+03Jan22=======================================================================
+1. Allow overrides (on modern versions of perl) with things in DXVars.pm, such
+ $clusterport. This is really only of use for people trying to run more than
+ one instance of DXSpider on the same machine.
+2. Fix who command to make RBN connections as RBN and not USER.
+3. Prevent other nodes claiming that $myalias or $mycall is a different type
+ (user or node) from changing our route table and thence the user type.