+ Some C# UUID stuff
+ Added some Mono functions
+ ScriptEngine:
+ ID -> ScriptInstance map in ScriptEngine
+ GetManagedInstance
+ Fixed Scene not visible after loading a new scene
+ Renamed OnViewportResize to SetViewportSize for Scene and SceneRenderer
- EditorContentManager now returns null if asset wasn't found (instead of crashing)
- FixUp asset identifier when dragging from asset browser
- Lock current asset in properties editor