hpoydar/chronic_duration — pull request #13 by pdf (2012-06-26 12:58:42+00:00)
Title: Add :keep_zero option to ::parse and ::output

Since zero is not nil, and having to check for nil (or zero) everywhere is wasteful, I've added an option to allow both ChronicDuration::parse and ChronicDuration::output to return zero values. Fixes #2.