Refactor list to allow alternate queries.
Use List::MoreUtils::uniq to filter duplicate stories_id instead of creating a hash and requesting the keys.
Add debugging code.
Add initial version with list querying.
Add search_for_processed_stories_ids method.
Create initial version of stories/list
Purge old api access point code.
Let child classes change the last_id param name.
Use last_processed_last_id param name