continuation
Support the ``continuation parameter and result for Google Reader API ID calls. Allows clients to support paging of results / fetching additional results when the number of entries exceed the limit parameter passed in by the client.
Co-authored-by: Sebastian Kempken <sebastian@kempken.io> Co-authored-by: Gergan Penkov <gergan@gmail.com> Co-authored-by: Dave Marquard <dave@marquard.org> Co-authored-by: Moritz Fago <4459068+MoritzFago@users.noreply.github.com>