new rev release 0.8.3
new rev release 0.8.2
new rev release 0.8.1
new minor release 0.8.0
new rev release 0.7.2
new rev release 0.7.1
new minor release 0.7.0
new minor release 0.6.0
new minor release 0.5.0
new rev release 0.4.2
new rev release 0.4.1
new minor release 0.4.0
new rev release 0.3.1
new minor release 0.3.0