v50.0 -- 21/May/1995
Initial version based on the Directory Opus 5.0 Manual.
Never publicly released or properly polished off.

v55.0 -- 21/Sep/1996 (What is it about the 21st?) 
Completely re-done. Based on the Directory Opus 5.5 Manual with numerous
additions and several corrections.

v55.1 -- 22/Sep/1996
 Lister events   snapshot  and  unsnapshot  were missing.
Fixed a small spelling error (I'm sure there are more :-) ).
Rearranged the main  contents page  slightly.

v55.2 -- 2/Oct/1996
Second returned argument of  lister query position  now documented.
Improved  lister clear flags  section (description of flags).
Added a special note about  dropfrom's  to the main Opus window.

v56.1 -- 29/Oct/1997
Guide document updated to support features in Opus Magellan 5.66 as of
29/Oct/1997 by Andrew Dunbar, GPSoftware Brisbane, Australia.

v57.0 -- 29/Jul/1998
Guide document updated to support features in Opus Magellan II as of
Dave Clarke, Beta-tester Melbourne, Australia.

v57.1 -- 1/Sep/1998
Found a few typo's, added the FTP ARexx commands, added 'lister2 popups' to
Custom Handler section, found a few missing index links.
Dave Clarke, Beta-tester Melbourne, Australia.

v57.2 -- 1/Sep/1998
Removed the FTP ARexx commands, it doesn't have any.
Stupid me :-/
Dave Clarke, Beta-tester Melbourne, Australia.

v57.3 -- 12/Sep/1998
Found a few typos, I was missing from the credits for some reason :-/
Updated the distributors list.
Dave Clarke, Beta-tester Melbourne, Australia.

v57.4 -- 12/Sep/1998
Added 'lister query/set commentlength', fixed 'dopus/lister request'.
Dave Clarke, Beta-tester Melbourne, Australia.

v57.5 -- 16/Oct/1998
Typos in 'lister set/clear value' fixed.  Typo in 'dopus set sound' fixed.
Dave Clarke, Beta-tester Melbourne, Australia.