Release v1.13.0

• Removed useless exporter options
• Allow importing animations without a skeleton
• Remove leftover debug code
• Allow selecting objects to export
• Improve handling of multiple D:OS 2 model flags
• Added a command line option for ignoring bad UVs (mainly for testing)
• Fix for models not being exported if they lack meshes
• Temp/hacky fix for animation track -> skeleton name mismatch (Dummy_Foot vs Dummy_Foot_01)
• Apply parent node transforms to armature when importing from Collada
• Fixed loading of models with over 32767 vertices