Fix assumption that memcache is available for tests
This needs both the public and private key
Revocation w/passphrases doesn't work in GPG2 due to the way pinentry works
Not sure how this ever worked: mail messages absolutely must have a from address
Yikes. phpunit silently dying because exif isn't available. Another reason why '@' function prefixes are bad
Fix broken tests

Test was not correctly/inconsistently calling constructor.