22/10/2008 
- added LICENSE file taken from
http://www.superchessengine.com/toga_ii.htm
- added COPYING file
- fix for small opening book handling bug; see
http://www.computerchess.info/tdbb/phpBB3/viewtopic.php?f=9&t=177
- eliminated use of sem_init and friends; these do not work
properly on MACOSX; see
http://64.68.157.89/forum/viewtopic.php?t=24108&postdays=0&postorder=asc&topic_view=&start=30
