jasoleun

[fix class description error for blender 2.81a](https://github.com/enziop/mixamo_converter/commit/f0fd55e2a32b51e4f5bf754fbd27ca9f6206cb4a) [- fixed trying to decode string](https://github.com/enziop/mixamo_converter/commit/0cbdfdb82e5c3afa56fef5099774488d75d4b0c9) [simple fix that prevents "expected int" error in blender 3.2.1](https://github.com/enziop/mixamo_converter/commit/3ed8289342b80011a8f306012cdc9871ec734fba) Tested working with Blender 4.0.2