CHANGELOG.md in csv_rb-5.2.2 vs CHANGELOG.md in csv_rb-5.2.3

@@ -1,5 +1,9 @@
 # Change log
 
-**June 6, 2019**: 0.0.1 release
+**June 6, 2019**: 5.2.1 release
 
 - Initial posting.
+
+**June 7, 2019**: 5.2.2 release
+
+- Add csv.set method