CHANGELOG.md in csv_decision-0.2.0 vs CHANGELOG.md in csv_decision-0.3.0

@@ -1,5 +1,9 @@
-## v0.2.0, January 2018.
+## v0.3.0, 20 January 2018.
+*Additions*
+- Index one or more text-only input columns for faster lookup performance.
+
+## v0.2.0, 13 January 2018.
 *Additions*
 - Set values in the input hash either as a default or unconditionally.
 
 ## v0.1.0, 5 January 2018.
 *Additions*