final public function log($msg, $ticket = null, $lvl = QUICKBOOKS_LOG_NORMAL)
	{
		/*
		$hookdata = array(
			'message' => $msg, 
			'level' => $lvl, 
			);
		$err = '';
		$this->_callHook(QUICKBOOKS_DRIVER_HOOK_LOG, $ticket, $err, $hookdata);
		*/
		
		if (is_null($lvl) or $this->_loglevel >= $lvl)
		{
			return $this->_log($msg, $ticket, $lvl);
		}
		
		return true;
	}