0.22 (16 Jul 2001):
  Removed SWI entry points.
0.23 (23 Nov 2001):
  Added ursula service handler.
0.24 (20 Dec 2001):
  Updated makefile to new format.
0.25 (14 Jul 2002):
  Added internal support for identifying Intellimouse supporting mice.
0.26 (10 Aug 2002):
  Added support for extended pointer requests.
0.27 (11 Aug 2002):
  Reversed scroll y value to be more sane.
0.28 (04 Oct 2002):
  Fixes for certain scroll operations.
0.29 (09 Oct 2002):
  Added support for dual scroll wheels (disabled).
0.30 (16 Oct 2002):
  Fix for PS2 mice with scrollwheels scrolling.
0.31 (17 Oct 2002):
  Removed dual mouse wheel support.
