public function unregister($errorHandler = true, $exceptionHandler = true, $shutdownHandler = true)
	{
		if ($errorHandler)
		{
			$this->unregisterErrorHandler();
		}
		if ($exceptionHandler)
		{
			$this->unregisterExceptionHandler();
		}
		if ($shutdownHandler)
		{
			$this->unregisterShutdownHandler();
		}

		return $this;
	}