v0.6, 15 Apr 2013
Add get_mark.
v0.5, 3 Apr 2013
Add repeat.
v0.4, 24 Dec 2012
Add set_payload.
v0.2, 13 May 2011
Rename NetfilterQueue to QueueHandler.
Add API section to README.rst.
v0.1, 12 May 2011
Initial release.