Finally fixing some names that I couldn't stand
(or understand) before. Its much easier with all of this test code-coverage!
Now passing the full, invokable route to the handler
Now type-hinting and strengthing the
`handleRouteCallback()` method by passing the full Route
Finally, removing the `getCallback()` call from
each iteration of the dispatch loop for faster execution
Merge pull request #143 from Rican7/feature/route-callback-handling

Feature - Route callback handling