/**
  * The addRole method adds a user role
  * to the database.
  *
  * @return  boolen [True if the role is added, false otherwise.]
  */
 public function addRole()
 {
     $role = ['name' => $role_name = Input::get('role_name'), 'description' => $role_description = Input::get('role_description'), 'slug' => $role_slug = lcfirst(Input::get('role_name'))];
     if (Role::create($role)) {
         return $this->returnMessage(1, 'The role was added.', $this->updateRolesTable());
     } else {
         return $this->returnMessage(0, 'Something happened and the role did not get added.');
     }
 }