abraham/twitteroauth — pull request #232 by tomi-heiskanen (2013-10-02 10:13:10+00:00)
Title: Fix HTTP403 / "Missing or invalid url parameter" issue with Twitter API ...

Fix HTTP403 / "Missing or invalid url parameter" issue with Twitter API 1.1 update_with_media-method. Content-Type must be "multipart/form-data" and as result signature must be calculated from oauth-header parameters only.