alphagov/whitehall — pull request #494 by tekin (2013-04-24 16:17:57+00:00)
Title: Historical accounts date ranges

Tracker: https://www.pivotaltracker.com/story/show/48664181

We want to list all the periods for which someone served in office, not just the one. This also corrects the date range format to match what it says in the style guide.