Graph
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 Add task editing.Fri, 28 Aug 2009 20:57:08 -0400, by Steve Losh
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 Refactor out the task-getting into getitem.Fri, 28 Aug 2009 20:40:10 -0400, by Steve Losh
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 Change variable names to avoid shadowing builtins.Fri, 28 Aug 2009 20:32:18 -0400, by Steve Losh
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 Fix a few things from pylint.Wed, 26 Aug 2009 18:38:48 -0400, by Steve Losh