Now testing the callback arguments
Adding an "isEmpty()" method to the DataCollection class
Replacing the integer `$matched` variable with
a RouteCollection instance
New `cloneEmpty()` method on the DataCollection class
Now using that for the `$matched` variable, so a developer
can extend and inject their own RouteCollection class and get it
in both places
Fixing PHP 5.3 compatibility. Whoops.
Merge pull request #126 from Rican7/feature/matched-route-collection

Feature - "Matched" as Route Collection