alphagov/whitehall — pull request #1256 by GrouchPotato (2014-02-11 16:28:04+00:00)
Title: Rescue from Chronic parse failures

Chronic.parse is supposed to return a date or nil. With some date strings,
(eg. a single 't') it throws an exception instead which would be
better to catch.

Fixes: https://www.pivotaltracker.com/story/show/64168430