In order of priority:
- Issue a warning on too many download calls
- Add parsing 'today/popular/historical/channel' topic lists
- Try to replace _process_entry regexps with DOM
- Parse author pages (detect sponsored/rookie/banned)
- Parse AMA-type topic pages, with questions + answers
- Make entries WWW::Eksi::Entry objects
- Make authors WWW::Eksi::Author objects
Future:
- login, post, vote