More Needed List Queries

[elifoster]

Here are a bunch of more list queries we need to support:

• [x] iwbacklinks
• [x] logevents Support all events, and all actions.
• [x] langbacklinks
• [x] imageusage
• [x] exturlusage
• [x] deletedrevs
• [x] recentchanges
• [x] querypage
• [x] prefixsearch
• [x] tags

[elifoster]

See branch list-refactor.