1.3.0
 * Gamepad callbacks now include context pointers
 * Axis move callback now reports previous axis value in addition to current one
 * Fixed a major bug (introduced in 1.2.0) that caused button up events never to be reported on Windows

1.2.0
 * Removed dependencies on utilities and stemobject. Library is now completely standalone, though test harness still requires shell and glutshell.
 * Gamepad API no longer uses EventDispatcher, instead providing GLUT-style callback registration for all previous event types

1.1.6
 * Added 64-bit Windows and Linux support

1.1.5
 * Gamepad_detectDevices() significantly sped up on Linux

1.1.4
 * Gamepad_processEvents() will now do nothing if called from within itself

1.1.3
 * Updated event dispatching to work with utilities 1.5.0

1.1.2
 * Updated dependencies: utilities 1.4.0 -> 1.4.2

1.1.1
 * Fixed crashes from retrieving gamepad description strings
 * Fixed a memory leak
 * Fixed a potential thread deadlock on Linux
 * Removed leftover joystick debug code