public function start($environment = null, $configLocation = null)
	{
		$config = $this->loadConfig($environment, $configLocation);
		$this->loadErrorHandler($config, $environment);
		$instantiator = $this->loadContainer($config, $environment);

		$middleware = $instantiator(Middleware\Middleware::class);
		$response = $middleware->execute();

		$middleware->emit($response);
	}