0.9.1 UNRELEASED
 - DKIM signing and verification using both RSA and Ed25519
 - The following configuration options are supported (same definition as
   OpenDKIM): Domain, KeyFile, KeyFileEd25519, Mode, PidFile, Selector,
   Socket, Syslog, UMask, and UserID (see dkimpy-milter.conf.5)
 - This is an Alpha grade release and while the implemented features work, it
   is nowhere near being a complete package