Return window size for GetDesktopResolution() on mobile platforms due to possible SDL bug.
Add the concept of base class type to Object to simplify determining if a ScriptInstance's handle variable is a Node, Component or Resource. Serialize script's resource handles as ResourceRef attributes and allow editing them.
Trim path in AddTrailingSlash() & RemoveTrailingSlash() to be sure. Fix extra slashes appearing in scene load path in the editor.
Fix crash when loading another scene in the editor after loading a scene with physics constraints.