private function loadIncludes()
    {
        // Add file names without the `php` extension to this list as needed.
        $filesToLoad = array(
            'composers',
            'filters',
            'routes',
        );

        // Run through $filesToLoad array.
        foreach ($filesToLoad as $file) {
            // Add needed database structure and file extension.
            $file = __DIR__ . '/../../' . $file . '.php';
            // If file exists, include.
            if (is_file($file)) include $file;
        }
    }