refactor api_req into a MediawikiCall, which is a fair sight more formalized
add url and notices property to MediawikiCall
add a (failing) unicode title test. ransom better learn how to escape right quick.
possibly fixed the quoting issue
little bit of tidyin
merge get_external_links in from stephen's repo
Merge branch 'master' of github.com:mahmoud/wapiti
few new operations and test