[FIX] patrol: Replace mwlib with mwparserfromhell
This removes the dependency of mwlib (which doesn't work on Python 3)
and uses mwparserfromhell instead. Unfortunately does the mwparserfromhell
implementation not support lists directly so the parsed result has to be
It now allows links outside of lists and normalizes the titles and checks
against the aliases for Special:PrefixIndex.