Version 3.1.0 - June 3, 2014 Allow specifying a view controller to use for presenting ads in a modal window Fix a bug that could prevent ads from dissappearing when changing to an ad unit ID with no targeted ads Version 3.0.1 - May 1, 2014 Bugfix Release Smoother UI behavior when changing the ad unit assigned to a table view or collection view. Version 3.0.0 - April 18, 2014 Major release with upd