Update CHANGELOG.MD (#19)

Author: AlexGalichenko

CHANGELOG.MD

@@ -4,11 +4,9 @@ All notable changes to the "@qavajs/steps-memory" will be documented in this fil
 
 Check [Keep a Changelog](http://keepachangelog.com/) for recommendations on how to structure this file.
 
-## [0.13.0]
-- added an error if implementation of sorting function was not found in memory
-
 ## [0.12.0]
 - added validation step with parameter in form of data table array
+- added an error if implementation of sorting function was not found in memory
 
 ## [0.0.11]
 - added match schema validation