Base types widely used in OpenScales like Bounds or LonLat

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	Class	Description
	Bounds	Instances of this class represent bounding boxes.
	DraggableSprite	DraggableSprite inherits from Sprite.
	LonLat	This class represents a longitude and latitude pair.
	Pixel	This class represents a screen coordinate, in x and y coordinates.
	Size	Instances of this class represent a width/height pair.
	Unit	The map unit