WW Model Helpers 2.1.0

• Implemented converting TEV register animations (BRK animations - animations that change color over time) to and from JSON, so you can now create custom BRK animations much more easily than with hex editing.
• Models that you haven't modified since the last time you ran pack_player.exe are now skipped, so that the last compiled .bdl version of the model is used, instead of compiling a new .bdl with SuperBMD. This makes running pack_player.exe faster with many models. You can disable this and always compile all models by passing the -noskipunchanged option to pack_player.exe.
• Increased the range for detecting duplicate vertices for the remove_doubles.py and fix_normals.py Blender scripts.
• remove_doubles.py now supports only changing certain meshes by hiding the meshes you don't want changed, like fix_normals.py already did.
• Standalone .bti files can now be encoded to I8, IA4, IA8, and C14X2 image formats.
• When encoding a standalone .bti file to a greyscale format, but the given .png is not perfectly greyscale, it will now be converted to greyscale instead of giving an error.
• When encoding a standalone .bti file to I4, the brightness of the pixels is now used instead of the alpha value.
• MinLOD and MaxLOD are now properly included in the tex headers json file for standalone .bti files.
• Fixed an error that occurred when trying to pack a custom model folder with a hands folder in it, but the clean arc given did not have a hands.bdl model.