Adding note on DQ
Fixing bug in ``filter()`` when ``DQ`` is negated.
Better assertion.
Store ordering on node rather than wrapping with an object.
Moving initialization out of query result wrapper's init, only executing
when a row has been returned.
Docs on proxy in cookbook, fixes #221
Adding support for named cursors in playhouse.postgres_ext
Slicing and indexing a query behave like Django (and slice the
underlying result set) rather than applying a limit/offset and
re-querying.
Adding a helper to do server side iteration correctly.
Documenting server-side cursors.
Fixing refs.
Forgot code-block language.
Cross-reference
Misnamed ref.
Cleaning up docs a bit.
Version 2.1.4
Adding a hook for cloning select query attributes.
Cleaning up and separating out cloning behavior on queries.
Allowing single queries to be executed using server-side cursors.
Rewriting ss cursor docs.