Release 0 | Beta 2 | Development 1 | Experimental 0

* Added Camera2D
* Added GUIRadioCheckBox
* Added GUILabel
* Added the variable 'text' in GUICheckBox
* Added rotation and scaling when linking Objects
  (2D + 3D)

* Increased performance (Hopefully): Linked Objects

* Fixed bug: GUIDropDownMenu and GUIDropDownList
		 	 stayed open when the mouse clicked
		 	 outside of the menu/list
* Fixed bug: Linked object scaling was wrong
* Fixed bug: GUI components didn't fully work with
 			 object linking