Prepare 0.9.0 release
Prepare 0.8.2 release
Prepare 0.8.1 release
Prepare 0.8.0 release
Prepare 0.7.1 release
manual 0.7.0
Prepare 0.4.8 release
Prepare 0.6.6 release
Prepare 0.6.5 release
Prepare 0.6.4 release