30th March, 2015 - Release S4/1.02 (Standard 4, larger manual added)
Added larger instructions manual browser; minor optimizations to the source
code.

8th September, 2014 - Release S4/1.01 (Standard 4, complete rewrite)
Completely rewritten source code in order to do major optimizazions; designed
new graphics; updated to the new standard "S4"; re-recorded sound samples at
higher quality; added missing sound sample for "Chance time"; added a brand new
splash screen, allowing to hide/display it at the next startup.

28th May, 2001 - Release S3/1.00a (Standard 3, fix for Voodoo3/G200 video cards)
Changed some sprites properties due to a problem with Voodoo3 and G200 cards,
which appear to have some problems with showing 1-bit transparent bitmap sprites.