Add new message types for A1

A small vetting script was also added to help verify that
message types and constant names are not duplicated in the
header file.

Signed-off-by: E. Scott Daniels <daniels@research.att.com>
Change-Id: Ia7577842d94afd413665e84f248f860afa199045
diff --git a/CHANGES b/CHANGES
index 3263a4c..87fbddc 100644
--- a/CHANGES
+++ b/CHANGES
@@ -6,10 +6,18 @@
 	Fix bug in payload reallocation function; correct length of payload
 	was not always copied.
 
+2019 November 13; version 1.12.1
+	New message type constants added to support A1.
+
 2019 November 4; version 1.11.0
 	Version bump to move away from the 1.10.* to distinguish between
 	release A and the trial.
 
+2019 November 7; version 1.12.0
+	Version cut to support continued development for next release
+	preserving the 1.11.* versions for release 1 (Amber) and 
+	related fixes.
+
 2019 October 31; version 1.10.2
 	Provide the means to increase the payload size of a received message
 	without losing the data needed to use the rmr_rts_msg() funciton.