Works with Fanficfare 2.3.6+. Rewrite underway to take advantage of new features in Fanficfare 2.4.0
For basic cron usage, this is not needed, `fanficfare -dowload-imap -u` should work if you're not integrating into calibre. This script is best used if you want to update the calibre library, for the usage of calibre-server for instance.