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-Documentation now shows overridable theme values (though this needs to be documented).
-Detect when object transform is flipped and flip normals too.
-TileMap can specify bounce and friction for collision.
-Removed limit of 4 lights per object
-Added is_hovered() to buttons.
-load() was in the GDScript docs but missing in the scripting-different music for platformer 2D and 3D
-fix how documentation is generated, built in doc browser should be always up to date
-copypaste, scrolling, etc in builtin doc
-built-in scripts get saved now (though debugger may not always work on them)
-Theme can be set to controls as a property
