Tag release 0.2.0
Release version 0.2.1
1.0.0 prerelease 1, date 22 Aug 2012.
Version 1.0.0_pre2 (date 24 september 2012)
Tag release 1.0.0_pre3
Release 1.0.0 (27-12-2012)
Release version 1.1.0 (22-04-2013)
bugfix release (2013-10-02)
bugfix update (2013-11-10)
Version 1.2.0 (16 April 2014)