Implemented WikiGeoSearch
Adding some TODO's.
Get backlink resource to work.
Implement cleaners for new HttpLink classes
Working example of finding geolocation based backlinks.
Adding Londen death HttpLink.
Some first simple results.
Correct functioning of offset with config.
Add another TODO.
Final thoughts, ready to polish
Merge branch 'tate-modern'
Renaming WikiGeoSearch to WikiLocationSearch.
General clean of wiki core file.
Create a base for Wikipedia related links.
Adding some ackward syntax to inherit HIF attributes.
Add a HttpLink to retrieve the claims that an item makes.
Introduces the sanitize_input method and a first helper.
Finish the WikiDataClaimers link.
Clean the code and introduce structure for extend_process task.