data integrity+closed tickets
allow user creation even if old email was denied
fix renaming errors that leave blank keys
fix rform and tform
handle card parts when creating previously virtual cards
make Trash emptyable
migrate existing card keys for Unicode fix
only increment autoname on card creation
recreate trashed cards when plus card is created
support emptying trash
update references when renaming
validate that names don't begin or end with spaces
validate the presence of a key