few api methods dealing with redirects. (Won't be backported to trunk)
few api methods dealing with redirects.
(Won't be backported to trunk)

git-svn-id: 9a050473c2aca1e14f53d73349e19b938c2cf203@10381 6a7f98fc-eeb0-4dc1-a6e2-c2c589a08aa6

legoktm/pywikipedia-rewrite