Tag v0.10.0

Bump version to 0.9.1

Bump version to 0.9.0

Bump to v0.8.1

Just to ensure that gocd also gets updated

Add listing of new commands to README

Release v0.7.1

Changed
-------

* Changed to depend on version >= 0.7.1 of gocd because of bug fixes.
  For more info see the `release notes`_ for py-gocd.

.. _`release notes`: https://github.com/gaqzi/py-gocd/releases/tag/v.0.7.1

Bump version to v0.7.0.3

First public release. Time to get this show on the road.