dosage

Remove support for very old versions of "requests". 2015-11-02 22:24:01 +00:00			`requests>=2.0`
Make version fetching a bit more robust (use pbr). 2015-11-06 21:08:14 +00:00			`pbr`
Make lxml a requirement. With my last commit > 35% of supported comics use it ;) 2016-03-16 23:58:41 +00:00			`lxml`