guzzle/guzzle — pull request #454 by Thinkscape (2013-10-29 13:49:58+00:00)
Title: Fix E_NOTICE on Header::parseParams() with empty text.

````php
$h = new Header('X-Whatever', '');
$h->parseParams();
````
````
Notice: Undefined offset: 0 in guzzle/src/Guzzle/Http/Message/Header.php on line 137
````