protected function handleDefaultExcludeFile()
    {
        $defaultExcludeFile = $this->options->basePath . DIRECTORY_SEPARATOR . self::DEFAULT_EXCLUDE_FILE;
        if ( !file_exists( $defaultExcludeFile ) )
        {
            return $this->options->excludeDirs;
        }

        $defaultExcludeArray = explode( "\n", trim( file_get_contents( $defaultExcludeFile ) ) );
        return array_merge( $defaultExcludeArray, $this->options->excludeDirs );
    }