Releasing 0.7.0
Tagging release candidate 1 for 0.7
Second release candidate for 0.7
Tag 0.7.1 release
Release 0.8.0
Tagging release candidate 0.8.0 RC1
Tagging 0.8.1
Second stable release of 0.8 series
Release 0.9.0.
Tag release candidate 0.9.0rc1