Thu, 20 Jan 2011 23:19:30 +0100 Christian Urban first split of tutorrial theory
Wed, 19 Jan 2011 23:58:12 +0100 Christian Urban added a very rough version of the tutorial; all seems to work
(0) -1000 -300 -100 -30 -10 -2 +2 +10 +30 +100 +300 tip