Methods
get_most_recent_docs
get_feed_docs
Get the documents for a particular feed sorted by date in reverse chrono order.
get_collections
Get the collections by name sorted by date in reverse chrono order.
get_collection_pages
Get the pages belonging to a particular collection. NOTE: We get the list of page ids from the collection collected_page_ids value. Then we find all documents corresponding to those ids.
Return an (collection_name, ArrayRef of pages);