0.60 (26 Mar 2001):
  Increased length of parameter buffer.
0.61 (27 Mar 2001):
  Added TaskRegisters SWI for 'snooping'
  Added support for longer task command lines.
0.62 (13 Apr 2001):
  Extended lengths of TaskWindow input and output buffers.
0.63 (16 May 2001):
  Fix for SleepNoMore not being claimed on error.
0.64 (16 May 2001):
  Improved pollword handling
0.65 (16 May 2001):
  VSync event is only enabled after you open your first taskwindow
0.66 (12 Mar 2002):
  Updated Makefile to new style.
0.67 (13 Mar 2002):
  Fix for VersionAsm.
0.68 (09 Jun 2002):
  Removed support for RISC OS 2.
0.69 (06 Aug 2002):
  Widened redirection file handle.
