dovecot-uidlist can now be updated by appending to it. It's recreated only if there have been enough expunged messages.
dovecot-uidlist can now be updated by appending to it. It's recreated only
if there have been enough expunged messages.

--HG--
branch : HEAD

jkerihuel/dovecot,jwm/dovecot-notmuch,jwm/dovecot-notmuch,jwm/dovecot-notmuch,jkerihuel/dovecot,jwm/dovecot-notmuch,jkerihuel/dovecot,jkerihuel/dovecot,jwm/dovecot-notmuch,jkerihuel/dovecot