+- Correct addition of single IP to pool (Jonathan Yarden).
+- Ensure session changes from LCP ConfigReq/ConfigNak are sent to cluster.
+- Verify that RADIUS packets come from a configured server (Jonathan Yarden).
+- Avoid endless loop in processipcp, processipv6cp.
+- Additional length checks in processlcp.
+- Allow peer to request a new magic-number, or to disable magic-numbers.