CHANGELOG.md in csv2hash-0.6.3 vs CHANGELOG.md in csv2hash-0.6.4

@@ -1,4 +1,9 @@
+### VERSION 0.6.4
+
+* feature
+  * make configuration file can be writing with ERB interpolation.
+
 ### VERSION 0.6.3
 
 * refactoring
   * The Main constructor can be take in first arg a definition itself or simply the path of yaml file definition or just symbol of name of definition (when it have already loaded)