Merge pull request #22 from kafene/master

a few changes to request.php
Minor code changes
Updated getTemplate to allow subdirectories.
$_GET should not be overwritten.
Added test for Request class.
Updated router pattern matching.
Changed PHPUnit references.  Added new tests for router.
Added matched regex property.
Parse optional parameters before regex.
Minor code changes.
Merge pull request #3 from mikecao/master

update