Feature request: Digest mode - enabled and working

From: Michael Harrison 
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Andrew asked for digest mode. If you want it, send an email with just the
word: digest   in the subject line.  It's only daily. I'll run it manually
for a few days, any votes on what time would be best?

172 lines of PHP later... a basic email digester and emailer.

https://github.com/mikegeeklabs/melee/blob/master/digest.php