Initial spike on cookie support
More cookie work.
Better docstrings
Deal with pep8.
Use requests.cookies without vendoring the module.
Add requests.
Merge branch 'cookies-old' into cookies-redux

Conflicts:
	docs/index.rst
	treq/client.py
	treq/test/test_treq_integration.py
Finish merge.
Cookies without WeakKeyDictionary.
No exclusion for the vendoring of requests, just depend on requests because donald fixed dependency management in python.
Merge branch 'cookies' into cookies-two

Conflicts:
	docs/howto.rst
	treq/client.py
	treq/response.py
Deal with cookies on responses on redirects and totally actually use CookieAgent.
Merge pull request #25 from dreid/cookies

Cookies