Add support for the properties 'rights', 'witheditsonly' and
'activeusers'. Adding all arguments to the end of the argument
list to avoid breaking any existing clients depending on the
existing argument order.

- Suggested version number bump to 0.7
- Add recent changes, including links to relevant commits,
  issues and pull requests
- fill in old details
- Minor formatting tweaks

* Add stubs for missing functions
* Update RELEASE-NOTES
* Add fileno parameter to HTTPConnection
* Properly fix alpha versions

* Fix mwclient on WMF wikis