Change castling code to allow castling with any corner piece type.
Implement 6th-rank promotion based on 'Queen' value.
Makruk added as new variant to the fmax.ini file.
+
+16/1/2010 Fixed bug in Shatranj result claims.
+ Flip eval sign when side-to-move changes through WB color command.
+17/1/2010 Removed Shatranj stalemate claim again, as it was never triggered.
+
+1/11/2010 Implement counting of pieces, and extinction win condition.
+ Add engine option to allow subdivision of variant fairy.
+ Add FIDE vs Nutty Knights as variant fairy/FIDE-Nutters
+ Allow white and black to promote to a different piece type.
+
+2/11/2010 Implement duple-check rule.
+ Add Spartan Chess as variant to fmax.ini.
+ Update docs.