The SimpleServer test-script now uses a Unix-domain socket, with a

The SimpleServer test-script now uses a Unix-domain socket, with a
filename generated from the process-ID, rather than the default
Inet-document socket on port 9999.  Hopefully this should resolve the
race-condition problems that have been affecting the "make test" part
of the build cycle when building packages for four systems
simultaneously under id-pbuild.sh