fabpot/Goutte — pull request #102 by sgronewold (2013-04-23 09:16:25+00:00)
Title: Added ability to remove request header

Use case: If you are in a mink behat context and you specify a step definition where a request header gets set. Afterwards you want to assert what happens without the header so you need a way to unset the header within the next step definition.