public function get($parameter)
    {
        $intermediateConfig = null;

        $path = explode('.', $parameter);
        foreach ($path as $section) {
            if (null === $intermediateConfig) {
                $intermediateConfig = $this->config[$section];
                continue;
            }

            $intermediateConfig = $intermediateConfig[$section];
        }

        return $intermediateConfig;
    }