Small modifications to Client.request to support enhanced HTTP headers -
particularly useful if you need to send 'Content-type' headers to
remote server.
Refactor work

Moved docs into Sphinx package
Moved redirect_uri into auth_uri and request_token
Merge branch 'master' of git://github.com/seanrmurphy/sanction into refactor

Conflicts:
	sanction/client.py
bumped version number
updated example server