Let the DataContainer's __eq__ run, not compare "just the string output"
Adding getter
Fixing object copy() and adding unittest for it
Cosmetic
Adding test for FileContentMutant + FileDataToken + MultipartContainer
https://github.com/andresriancho/w3af/issues/3149

Still failing because of encoding issue :S
* Splitting the DataToken value into payload and value. Payload is what I want to send, value is what gets sent to the wire
* Fixing test for FileContentMutant by using DataToken.get_payload
* Splitting FuzzableRequest.get_headers into get_headers and get_all_headers in order to be able to keep the user specified and the framework generated headers split