- Added UUID
- Fixed SceneSerializer texture de-serialization with a temporary solution
- Added GetEntityByTag to Scene
- Added 'editorlayer.yaml' as a Scene to the Mirror project
- EditorLayer no longer generates entities, rather it loads them from 'editorlayer.yaml'
- Added File utilities
* 'FileManager'
* 'BasicFileHandle'
* 'ImageFileHandle'
- Moved 'ResourceManager' from 'GraphicsContext' to 'Application'
- Added static 'Quit' function to 'Application'