Fix: the profile_background_image_url and profile_background_tile attributes weren't always present in extended User objects (ex: from /users/show)
Fix: passing a callback parameter will no longer result in a 200 response code, as it was breaking some applications. Please use suppress_response_codes=true if you need this behavior. Fix: whitelisting approval emails now contain the IP addresses we approved, not just the usernames. Please also note this pending change to the response body of /friendships/exists, shipping January 2, 2009: http://code.google.com/p/twitter-api/issues/detail?id=202 -- Alex Payne - API Lead, Twitter, Inc. http://twitter.com/al3x
