Release version 0.6.7
Release version 0.6.6
Release version 0.6.5
Release version 0.6.4
Release version 0.6.3
Release version 0.6.2
Release version 0.6.1
Release version 0.6.0
Release version 0.5.0
Release version 0.4.2
Release version 0.4.1
Release version 0.4.0
Release version 0.1.0