Fix Custom Error Response

Merge pull request #4 from vcenturion/master

Return the response of the error function with the correct Http Status

Fixed to search for token on argument request instead attribute

0.3.1

Fix - added token search for on argument

Documentation and Example added

0.3.0

Documentation and example added

Fixed typo that broke authentication via HTTP header

There was a small typo in the TokenSearch (regexp instead of regex) that made authentication via HTTP header impossible since the preg_match would never find a match.

Unauthorized Exception Interface Added

0.2.0

Change Exception and Added Exception Interface