Add Curve Extra Objects: Add missing operators to add menu

add_curve_extra_objects/__init__.py

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/add_curve_spirofit_bouncespline.py

add_curve_extra_objects/add_curve_torus_knots.py

add_curve_extra_objects/add_surface_plane_cone.py

add_curve_extra_objects/beveltaper_curve.py