public function removeAppender($appender) {
		if($appender instanceof LoggerAppender) {
			$appender->close();
			unset($this->appenders[$appender->getName()]);
		} else if (is_string($appender) and isset($this->appenders[$appender])) {
			$this->appenders[$appender]->close();
			unset($this->appenders[$appender]);
		}
	}