--- a/mesh_relax.py
+++ b/mesh_relax.py
@@ -24,15 +24,14 @@
 bl_info = {
     "name": "Relax",
     "author": "Fabian Fricke",
-    "version": (1,1),
+    "version": (1, 1),
     "blender": (2, 57, 0),
     "location": "View3D > Specials > Relax ",
     "description": "Relax the selected verts while retaining the shape",
     "warning": "",
-    "wiki_url": "http://wiki.blender.org/index.php/Extensions:2.6/Py/"\
+    "wiki_url": "http://wiki.blender.org/index.php/Extensions:2.6/Py/"
         "Scripts/Modeling/Relax",
-    "tracker_url": "https://projects.blender.org/tracker/index.php?"\
-        "func=detail&aid=21421",
+    "tracker_url": "https://developer.blender.org/T21421",
     "category": "Mesh"}
 
 """
@@ -70,10 +69,10 @@ def relax_mesh(context):
         target.modifiers.remove(target.modifiers[0])
 
     context.scene.objects.active = obj
-    
+
     sw = obj.modifiers.new(type='SHRINKWRAP', name='relax_target')
     sw.target = target
-    
+
     # run smooth operator to relax the mesh
     bpy.ops.object.mode_set(mode='EDIT')
     bpy.ops.mesh.vertices_smooth()
@@ -81,12 +80,12 @@ def relax_mesh(context):
 
     # apply the modifier
     bpy.ops.object.modifier_apply(modifier='relax_target')
-    
+
     # delete the target object
     obj.select = False
     target.select = True
     bpy.ops.object.delete()
-    
+
     # go back to initial state
     obj.select = True
     bpy.ops.object.mode_set(mode='EDIT')
diff --git a/mocap/__init__.py b/mocap/__init__.py
index 92dd83325e8c6540340b04428af5765013254319..68ca2bb2c54ce341234434ac0b17994e87df9c2a 100644
--- a/mocap/__init__.py
+++ b/mocap/__init__.py
@@ -22,11 +22,12 @@ bl_info = {
     "name": "Motion Capture Tools",
     "author": "Benjy Cook",
     "blender": (2, 62, 0),
-    "location": "Object UI -> Mocap tools",
+    "location": "Object UI > Mocap tools",
     "description": "Various tools for working with motion capture animation",
     "warning": "",
-    "wiki_url": "http://wiki.blender.org/index.php/Extensions:2.6/Py/Scripts/Animation/Motion_Capture_Tools",
-    "tracker_url": "http://projects.blender.org/tracker/index.php?func=detail&aid=28321",
+    "wiki_url": "http://wiki.blender.org/index.php/Extensions:2.6/Py/"
+        "Scripts/Animation/Motion_Capture_Tools",
+    "tracker_url": "https://developer.blender.org/T28321",
     "support": 'OFFICIAL',
     "category": "Animation"}
 
diff --git a/netrender/__init__.py b/netrender/__init__.py
index 60c8773911bf352bd9d002d7a9b064cd1bc7abdb..71bf1a33ce66318529700962b6fa8c744c81a98a 100644
--- a/netrender/__init__.py
+++ b/netrender/__init__.py
@@ -26,10 +26,10 @@ bl_info = {
     "location": "Render > Engine > Network Render",
     "description": "Distributed rendering for Blender",
     "warning": "Stable but still work in progress",
-    "wiki_url": "http://wiki.blender.org/index.php/Doc:2.5/Manual/Render/Engines/Netrender",
-    "tracker_url": "https://projects.blender.org/tracker/?func=detail&atid=469&aid=36513&group_id=153",
-    "category": "Render",
-}
+    "wiki_url": "http://wiki.blender.org/index.php/Doc:2.5/Manual/"
+        "Render/Engines/Netrender",
+    "tracker_url": "https://developer.blender.org/T36513",
+    "category": "Render"}
 
 
 # To support reload properly, try to access a package var, if it's there, reload everything
diff --git a/node_efficiency_tools.py b/node_efficiency_tools.py
index 84c85788722191d91ed96c26f5c2ead2a869a226..3f2aeeb3eb09eb63a4a7d7d3be469bfda5b0b347 100644
--- a/node_efficiency_tools.py
+++ b/node_efficiency_tools.py
@@ -24,8 +24,9 @@ bl_info = {
     'location': "Node Editor Properties Panel  or  Ctrl-SPACE",
     'description': "Various tools to enhance and speed up node-based workflow",
     'warning': "",
-    'wiki_url': "http://wiki.blender.org/index.php/Extensions:2.6/Py/Scripts/Nodes/Nodes_Efficiency_Tools",
-    'tracker_url': "http://projects.blender.org/tracker/index.php?func=detail&aid=33543&group_id=153&atid=469",
+    'wiki_url': "http://wiki.blender.org/index.php/Extensions:2.6/Py/"
+        "Scripts/Nodes/Nodes_Efficiency_Tools",
+    'tracker_url': "https://developer.blender.org/T33543",
     'category': "Node",
 }
 
diff --git a/object_add_chain.py b/object_add_chain.py
index fc5f3bd24f613a30ff148aa5061a6b3c94e834d0..336346e30df0c5c9faab09940964794dc5b26b58 100644
--- a/object_add_chain.py
+++ b/object_add_chain.py
@@ -24,10 +24,9 @@ bl_info = {
     "location": "View3D > Add > Mesh",
     "description": "Adds Chain with curve guide for easy creation",
     "warning": "",
-    "wiki_url": "http://wiki.blender.org/index.php/Extensions:2.6/Py/"\
+    "wiki_url": "http://wiki.blender.org/index.php/Extensions:2.6/Py/"
         "Scripts/Object/Add_Chain",
-    "tracker_url": "https://projects.blender.org/tracker/index.php?"\
-        "func=detail&aid=22203",
+    "tracker_url": "https://developer.blender.org/T22203",
     "category": "Object"}
 
 import bpy
@@ -38,7 +37,7 @@ def Add_Chain():
     bpy.ops.object.add(type='EMPTY',
                        view_align=False,
                        enter_editmode=False,
-                       location=(0, 0, 0), 
+                       location=(0, 0, 0),
                        rotation=(0, 0, 0),
                        )
 
@@ -71,10 +70,10 @@ def Add_Chain():
 
     ##Positions Torus primitive to center of scene
     bpy.context.active_object.location = 0.0, 0.0, 0.0
-    
+
     ##Reseting Torus rotation in case of 'Align to view' option enabled
     bpy.context.active_object.rotation_euler = 0.0, 0.0, 0.0
-    
+
 
     ##Changes Torus name to chain adds variable tor
     tor = bpy.context.object
@@ -89,7 +88,7 @@ def Add_Chain():
     ##Smooths tor
     bpy.ops.object.shade_smooth()
 
-    ##Select curv 
+    ##Select curv
     sce = bpy.context.scene
     sce.objects.active = curv
 
diff --git a/object_animrenderbake.py b/object_animrenderbake.py
index c43b4f8391823ade71b84424d2a4aff8b9338771..4670a304efe04552c4404ec0b716b3367f78c45a 100644
--- a/object_animrenderbake.py
+++ b/object_animrenderbake.py
@@ -26,19 +26,7 @@ bl_info = {
     "category": "Object",
     "wiki_url": "http://wiki.blender.org/index.php/Extensions:2.6/Py/"
                 "Scripts/Object/Animated_Render_Baker",
-    "tracker_url": "https://projects.blender.org/tracker/index.php?"
-                   "func=detail&aid=24836"}
-
-import bpy
-from bpy.props import IntProperty
-
-class OBJECT_OT_animrenderbake(bpy.types.Operator):
-    bl_label = "Animated Render Bake"
-    bl_description= "Bake animated image textures of selected objects"
-    bl_idname = "object.anim_bake_image"
-    bl_register = True
-
-    def framefile(self, filepath, frame):
+    "tracker_url": "https://developer.blender.org/T24836", filepath, frame):
         """
         Set frame number to file name image.png -> image0013.png
         """
diff --git a/object_cloud_gen.py b/object_cloud_gen.py
index 7ab5231e3e2fc6718b3edd13d277f7d89e8cce5f..e618c5da8990cd67ed00bf13c1f2768cda3eda1b 100644
--- a/object_cloud_gen.py
+++ b/object_cloud_gen.py
@@ -27,8 +27,7 @@ bl_info = {
     "description": "Creates Volumetric Clouds",
     "wiki_url": "http://wiki.blender.org/index.php/Extensions:2.6/Py/"
                 "Scripts/Object/Cloud_Gen",
-    "tracker_url": "https://projects.blender.org/tracker/index.php?"
-                   "func=detail&aid=22015",
+    "tracker_url": "https://developer.blender.org/T22015",
     "category": "Object"}
 
 import bpy
diff --git a/object_edit_linked.py b/object_edit_linked.py
index d5ea8399467a7bf3cfac8bf777246c297a2ee000..cbb75654ffe13e0137cea42de5f709eb66ce1244 100644
--- a/object_edit_linked.py
+++ b/object_edit_linked.py
@@ -25,7 +25,7 @@ bl_info = {
     "location": "View3D > Toolshelf > Edit Linked Library",
     "description": "Allows editing of objects linked from a .blend library.",
     "wiki_url": "http://wiki.blender.org/index.php?title=Extensions:2.6/Py/Scripts/Object/Edit_Linked_Library",
-    "tracker_url": "http://projects.blender.org/tracker/index.php?func=detail&aid=29630",
+    "tracker_url": "https://developer.blender.org/T29630",
     "category": "Object"}
 
 
diff --git a/object_fracture/__init__.py b/object_fracture/__init__.py
index 84da8b72a1b4c7c048fed330d0b707d971f2682a..5b0d7a651c12d7695762ffbbaf3f114962841382 100644
--- a/object_fracture/__init__.py
+++ b/object_fracture/__init__.py
@@ -21,13 +21,12 @@ bl_info = {
     "author": "pildanovak",
     "version": (2, 0),
     "blender": (2, 57, 0),
-    "location": "Search > Fracture Object & Add -> Fracture Helper Objects",
+    "location": "Search > Fracture Object & Add > Fracture Helper Objects",
     "description": "Fractured Object, Bomb, Projectile, Recorder",
     "warning": "",
-    "wiki_url": "http://wiki.blender.org/index.php/Extensions:2.6/Py/"\
+    "wiki_url": "http://wiki.blender.org/index.php/Extensions:2.6/Py/"
         "Scripts/Object/Fracture",
-    "tracker_url": "https://projects.blender.org/tracker/index.php?"\
-        "func=detail&aid=21793",
+    "tracker_url": "https://developer.blender.org/T21793",
     "category": "Object"}
 
 
diff --git a/object_grease_scatter.py b/object_grease_scatter.py
index 8e9d6556571dc39c78f06379f3b58ab718ed60c8..a54df8397a75d2059086ef06121137a24ea502b5 100644
--- a/object_grease_scatter.py
+++ b/object_grease_scatter.py
@@ -31,8 +31,7 @@ bl_info = {
     "warning": "",
     "wiki_url": "http://wiki.blender.org/index.php/Extensions:2.6/Py/"
                 "Scripts/Object/Grease_Scatter",
-    "tracker_url": "https://projects.blender.org/tracker/index.php?"
-                   "func=detail&aid=TODO",
+    "tracker_url": "https://developer.blender.org",
     "support": 'OFFICIAL',
     "category": "Object"}
 
diff --git a/paint_palette.py b/paint_palette.py
index 92de64b0c888eac38371221f40930833598f2a7e..c8c6caba84de65e64a5425da113bd56ee0349a99 100644
--- a/paint_palette.py
+++ b/paint_palette.py
@@ -29,7 +29,7 @@ bl_info = {
     "description": "Palettes for color and weight paint modes",
     "warning": "",
     "wiki_url": "http://wiki.blender.org/index.php/Extensions:2.6/Py/Scripts/Paint/Palettes",
-    "tracker_url": "http://projects.blender.org/tracker/index.php?func=detail&aid=25908",
+    "tracker_url": "https://developer.blender.org/T25908",
     "category": "Paint"}
 
 """
diff --git a/render_copy_settings/__init__.py b/render_copy_settings/__init__.py
index 9b42123ad79e884e6a75e5a0afc942e9d339de8b..38895c5e4052cdf52a46df53b1db927e10d13f61 100644
--- a/render_copy_settings/__init__.py
+++ b/render_copy_settings/__init__.py
@@ -24,11 +24,13 @@ bl_info = {
     "version": (0, 1, 5),
     "blender": (2, 65, 9),
     "location": "Render buttons (Properties window)",
-    "description": "Allows to copy a selection of render settings from current scene to others.",
-    "wiki_url": "http://wiki.blender.org/index.php/Extensions:2.6/Py/Scripts/Render/Copy Settings",
-    "tracker_url": "http://projects.blender.org/tracker/index.php?func=detail&aid=25832",
-    "category": "Render",
-}
+    "description": "Allows to copy a selection of render settings "
+        "from current scene to others.",
+    "wiki_url": "http://wiki.blender.org/index.php/Extensions:2.6/Py/"
+        "Scripts/Render/Copy Settings",
+    "tracker_url": "https://developer.blender.org/T25832",
+    "category": "Render"}
+
 
 if "bpy" in locals():
     import imp
diff --git a/render_povray/__init__.py b/render_povray/__init__.py
index 16a1e5da75868eeb2a9992230a413c9bf483e0d5..1aa72f179d7fbf07716e4aaf1f97ea95e0dea5d5 100644
--- a/render_povray/__init__.py
+++ b/render_povray/__init__.py
@@ -20,18 +20,19 @@
 
 bl_info = {
     "name": "POV-Ray 3.7",
-    "author": "Campbell Barton, Silvio Falcinelli, Maurice Raybaud, Constantin Rahn, Bastien Montagne",
+    "author": "Campbell Barton, Silvio Falcinelli, Maurice Raybaud, "
+        "Constantin Rahn, Bastien Montagne",
     "version": (0, 0, 9),
     "blender": (2, 57, 0),
     "location": "Render > Engine > POV-Ray 3.7",
     "description": "Basic POV-Ray 3.7 integration for blender",
     "warning": "both POV-Ray 3.7 and this script are beta",
     "wiki_url": "http://wiki.blender.org/index.php/Extensions:2.6/Py/"
-                "Scripts/Render/POV-Ray",
-    "tracker_url": "https://projects.blender.org/tracker/index.php?"
-                   "func=detail&aid=23145",
+        "Scripts/Render/POV-Ray",
+    "tracker_url": "https://developer.blender.org/T23145",
     "category": "Render"}
 
+
 if "bpy" in locals():
     import imp
     imp.reload(ui)
@@ -54,7 +55,7 @@ else:
     from . import ui
     from . import render
     from . import update_files
-    
+
 
 
 ###############################################################################
diff --git a/render_renderfarmfi/__init__.py b/render_renderfarmfi/__init__.py
index 702593f4b4aac091a4fe27ef1bf02a062a87d952..d09892ec640c090011d9a9ab81f1e9701b4779ae 100644
--- a/render_renderfarmfi/__init__.py
+++ b/render_renderfarmfi/__init__.py
@@ -18,16 +18,16 @@
 
 bl_info = {
     "name": "Renderfarm.fi",
-    "author": "Nathan Letwory <nathan@letworyinteractive.com>, Jesse Kaukonen <jesse.kaukonen@gmail.com>",
+    "author": "Nathan Letwory <nathan@letworyinteractive.com>, "
+        "Jesse Kaukonen <jesse.kaukonen@gmail.com>",
     "version": (23,),
     "blender": (2, 63, 0),
     "location": "Render > Engine > Renderfarm.fi",
     "description": "Send .blend as session to http://www.renderfarm.fi to render",
     "warning": "",
-    "wiki_url": "http://wiki.blender.org/index.php/Extensions:2.5/Py/"\
+    "wiki_url": "http://wiki.blender.org/index.php/Extensions:2.5/Py/"
         "Scripts/Render/Renderfarm.fi",
-    "tracker_url": "https://projects.blender.org/tracker/index.php?"\
-        "func=detail&aid=22927",
+    "tracker_url": "https://developer.blender.org/T22927",
     "category": "Render"}
 
 """
diff --git a/space_view3d_3d_navigation.py b/space_view3d_3d_navigation.py
index 8b229ca5c3de919b58217247624ebcd318249b17..93c6afc71f0bf2cb9606d0e5cc05ae9e1d14f66d 100644
--- a/space_view3d_3d_navigation.py
+++ b/space_view3d_3d_navigation.py
@@ -1,6 +1,6 @@
 # 3D NAVIGATION TOOLBAR v1.2 - 3Dview Addon - Blender 2.5x
 #
-# THIS SCRIPT IS LICENSED UNDER GPL, 
+# THIS SCRIPT IS LICENSED UNDER GPL,
 # please read the license block.
 #
 # ##### BEGIN GPL LICENSE BLOCK #####
@@ -29,10 +29,9 @@ bl_info = {
     "location": "View3D > Tool Shelf > 3D Nav",
     "description": "Navigate the Camera & 3D View from the Toolshelf",
     "warning": "",
-    "wiki_url": "http://wiki.blender.org/index.php/Extensions:2.6/Py/"\
+    "wiki_url": "http://wiki.blender.org/index.php/Extensions:2.6/Py/"
         "Scripts/3D_interaction/3D_Navigation",
-    "tracker_url": "http://projects.blender.org/tracker/index.php?"\
-	    "func=detail&aid=23530",
+    "tracker_url": "https://developer.blender.org/T23530",
     "category": "3D View"}
 
 # import the basic library
@@ -49,11 +48,11 @@ class VIEW3D_PT_3dnavigationPanel(bpy.types.Panel):
         layout = self.layout
         view = context.space_data
 
-# Triple boutons        
+# Triple boutons
         col = layout.column(align=True)
         col.operator("view3d.viewnumpad", text="View Camera", icon='CAMERA_DATA').type='CAMERA'
         col.operator("view3d.localview", text="View Global/Local")
-        col.operator("view3d.view_persportho", text="View Persp/Ortho")  
+        col.operator("view3d.view_persportho", text="View Persp/Ortho")
 
 # group of 6 buttons
         col = layout.column(align=True)
@@ -72,27 +71,27 @@ class VIEW3D_PT_3dnavigationPanel(bpy.types.Panel):
         col = layout.column(align=True)
         col.label(text="View to Object:")
         col.prop(view, "lock_object", text="")
-        col.operator("view3d.view_selected", text="View to Selected") 
-        
+        col.operator("view3d.view_selected", text="View to Selected")
+
         col = layout.column(align=True)
         col.label(text="Cursor:")
-        
+
         row = col.row()
         row.operator("view3d.snap_cursor_to_center", text="Center")
         row.operator("view3d.view_center_cursor", text="View")
-        
+
         col.operator("view3d.snap_cursor_to_selected", text="Cursor to Selected")
 
 # register the class
 def register():
     bpy.utils.register_module(__name__)
- 
-    pass 
+
+    pass
 
 def unregister():
     bpy.utils.unregister_module(__name__)
- 
-    pass 
 
-if __name__ == "__main__": 
+    pass
+
+if __name__ == "__main__":
     register()
diff --git a/space_view3d_copy_attributes.py b/space_view3d_copy_attributes.py
index 49bc1b2206a5536030c59c7e2c37b3327e04c879..d51393838d9198886bceb9ed02450aa5129f83fd 100644
--- a/space_view3d_copy_attributes.py
+++ b/space_view3d_copy_attributes.py
@@ -27,8 +27,7 @@ bl_info = {
     "description": "Copy Attributes Menu from Blender 2.4",
     "wiki_url": "http://wiki.blender.org/index.php/Extensions:2.6/Py/"
                 "Scripts/3D_interaction/Copy_Attributes_Menu",
-    "tracker_url": "https://projects.blender.org/tracker/index.php?"
-                   "func=detail&aid=22588",
+    "tracker_url": "https://developer.blender.org/T22588",
     "category": "3D View"}
 
 import bpy
diff --git a/space_view3d_materials_utils.py b/space_view3d_materials_utils.py
index 8d5946506c0d3855f64804b3b8089c9012d35a15..9d275f97b1ddddeeb3f34d3e9be0bdf0dde82f6b 100644
--- a/space_view3d_materials_utils.py
+++ b/space_view3d_materials_utils.py
@@ -30,8 +30,7 @@ bl_info = {
     "warning": "Buggy, Broken in Cycles mode",
     "wiki_url": "http://wiki.blender.org/index.php/Extensions:2.6/Py/"
                 "Scripts/3D interaction/Materials Utils",
-    "tracker_url": "https://projects.blender.org/tracker/index.php?"
-                   "func=detail&aid=22140",
+    "tracker_url": "https://developer.blender.org/T22140",
     "category": "Material"}
 
 """
diff --git a/space_view3d_math_vis/__init__.py b/space_view3d_math_vis/__init__.py
index 5682895140152d390cfddb6a8b82018656845d00..226eafb0da4b3a76d5a607393a9cc3105d3fd4c7 100644
--- a/space_view3d_math_vis/__init__.py
+++ b/space_view3d_math_vis/__init__.py
@@ -26,12 +26,12 @@ bl_info = {
     "location": "View3D > Tool Shelf or Console",
     "description": "Display console defined mathutils variables in the 3D view",
     "wiki_url": "http://wiki.blender.org/index.php/Extensions:2.6/Py/"
-                "Scripts/3D_interaction/Math_Viz",
-    "tracker_url": "http://projects.blender.org/tracker/index.php?"
-                   "func=detail&aid=25545",
+        "Scripts/3D_interaction/Math_Viz",
+    "tracker_url": "https://developer.blender.org/T25545",
     "support": "OFFICIAL",
     "category": "3D View"}
 
+
 if "bpy" in locals():
     import imp
     imp.reload(utils)
diff --git a/space_view3d_panel_measure.py b/space_view3d_panel_measure.py
index 6897871a79bca02e0a132dfd32811604fb21ea86..008cd1082986dc44cd40f5144f52b3bed7c18a37 100644
--- a/space_view3d_panel_measure.py
+++ b/space_view3d_panel_measure.py
@@ -34,8 +34,7 @@ bl_info = {
     "warning": "Script needs repairs",
     "wiki_url": "http://wiki.blender.org/index.php/Extensions:2.6/Py/" \
         "Scripts/3D_interaction/Panel_Measure",
-    "tracker_url": "https://projects.blender.org/tracker/index.php?" \
-        "func=detail&aid=21445",
+    "tracker_url": "https://developer.blender.org/T21445",
     "category": "3D View"}
 
 """
diff --git a/space_view3d_screencast_keys.py b/space_view3d_screencast_keys.py
index f568c31ab6f6d293a7cd2655ce6c9e0fd2b11beb..a7637afcebb1ba47e7cc8eee8d68d58fdf9e6b35 100644
--- a/space_view3d_screencast_keys.py
+++ b/space_view3d_screencast_keys.py
@@ -26,11 +26,10 @@ bl_info = {
     "location": "3D View > Properties Panel > Screencast Keys",
     "warning": "",
     "description": "Display keys pressed in the 3D View, "
-                   "useful for screencasts.",
-    "wiki_url": "http://wiki.blender.org/index.php/Extensions:2.6/"
-                "Py/Scripts/3D_interaction/Screencast_Key_Status_Tool",
-    "tracker_url": "http://projects.blender.org/tracker/index.php?"
-                   "func=detail&aid=21612",
+       "useful for screencasts.",
+    "wiki_url": "http://wiki.blender.org/index.php/Extensions:2.6/Py/"
+        "Scripts/3D_interaction/Screencast_Key_Status_Tool",
+    "tracker_url": "https://developer.blender.org/T21612",
     "category": "3D View"}
 
 import bgl
@@ -98,7 +97,7 @@ def draw_callback_px_text(self, context):
     shift = 0
 
     # we want to make sure we can shift vertically the text if the mouse is big,
-    # but don't care if aligned to right 
+    # but don't care if aligned to right
     if mouse_size > font_size*row_count and not sc.screencast_keys_mouse_position == 'right':
         shift = (mouse_size - font_size*row_count) / 2
 
@@ -126,7 +125,7 @@ def draw_callback_px_text(self, context):
         else:
             break
 
-    # remove blurriness 
+    # remove blurriness
 
     # disable shadows so they don't appear all over blender
     blf.blur(0,0)
diff --git a/space_view3d_spacebar_menu.py b/space_view3d_spacebar_menu.py
index 6bff10d00bd43d1673fb71c3f258da174eec627e..2d8c59910cb1fa93fbe7cd6c187e76dd371ee5ad 100644
--- a/space_view3d_spacebar_menu.py
+++ b/space_view3d_spacebar_menu.py
@@ -26,10 +26,9 @@ bl_info = {
     "location": "View3D > Spacebar Key",
     "description": "Context Sensitive Spacebar Menu",
     "warning": "",
-    "wiki_url": "http://wiki.blender.org/index.php/Extensions:2.6/Py/"\
+    "wiki_url": "http://wiki.blender.org/index.php/Extensions:2.6/Py/"
         "Scripts/3D_interaction/Dynamic_Spacebar_Menu",
-    "tracker_url": "https://projects.blender.org/tracker/index.php?"\
-        "func=detail&aid=22060",
+    "tracker_url": "https://developer.blender.org/T22060",
     "category": "3D View"}
 
 import bpy
diff --git a/system_blend_info.py b/system_blend_info.py
index 8e7ecc33d26ea0f2d75627450a747a71aeaa563a..f6487d02ea4e3ed2389653d7b0d8edff9e2e5a7a 100644
--- a/system_blend_info.py
+++ b/system_blend_info.py
@@ -30,8 +30,7 @@ bl_info = {
     "warning": "",
     "wiki_url": 'http://wiki.blender.org/index.php/Extensions:2.6/Py/' \
         'Scripts/System/Blend Info',
-    "tracker_url": "https://projects.blender.org/tracker/index.php?" \
-        "func=detail&aid=22102",
+    "tracker_url": "https://developer.blender.org/T22102",
     "category": "System"}
 
 import bpy
diff --git a/system_property_chart.py b/system_property_chart.py
index 4ed289055bdb2bd8fea5f6de38e054dbb955f0fb..34de6d82f2f0f57d2087dabb78da69a1211595a2 100644
--- a/system_property_chart.py
+++ b/system_property_chart.py
@@ -29,8 +29,7 @@ bl_info = {
     "warning": "",
     "wiki_url": ("http://wiki.blender.org/index.php/Extensions:2.6/Py/"
                  "Scripts/System/Object Property Chart"),
-    "tracker_url": ("https://projects.blender.org/tracker/index.php?"
-                    "func=detail&aid=22701"),
+    "tracker_url": "https://developer.blender.org/T22701",
     "category": "System"}
 
 """List properties of selected objects"""
diff --git a/texture_paint_layer_manager.py b/texture_paint_layer_manager.py
index 0a4e23a5e256c052985e45a9a510f5f40becea23..06ff1100d1b228e0afb729827c023e4320c03be6 100644
--- a/texture_paint_layer_manager.py
+++ b/texture_paint_layer_manager.py
@@ -7,7 +7,7 @@ bl_info = {
     "description": "Adds a layer manager for image based texture slots in paint and quick add layer tools",
     "warning": "",
     "wiki_url": "http://wiki.blender.org/index.php/Extensions:2.6/Py/Scripts/3D_interaction/Texture_paint_layers",
-    "tracker_url": "http://projects.blender.org/tracker/index.php?func=detail&aid=26789",
+    "tracker_url": "https://developer.blender.org/T26789",
     "category": "Paint"}
         
         
diff --git a/ui_translate/__init__.py b/ui_translate/__init__.py
index 99f608b4d0b9582c5e81343c0283694a5375e6f7..71c42185550e95f8a2b9b4c84b1edc79d7c671ac 100644
--- a/ui_translate/__init__.py
+++ b/ui_translate/__init__.py
@@ -24,11 +24,11 @@ bl_info = {
     "version": (1, 1, 1),
     "blender": (2, 66, 6),
     "location": "Main \"File\" menu, text editor, any UI control",
-    "description": "Allow to manage UI translations directly from Blender (update main po files, "
-                   "update scripts' translations, etc.)",
+    "description": "Allow to manage UI translations directly from Blender "
+        "(update main po files, update scripts' translations, etc.)",
     "warning": "Still in development, not all features are fully implemented yet!",
     "wiki_url": "http://wiki.blender.org/index.php/Dev:Doc/How_to/Translate_Blender",
-    "tracker_url": "http://projects.blender.org/tracker/?atid=498&group_id=9&func=browse",
+    "tracker_url": "",
     "support": 'OFFICIAL',
     "category": "System"}
 
diff --git a/ui_translate/edit_translation.py b/ui_translate/edit_translation.py
index 03c42d007229264d393330cfcda517d233b8235e..b4d02a60eedd51901bc1e7e0b34178d32f29651c 100644
--- a/ui_translate/edit_translation.py
+++ b/ui_translate/edit_translation.py
@@ -1,4 +1,4 @@
-# ##### BEGIN GPL LICENSE BLOCK #####
+# ##### BEGIN GPL LICENSE BLOCK #####
 #
 #  This program is free software; you can redistribute it and/or
 #  modify it under the terms of the GNU General Public License
@@ -85,7 +85,7 @@ class UI_OT_i18n_edittranslation_update_mo(bpy.types.Operator):
 
 
 class UI_OT_i18n_edittranslation(bpy.types.Operator):
-    """Translate the label and tool tip of the property defined by given 'parameters'"""
+    """Translate the label and tooltip of the property defined by given 'parameters'"""
     bl_idname = "ui.edittranslation"
     bl_label = "Edit Translation"
 
diff --git a/uv_bake_texture_to_vcols.py b/uv_bake_texture_to_vcols.py
index 8a9a5aea227420f51552067f341591d547224c5d..3bb84af2c2c11a9246ba0e63dc7d7678fbcfa5fc 100644
--- a/uv_bake_texture_to_vcols.py
+++ b/uv_bake_texture_to_vcols.py
@@ -22,24 +22,25 @@
 Bake UV-Texture to Vertex Colors Addon
 
 Contact:        p_boelens@msn.com
-Information:    http://projects.blender.org/tracker/index.php?func=detail&aid=28211
+Information:    https://developer.blender.org/T28211
 
 Contributor(s): Patrick Boelens, CoDEmanX.
-    
+
 All rights reserved.
 """
 
 bl_info = {
     "name": "Bake UV-Texture to Vertex Colors",
-    "description": "Bakes the colors of the active UV Texture to a Vertex Color layer. ",
+    "description": "Bakes the colors of the active UV Texture "
+        "to a Vertex Color layer.",
     "author": "Patrick Boelens, CoDEmanX",
     "version": (0, 6),
     "blender": (2, 63, 0),
     "location": "3D View > Vertex Paint > Toolshelf > Bake",
     "warning": "Requires image texture, generated textures aren't supported.",
-    "wiki_url": "http://wiki.blender.org/index.php?title=Extensions:2.6/"
-                "Py/Scripts/UV/Bake_Texture_to_Vertex_Colors",
-    "tracker_url": "http://projects.blender.org/tracker/index.php?func=detail&aid=28211",
+    "wiki_url": "http://wiki.blender.org/index.php?title=Extensions:2.6/Py/"
+        "Scripts/UV/Bake_Texture_to_Vertex_Colors",
+    "tracker_url": "https://developer.blender.org/T28211",
     "category": "UV"}
 
 import bpy
@@ -50,23 +51,26 @@ from colorsys import rgb_to_hsv, hsv_to_rgb
 class UV_OT_bake_texture_to_vcols(bpy.types.Operator):
     bl_idname = "uv.bake_texture_to_vcols"
     bl_label = "Bake UV-Texture to Vertex Colors"
-    bl_description = "Bake active UV-Texture to new Vertex Color layer (requires image texture)"
+    bl_description = "Bake active UV-Texture to new Vertex Color layer "\
+        "(requires image texture)"
     bl_options = {'REGISTER', 'UNDO'}
-    
-    replace_active_layer = BoolProperty(name="Replace layer",
-                                        description="Overwrite active Vertex Color layer",
-                                        default=True)
-
-    mappingModes = [("CLIP", "Clip", "Don't affect vertices who's UV-coordinates are out of bounds."),
-                    ("REPEAT", "Repeat", "Tile the image so that each vertex is accounted for."),
-                    ("EXTEND", "Extend", "Extends the edges of the image to the UV-coordinates.")
-                   ]
-    
-    mappingMode = EnumProperty(items=mappingModes,
-                               default="CLIP",
-                               name="Mapping",
-                               description="The mode to use for baking vertices who's UV-coordinates are out of bounds.")
-    
+
+    replace_active_layer = BoolProperty(
+        name="Replace layer",
+        description="Overwrite active Vertex Color layer",
+        default=True)
+
+    mappingModes = [
+        ("CLIP", "Clip", "Don't affect vertices who's UV-coordinates are out of bounds."),
+        ("REPEAT", "Repeat", "Tile the image so that each vertex is accounted for."),
+        ("EXTEND", "Extend", "Extends the edges of the image to the UV-coordinates.")]
+
+    mappingMode = EnumProperty(
+       items=mappingModes,
+       default="CLIP",
+       name="Mapping",
+       description="The mode to use for baking vertices who's UV-coordinates are out of bounds.")
+
     blendingModes = [("MIX", "Mix", ""),
                      ("ADD", "Add", ""),
                      ("SUBTRACT", "Subtract", ""),
@@ -84,19 +88,20 @@ class UV_OT_bake_texture_to_vcols(bpy.types.Operator):
                      ("SOFT_LIGHT", "Soft Light", ""),
                      ("LINEAR_LIGHT", "Linear Light", "")
                     ]
-      
-    blendingMode = EnumProperty(items=blendingModes,
-                                default="MULTIPLY",
-                                name="Blend Type",
-                                description="The blending mode to use when baking")
-    
+
+    blendingMode = EnumProperty(
+        items=blendingModes,
+        default="MULTIPLY",
+        name="Blend Type",
+        description="The blending mode to use when baking")
+
     mirror_x = BoolProperty(name="Mirror X", description="Mirror the image on the X-axis.")
     mirror_y = BoolProperty(name="Mirror Y", description="Mirror the image on the Y-axis.")
-        
+
     @classmethod
     def poll(self, context):
         return (context.object and
-                context.object.type == 'MESH' and 
+                context.object.type == 'MESH' and
                 context.mode != 'EDIT_MESH' and
                 context.object.data.uv_layers.active and
                 context.object.data.uv_textures.active)
@@ -108,39 +113,45 @@ class UV_OT_bake_texture_to_vcols(bpy.types.Operator):
             vertex_colors = obdata.vertex_colors.active
         else:
             vertex_colors = obdata.vertex_colors.new(name="Baked UV texture")
-        
+
             if not vertex_colors:
+
                 # Can't add more than 17 VCol layers
-                self.report({'ERROR'}, "Couldn't add another Vertex Color layer,\n"
-                                       "Please remove an existing layer or replace active.")
+                self.report({'ERROR'},
+                    "Couldn't add another Vertex Color layer,\n"
+                    "Please remove an existing layer or replace active.")
+
                 return {'CANCELLED'}
-            
+
         obdata.vertex_colors.active = vertex_colors
-        
+
         uv_images = {}
         for uv_tex in obdata.uv_textures.active.data:
-            if uv_tex.image and uv_tex.image.name not in uv_images and uv_tex.image.pixels:
-                
-                uv_images[uv_tex.image.name] = (uv_tex.image.size[0],
-                                                uv_tex.image.size[1],
-                                                uv_tex.image.pixels[:]
-                                                # Accessing pixels directly is far too slow.
-                                                # Copied to new array for massive performance-gain.
-                                               )
-        
+            if (uv_tex.image and
+                uv_tex.image.name not in uv_images and
+                uv_tex.image.pixels):
+
+                uv_images[uv_tex.image.name] = (
+                    uv_tex.image.size[0],
+                    uv_tex.image.size[1],
+                    uv_tex.image.pixels[:]
+                    # Accessing pixels directly is far too slow.
+                    # Copied to new array for massive performance-gain.
+                )
+
         for p in obdata.polygons:
             img = obdata.uv_textures.active.data[p.index].image
             if not img:
                 continue
-            
+
             image_size_x, image_size_y, uv_pixels = uv_images[img.name]
-            
+
             for loop in p.loop_indices:
-        
+
                 co = obdata.uv_layers.active.data[loop].uv
                 x_co = round(co[0] * (image_size_x - 1))
                 y_co = round(co[1] * (image_size_y - 1))
-                
+
                 if x_co < 0 or x_co >= image_size_x or y_co < 0 or y_co >= image_size_y:
                     if self.mappingMode == 'CLIP':
                         continue
@@ -158,47 +169,47 @@ class UV_OT_bake_texture_to_vcols(bpy.types.Operator):
                             y_co = image_size_y - 1
                         if y_co < 0:
                             y_co = 0
-                
+
                 if self.mirror_x:
                      x_co = image_size_x -1 - x_co
-                     
+
                 if self.mirror_y:
                      y_co = image_size_y -1 - y_co
-                     
+
                 col_out = vertex_colors.data[loop].color
-                    
+
                 pixelNumber = (image_size_x * y_co) + x_co
                 r = uv_pixels[pixelNumber*4]
                 g = uv_pixels[pixelNumber*4 + 1]
                 b = uv_pixels[pixelNumber*4 + 2]
                 a = uv_pixels[pixelNumber*4 + 3]
-                
+
                 col_in = r, g, b # texture-color
                 col_result = [r,g,b] # existing / 'base' color
-                
+
                 if self.blendingMode == 'MIX':
                     col_result = col_in
-                    
+
                 elif self.blendingMode == 'ADD':
                     col_result[0] = col_in[0] + col_out[0]
                     col_result[1] = col_in[1] + col_out[1]
                     col_result[2] = col_in[2] + col_out[2]
-                    
+
                 elif self.blendingMode == 'SUBTRACT':
                     col_result[0] = col_in[0] - col_out[0]
                     col_result[1] = col_in[1] - col_out[1]
                     col_result[2] = col_in[2] - col_out[2]
-                    
+
                 elif self.blendingMode == 'MULTIPLY':
                     col_result[0] = col_in[0] * col_out[0]
                     col_result[1] = col_in[1] * col_out[1]
                     col_result[2] = col_in[2] * col_out[2]
-                    
+
                 elif self.blendingMode == 'SCREEN':
                     col_result[0] = 1 - (1.0 - col_in[0]) * (1.0 - col_out[0])
                     col_result[1] = 1 - (1.0 - col_in[1]) * (1.0 - col_out[1])
                     col_result[2] = 1 - (1.0 - col_in[2]) * (1.0 - col_out[2])
-                    
+
                 elif self.blendingMode == 'OVERLAY':
                     if col_out[0] < 0.5:
                         col_result[0] = col_out[0] * (2.0 * col_in[0])
@@ -212,12 +223,12 @@ class UV_OT_bake_texture_to_vcols(bpy.types.Operator):
                         col_result[2] = col_out[2] * (2.0 * col_in[2])
                     else:
                         col_result[2] = 1.0 - (2.0 * (1.0 - col_in[2])) * (1.0 - col_out[2])
-                    
+
                 elif self.blendingMode == 'DIFFERENCE':
                     col_result[0] = fabs(col_in[0] - col_out[0])
                     col_result[1] = fabs(col_in[1] - col_out[1])
                     col_result[2] = fabs(col_in[2] - col_out[2])
-                    
+
                 elif self.blendingMode == 'DIVIDE':
                     if(col_in[0] != 0.0):
                         col_result[0] = col_out[0] / col_in[0]
@@ -225,7 +236,7 @@ class UV_OT_bake_texture_to_vcols(bpy.types.Operator):
                         col_result[0] = col_out[1] / col_in[1]
                     if(col_in[2] != 0.0):
                         col_result[2] = col_out[2] / col_in[2]
-                    
+
                 elif self.blendingMode == 'DARKEN':
                     if col_in[0] < col_out[0]:
                         col_result[0] = col_in[0]
@@ -239,8 +250,8 @@ class UV_OT_bake_texture_to_vcols(bpy.types.Operator):
                         col_result[2] = col_in[2]
                     else:
                         col_result[2] = col_out[2]
-                    
-                    
+
+
                 elif self.blendingMode == 'LIGHTEN':
                     if col_in[0] > col_out[0]:
                         col_result[0] = col_in[0]
@@ -254,42 +265,42 @@ class UV_OT_bake_texture_to_vcols(bpy.types.Operator):
                         col_result[2] = col_in[2]
                     else:
                         col_result[2] = col_out[2]
-                    
+
                 elif self.blendingMode == 'HUE':
                     hsv_in = rgb_to_hsv(col_in[0], col_in[1], col_in[2])
                     hsv_out = rgb_to_hsv(col_out[0], col_out[1], col_out[2])
                     hue = hsv_in[0]
                     col_result = hsv_to_rgb(hue, hsv_out[1], hsv_out[2])
-                    
+
                 elif self.blendingMode == 'SATURATION':
                     hsv_in = rgb_to_hsv(col_in[0], col_in[1], col_in[2])
                     hsv_out = rgb_to_hsv(col_out[0], col_out[1], col_out[2])
                     sat = hsv_in[1]
                     col_result = hsv_to_rgb(hsv_out[0], sat, hsv_out[2])
-                    
+
                 elif self.blendingMode == 'VALUE':
                     hsv_in = rgb_to_hsv(col_in[0], col_in[1], col_in[2])
                     hsv_out = rgb_to_hsv(col_out[0], col_out[1], col_out[2])
                     val = hsv_in[2]
                     col_result = hsv_to_rgb(hsv_out[0], hsv_out[1], val)
-                    
+
                 elif self.blendingMode == 'COLOR':
                     hsv_in = rgb_to_hsv(col_in[0], col_in[1], col_in[2])
                     hsv_out = rgb_to_hsv(col_out[0], col_out[1], col_out[2])
                     hue = hsv_in[0]
                     sat = hsv_in[1]
                     col_result = hsv_to_rgb(hue, sat, hsv_out[2])
-                    
+
                 elif self.blendingMode == 'SOFT_LIGHT':
                     scr = 1 - (1.0 - col_in[0]) * (1.0 - col_out[0])
                     scg = 1 - (1.0 - col_in[1]) * (1.0 - col_out[1])
                     scb = 1 - (1.0 - col_in[2]) * (1.0 - col_out[2])
-                    
+
                     col_result[0] = (1.0 - col_out[0]) * (col_in[0] * col_out[0]) + (col_out[0] * scr)
                     col_result[1] = (1.0 - col_out[1]) * (col_in[1] * col_out[1]) + (col_out[1] * scg)
                     col_result[2] = (1.0 - col_out[2]) * (col_in[2] * col_out[2]) + (col_out[2] * scb)
-                    
-                    
+
+
                 elif self.blendingMode == 'LINEAR_LIGHT':
                     if col_in[0] > 0.5:
                         col_result[0] = col_out[0] + 2.0 * (col_in[0] - 0.5)
@@ -303,16 +314,16 @@ class UV_OT_bake_texture_to_vcols(bpy.types.Operator):
                         col_result[2] = col_out[2] + 2.0 * (col_in[2] - 0.5)
                     else:
                         col_result[2] = col_out[2] + 2.0 * (col_in[2] - 1.0)
-                
+
                 # Add alpha color
                 a_inverted = 1 - a
                 alpha_color = context.scene.uv_bake_alpha_color
                 col_result = (col_result[0] * a + alpha_color[0] * a_inverted,
                               col_result[1] * a + alpha_color[1] * a_inverted,
                               col_result[2] * a + alpha_color[2] * a_inverted)
-                
+
                 vertex_colors.data[loop].color = col_result
-    
+
         return {'FINISHED'}
 
 class VIEW3D_PT_tools_uv_bake_texture_to_vcols(bpy.types.Panel):
@@ -320,11 +331,11 @@ class VIEW3D_PT_tools_uv_bake_texture_to_vcols(bpy.types.Panel):
     bl_space_type = "VIEW_3D"
     bl_region_type = "TOOLS"
     bl_options = {'DEFAULT_CLOSED'}
-    
+
     @classmethod
     def poll(self, context):
         return(context.mode == 'PAINT_VERTEX')
-    
+
     def draw(self, context):
         layout = self.layout
         col = layout.column()
@@ -334,7 +345,8 @@ class VIEW3D_PT_tools_uv_bake_texture_to_vcols(bpy.types.Panel):
 
 def register():
     bpy.utils.register_module(__name__)
-    bpy.types.Scene.uv_bake_alpha_color = FloatVectorProperty(name="Alpha Color",
+    bpy.types.Scene.uv_bake_alpha_color = FloatVectorProperty(
+        name="Alpha Color",
         description="Color to be used for transparency",
         subtype='COLOR',
         min=0.0,
@@ -345,4 +357,4 @@ def unregister():
     del bpy.types.Scene.uv_bake_alpha_color
 
 if __name__ == "__main__":
-    register()
\ No newline at end of file
+    register()
diff --git a/uv_texture_atlas.py b/uv_texture_atlas.py
index 8bdc1b4aef23c656b8c21325b384786ee18d474a..1fc34c3736db6535a7943c5bfce7e63043d411df 100644
--- a/uv_texture_atlas.py
+++ b/uv_texture_atlas.py
@@ -25,7 +25,7 @@ bl_info = {
     "location": "Properties > Render",
     "description": "A simple Texture Atlas for unwrapping many objects. It creates additional UV",
     "wiki_url": "http://wiki.blender.org/index.php/Extensions:2.6/Py/Scripts/UV/TextureAtlas",
-    "tracker_url": "http://projects.blender.org/scm/viewvc.php/trunk/py/scripts/addons/uv_texture_atlas.py?view=log&root=bf-extensions",
+    "tracker_url": "https://developer.blender.org/T32494",
     "category": "UV"}
 
 import bpy