2.1.0 (2014-12-13)
 * Updated for shell 2.1.0 (adds Shell_setVSync (which replaces GLXShell_setVSync), Shell_openFileDialog, Shell_saveFileDialog, Shell_systemBeep, Shell_getSafeWindowRect, Shell_confirmQuitFunc, and isRepeat argument to Shell_keyDownFunc callback)

2.0.0 (2014-10-24)
 * Updated for shell 2.0.0 (adds multiple display support, scroll wheel events, registered callbacks for input events)
 * Shell_setCursor(ShellCursor_arrow) now changes to the default cursor rather than XC_top_left_arrow

1.0.0 (2014-01-20)
 * Initial version