+- Add CHAP support from Jordan Hrycaj (work in progress).
+- Sanity check that cluster_send_session is not called from a child
+ process.
+- Throttle outgoing LASTSEEN packets to at most one per second for a
+ given seq#.
+- Use bounds-checking lookup functions for string constants.
+- Add enum for RADIUS codes.
+- Make "call_" prefix implict in CSTAT() macro.
+- Fix some format string problems.