2 - make sure a user can't double confirm to bypass moderator approval
3 - get rid of hold_subscription
4 - subsume handle_subscription
5 - workflow for unsubscription
6 - make sure registration checks IEmailValidator
7 - Test all the various options in eml_membership's get_subscriber()
8 - Bump version to 3.0.0
9 - Admin notification on membership changes?
10 + admin_notify_mchanges