• Added game.System.width and game.System.height attributes
• Added game.System.startScene attribute
• Added game.Vector.angleFromOrigin method
• Added game.RenderTexture class
• Fixed game.Animation remove, when using onComplete
• Fixed game.TweenGroup.add method
• Fixed game.Vector.angle method to return correct value
• Fixed mouseover/mouseout overriding touchover/touchout
• Fixed game.World.removeBody method not working, when collisionGroup not set