Update CHANGES for 1.8.4.
+9 November 2018: babeld-1.8.4
+
+ * Fixed a bug that discarded pipelined commands received on the local
+ configuration interface.
+ * Added the per-interface option rfc6126-compatible.
+
24 September 2018: babeld-1.8.3
* Fixed a read-only two byte buffer overflow in the packet parser.
