Scripting interface additions, bbox override properties

1.48.0 Scripting interface for Apply slot colors, scripting interface for addCustomSkinOutfit (quickly update custom skin from object)
1.47.5 Make compatible with ProUI plugin for scroll lists
1.47.3 Add bounding box override checkbox (can set bounding box in property, no need for transparent bounding box)
1.46.0 More animation scripting interfaces
1.45.0 Animation scripting interfaces
1.44.0 Palette loading optimization (if only a few palette entries need an update, just update those areas of the palette texture, otherwise update the entire palette texture.)
Palette texture support (requires palette string, 64x64 palettes per Spine object, requires 64 level grayscale png input).