public function get($name = null)
  {
    if(count($this->connectors) > 0)
    {    
      if(!is_null($name))
      {
        if(!isset($this->connectors[$name]))
          throw new \Exception("unknown Connector: $name");
        
        return $this->connectors[$name];
      }
      
      return current($this->connectors);
    }
    throw new \Exception('No Connectors found');
  }