Allowed a multipart form post to include a request body and file(s); Ignored warning 1591 where applicable; Switched Uri.EscapeDataString for Uri.EscapeUriString for everything except OAuth to stop characters from being encoded in the URL that don't need to be (i.e. commas); Added missing XML comment parameters where needed to reduce warnings; Updated the copyright to extend through 2014; Updated the version number to 104.5.1;