1.0pre1-1.0pre2: Minor bug fixes
 - Fixed problems with changing workgroup.
 - Aded configurable initial search host.

0.93-1.0pre1: Major bug fixes
 - Message-receiver script now installs properly.
 - Some minor improvements.

0.92-0.93: Major bug fixes
 - Changed received message mechanism to use file modification times instead 
of signals so executable no longer needs to be suid.
 - Allowed for system that don't have a /etc/HOSTNAME or one that has dodgy 
contents.
 - A few minor improvements.
 - (Most of all) included the popper-send.sh script so it will now receive 
messages!
