removeFollowing rather than removeFriend
UUIDs, not IDs
Improved storage of following list, including cache so we don't need multiple db calls
Introducing isLocalUUID to distinguish between local and foreign UUIDs
Introducing Idno\Common\Entity::getRemote($uuid)
Better explanation of what must follow
Gosh, brackets are important, aren't they?
RemoteUser and RemoteObject stubs, for use with remotely-stored entities