Add Curve: Extra Objects: fix visibility, move and rotate in edit mode

add_curve_extra_objects/add_curve_aceous_galore.py

add_curve_extra_objects/add_curve_braid.py

add_curve_extra_objects/add_curve_curly.py

add_curve_extra_objects/add_curve_simple.py

add_curve_extra_objects/add_curve_spirals.py

add_curve_extra_objects/beveltaper_curve.py