Fri, 21 Dec 2012 23:32:58 +0000 Christian Urban added
Fri, 21 Dec 2012 18:06:00 +0000 Christian Urban more one the implementation
Fri, 21 Dec 2012 13:30:14 +0000 Christian Urban added explanation of the code
(0) -10 -3 +3 +10 +30 +100 tip