little polish changes:

0.6 -> 0.7 (10.III.2007)
- improved graphic
- added full screen mode
- added squares names on board
- added game cancel button
- fixed bug in program exit procedure

0.5 -> 0.6 (05.IX.2006)
- added opening book (from Winbraz 3d, thanks to J. B. Alemanni)
- new end game database file format (please, delete enddb*.bin files generated by earlier program version: 0.4 or 0.5)
- new end game database generator (previous was buggy)
- better time to move management

0.4 -> 0.5 (27.VIII.2006)
- added bigger end game database (see: help -> end game database info)
- fixed serious bug in end game database generator

0.3 -> 0.4 (15.VIII.2006)
- better time to move management
- added quiescent search
- added aspiration window search
- added transposition table
- added end game database (3 pieces, generated on program start only)
- improved: fail soft alpha-beta with PVS (instead of classic alpha-beta)

0.2 -> 0.3 (25.III.2006)
- added simple log
- added draws (when opponents agree for a draw)

0.1 -> 0.2 (28.IX.2005)
- fixed serious bug in engine, and some others bugs

0.1
- first public release