Wed, 05 Mar 2014 14:36:45 -0500 Richard Penman avoid duplicate values
Wed, 23 Jan 2013 12:56:20 +1100 Richard Baron Penman applied Brazilian patch
Wed, 09 Jan 2013 09:07:47 +1100 Richard Baron Penman fixed tuple string patch
(0) -10 -3 +3 +10 +30 +100 tip