Version 0.9.2

Version 0.9.1

Version 0.9.0

Merge pull request carltongibson#167 from carltongibson/release-0.8

Release 0.8. Closes carltongibson#144

Version 0.6

Version 0.6a1

Version 0.5.4

Bump version number for release.

Bump the version number for the small setup.py fixes.