zendframework/zf2 — pull request #1710 by Maks3w (2012-07-02 22:22:11+00:00)
Title: Use headers container in zend mime

* Use Zend\Mail\Headers for return the headers in Zend\Mime\Decode
* Allow to each header to set his own encoding from the raw string
* Add a switch to get the field value in Mime-Encoding (for non US-ASCII) or ZF2 Internal (PHP string UTF-8)