29th June, 2015 - Release S4/1.02 (Standard 4, complete rewrite)
Completely rewritten source code in order to do major optimizazions, fix bugs,
etc. Included new much more detailed instructions manual than the previous
one.

3rd April, 2001 - Release S3/1.01a (Standard 3, minor bug-fix)
Fixed a minor bug in the game speed routines.

28th March, 2001 - Release S3/1.01 (Standard 3, final)
New standard: totally rewritten sound routines; Fmod sound library 3.31 added;
small bug-fixes and audio settings saving routines.
