* Handle duplicate headers, and make it easier for users to use cookies, by providing a pre-built string
* Ensure proper cookie ordering, make key plural
* Add note about cookie sort order
* Add tests for duplicate headers and cookies_string
* Extend tests, normalize headers between py2 and py3
* Add some notes in test code
* Don't use AttributeError, use six.PY3. Use better names.
* Start of tests for ansible.module_utils.urls
* Start adding file for generic functions throughout urls
* Add tests for maybe_add_ssl_handler
* Remove commented out line
* Improve coverage of maybe_add_ssl_handler, test basic_auth_header
* Start tests for open_url
* pep8 and ignore urlopen in test_url_open.py tests
* Extend auth tests, add test for validate_certs=False
* Finish tests for open_url
* Add tests for fetch_url
* Add fetch_url tests to replace-urlopen ignore
* dummy instead of _
* Add BadStatusLine test
* Reorganize/rename tests
* Add tests for RedirectHandlerFactory
* Add POST test to confirm behavior is to convert to GET
* Update tests to handle recent changes to RedirectHandlerFactory
* Special test, just to confirm that aliasing http_error_308 to http_error_307 does not cause issues with urllib2 type redirects
