public function getHelp()
	{
		$help='Usage: '.$this->getCommandRunner()->getScriptName().' '.$this->getName();
		$options=$this->getOptionHelp();
		if(empty($options))
			return $help."\n";
		if(count($options)===1)
			return $help.' '.$options[0]."\n";
		$help.=" <action>\nActions:\n";
		foreach($options as $option)
			$help.='    '.$option."\n";
		return $help;
	}