AFNetworking/AFNetworking — pull request #1919 by robertmryan (2014-03-15 18:09:58+00:00)
Title: Add boundary to copyWithZone for AFHTTPBodyPart

I added `boundary` to `copyWithZone` for `AFHTTPBodyPart`. Failure to do so resulted in multipart requests where the boundary for that body part was `--(null)` rather than the correct boundary.