authors of all the commented texts are a member in at least one of the
recipients only worked if there was at most one author.  Fix.

Defaultfil att arkivera inlägg på går att sätta per LysKOM
Fixade detaljer och felmeddelanden kring nya anrop till lyskom-read-text-no-prefix-arg

Better handling of no default text number.

Make it possible to configure which commands always prompt for a text

Bind lyskom-executing-command in evaluated interactive forms used as
arguments to def-kom-command and friends

Fixed errors added to lyskom-default-collate-table by MULE Emacs

of regular Emacs functions.

Fix who-list formatting on wide windows
Fix some compiler warnings
Tweak login/logoff display

Copied thing-at-point-looking-at from thingatpt.el so we don't rely
on internal functions in other packages.