/**
  * Get Power Statistics
  *
  *
  **/
 public function get_stats()
 {
     $out = array();
     if (!$this->authorized()) {
         $out['error'] = 'Not authorized';
     } else {
         $pm = new Power_model();
         $out[] = $pm->get_stats();
     }
     $obj = new View();
     $obj->view('json', array('msg' => $out));
 }