Change for CI 3.0

This simple change let's using this library into Codeigniter 3.0
CI 3.0-dev compatibility update for Router.php

CI 3.0...
requires controller named to begin with uppercase;
requires URI segments to start at 1 not 0;
Detect default_controller in Module

Allows the default_controller named in config/routes.php to be located
within a module of the same name (eg.
modules/welcome/controllers/Welcome.php)
Merge pull request #12 from hArpanet/master

Updates for CI 3