Sat, 19 Dec 2009 10:47:13 +0000 Paul Crowley Tidy up file prologues; move credits to CREDITS
Sat, 19 Dec 2009 10:46:42 +0000 Paul Crowley "Checker" class isn't doing any work, replace with function
(0) -100 -30 -10 -2 +2 +10 +30 +100 tip