--directory: Write one file at a time
--directory: Write one file at a time

to address https://github.com/lehrblogger/OkCupid-Message-Downloader/issues/39#issuecomment-160530886

ckuethe/OkCupid-Message-Downloader,lehrblogger/OkCupid-Message-Downloader,ckuethe/OkCupid-Message-Downloader,lehrblogger/OkCupid-Message-Downloader