(new) Treat the registry as a subscriber list for the GLOBAL list.
This allows the Deliver module to distribute messages to addresses
in the registry.

(announce) New command.  Distribute a file to one
or more classes of subscribers.  Each message is
sent as a probe, with the recipient in the To: header.
This could be used for periodic reminders, or
announcements that need to reach 'digest' and 'nomail'
subscribers immediately.

(archive_chunk) Allow the type of digest for the
archive-get command to be specified in the mode ("-mime"
for mime; text otherwise.)

(report) New, iterated command.  Obtain raw or summarized
data for recent log entries for a mailing list.
The data can be constrained by action or by date.
Add MSGRCPT to the list of admin_header checks.
Support the new announce and report commands.
(deliver) Support delivery to addresses in the registry.
Addresses subscribed to at least one list are in the "each" class.
Addresses not subscribed to any lists are in the "nomail" class.
(_digest_classes) New routine.  Return a list of all possible digest classes.
(probe) New routine.  Probe all addresses in the classes provided.
This is used by the announce command.
(parse_entity) Test for existence of a bodyhandle before using it.
(Thanks to Paul Hancock.)
(make_envelope)  Add 'personal' variable, which is set if there
is only one recipient.
(new, address, send) If a message is personal, substitute the recipient's
address for $MSGRCPT throughout the message during delivery.
(shuffle) Fix off-by-one error.
(who) Indicate when no addresses were found.
Use the existing DEFAULT configuration data when loading
every list with Majordomo::get_all_lists.  This prevents
the data from being loaded by every list.  It is not
possible to do this with the domain defaults, because some
values are list-specific.
(parse_args) Do not initialize hereargs array with an empty value.
(valid_list) Untaint the list name before calling _make_list.
(parse_args) Always initialize herearg array.
(parse_args) Test for true value.
Add set-aux to the command menu.
Adapt the who command formatter to allow auxiliary list subscribers
to be removed.
(report) Reverse user and victim.
Delete the 'action' variable before running the showtokens command.
(make_setting) Save settings for untimed vacations, to allow
"nomail-return" to work in either case.