+3. reduced privilege of catchup and uncatchup to 5. This so that, suitably
+privileged, nodes that occasionally link can rcmd a "catchup <nodecall> all"
+to the node they are connecting to and thus prevent a large tranche of,
+potentially duplicate, mail. This isn't an issue for DXSpider, but may be
+an issue for any AK1A clusters you are connected to.