v1.8, 2013-05-07:
 - Replayer bug fixes

v1.6, 2008-11-08:
 - Replayer bug fixes

v1.5, 2008-08-18:
 - Plays files that require HT1.5 features

v1.4, 2007-08-24:
 - Added support for 9xx instrument playlist panning command
 - Fixed a really stupid bug

v1.3, 2007-03-05:
 - Should now play all AHX tunes properly
 - Shouldn't clip with loud tunes and stereo mixing levels below 100% any more

v1.1, 2006-12-27:
 - Added 4xx command that was missing from both HivelyTracker and WinAHX for
   some unknown reason. The code was always there in WinAHX for all these
   years, but the 4xx command wasn't implimented so it was never called.

v1.0, 2006-12-10:
 - Bodged together this crappy example