08Feb99========================================================================
1. added a $SIG{ALRM} in the client to actually catch the alarm when it goes
-off which means that the netrom/ax25 call programs terminate properly!
+off which means that the netrom/ax25 call programs terminate properly (and not
+loop as fast as their little legs can paddle, soaking up CPU time).
+2. Implemented read receipts as an especial request from G4PDQ.
+3. Fiddled with DXUser a bit to see whether I can stop it core dumping on new
+users in PC16s on his machine.
30Jan99========================================================================
1. Some of the dates we get can cause crashes, tried to make it more robust (oh
and Y2K compliant)