Release 1 | Beta 0 | Development 1 | Experimental 0

* Added GUITextBoxSelection
* Added KeyboardShortcut
* Added KeyboardShortcuts
* Added KeyboardShortcutListener
* Added ClipboardUtils

* Added the constructor Colour(Colour colour, float a) in Colour
* Added selection to GUITextBox
* Added the methods in ArrayUtils to change int[] to
  List<Integer> and vice versa

* Fixed bug: GUITextBox backspace would sometimes
             leave a gap if not at the beginning or
             end of the view index's