13th October, 2014 - Release S4/1.04 (Standard 4, larger manual added)
Added larger instructions manual browser; several optimizations to the source
code; added a brand new splash screen, allowing to hide/display it at the next
startup.

5th May, 2014 - Release S4/1.03 (Standard 4, complete rewrite)
Completely rewritten source code in order to do major optimizazions; designed
new graphics; updated to the new standard "S4"; normalized sound samples
volume to a higher level; fixed several bugs; added the new "About" screen.

16th July, 2003 - Release S3/1.02 (Standard 3, manual added)
Manual browser finally added! also Fmod 3.6 included.

22nd September, 2001 - Release S3/1.01 (Standard 3, minor bug-fix)
Fixed a small bug in game speed routines.