* Fixed (REST): When sending Direct Messages reaching the limit now returns HTTP 403 instead of HTTP 500.

* Fixed (REST): When uploading a new background image via the API the result was not immediately reflected. This has now been fixed.

* Feature (REST): Support the user_id and screen_name parameters for friendships/create, friendships/destroy, notifications/create, and notifications/leave.

* Feature (REST): Support the max_id parameter for direct message pagination.