Cmake, change files missing from previous commit

The cmake and changes files were accidentally omitted from the
previous commit.

Signed-off-by: E. Scott Daniels <daniels@research.att.com>
Change-Id: Ib6cbe254816305d83acf65207a1682ac6668afab
diff --git a/CHANGES b/CHANGES
index d40e1fc..fd918df 100644
--- a/CHANGES
+++ b/CHANGES
@@ -2,6 +2,9 @@
 API and build change  and fix summaries. Doc correctsions
 and/or changes are not mentioned here; see the commit messages.
 
+2020 February 6; version 3.1.2
+	Fix disconnection detection bug in interface to SI95.
+
 2020 January 31; verison 3.1.1
 	Allow route table thread logging to be completely disabled
 	when logging is turned off.