v0.1.0, 18 October 2011, -- Initial release.
v0.1.1, 18 October 2011, -- Add 'systemid' parameter to service lookup to ensure compatibility with all systems.
v0.1.2, 18 October 2011, -- Removed unnecessary dependency on urllib
v.0.1.3, 16 November 2011, -- No more silly busscraper.busscraper