ErkanaAuth: A non-invasive user authentication library

[eluser]noonereally[/eluser]
Hello,

I'm trying erkana auth library and now i'm stuck with this error:

Code:

Fatal error: Call to a member function get_user() on a non-object in C:\wamp\www\fauna\system\application\libraries\MY_Controller.php on line 17

it happens when I'm subclassing Public_Controller like this

Code:

<?php
class Home extends Public_Controller {

  function __construct() {
    parent::Public_Controller();
  }

  function index() {
    $this->load->view('home');
    return;
  }
}
?>

maybe someone could explain to me how to fix this ?

Thank you.