1.2.0 Release (astuff#93)

* Update changelog for 1.2.0 release

* 1.2.0

1.1.0 Release (astuff#74)

* Update changelog for 1.1.0 release

* 1.1.0

* Update changelog to include recent commits

2001.1.0 Release (astuff#63)

* Update changelog for 2001.1.0 release

* 2001.1.0

1.0.0 Release (astuff#53)

* Update changelog for 1.0.0 release

* 1.0.0

0.0.12 Release (astuff#17)

* Update changelog for 0.0.12 release

* 0.0.12