public function saveUser($passedUsername = "", $passedPassword = "")
 {
     /*
      *Empty email model to create and commit
      *New comments wont have an id or a timestamp, database handles that
      */
     $userModel = new User_model();
     /*
      *TODO: move all the set methods into the constructor of the model
      *TODO: find more elegant solution than hard coding sets
      *TODO: add error checking to the commit method
      */
     $userModel->setUsername($passedUsername);
     /*
      * Save password as hash so increase security
      */
     $userModel->setPassword(hash("sha256", $passedPassword));
     /*
      * Commit the model to the database and send result back
      */
     return $userModel->commit();
 }