+17Jul07=======================================================================
+1. remove dupefile on startup and on ending the node. Add clear/dupefile
+command to allow people to do it at runtime as well.
+12Jul07=======================================================================
+1. Change disconnection code so that nodes that are no longer routable are
+(all) cleared out.
+2. Add help for sh/band and also allow query of individual band or regions.
11Jul07=======================================================================
1. improve speed of sh/c/n
+2. remove all $Id$ strings from cmd tree
09Jul07=======================================================================
1. remove check for PC93 from legacy nodes. This will allow PC10s to be
propagated correctly. Probably.