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-Fixed small bugs all around
-Added ability to show/hide entire sections of the spatial (3D) tree
-WIP new vehicle (not ready yet) based on Bullet
-fixed TouchScreenButton with stretch2d
-fixed(?) OSX crash on startup (test!!)
-compilation fixes on windows
-CollisionPolygon editor works again
-find buttons en find dialog
-TileMap editor cleanup (removed "error", made nicer)
-viewport flicker fixed
-make .scn default extension for saving scenes
-export the rest of the network classes to gdscript