Update ChangeLog file

Author: VolkerEnderlein

ChangeLog.v1.3.1

@@ -1,3 +1,25 @@
+2022-04-09 18:44:01 +0200  Volker Enderlein  <volkerenderlein@hotmail.com> (7a7fd22)
+
+	Bump version number
+
+M	CMakeLists.txt
+M	appveyor.yml
+M	configure
+M	configure.ac
+
+2022-04-09 18:42:12 +0200  Volker Enderlein  <volkerenderlein@hotmail.com> (82274e4)
+
+	Add ChangeLog files
+
+A	ChangeLog.v1.3.0
+A	ChangeLog.v1.3.1
+
+2022-04-09 18:41:41 +0200  Volker Enderlein  <volkerenderlein@hotmail.com> (c2f3c88)
+
+	Update NEWS file
+
+M	NEWS
+
 2022-04-09 18:00:24 +0200  Volker Enderlein  <volkerenderlein@hotmail.com> (b8be50c)
 
 	Correct usage of projects build dir in CMakeLists.txt