Merge pull request #133 from Senzing/antaenc-patch-1

Update CHANGELOG.md

Author: antaenc

CHANGELOG.md

@@ -6,6 +6,12 @@ The format is based on [Keep a Changelog](https://keepachangelog.com/en/1.0.0/),
 [markdownlint](https://dlaa.me/markdownlint/),
 and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0.html).
 
+## [3.1.1] - 2022-08-22
+
+### Added to 3.1.1
+
+- Additional error code mapping in G2Excpetion 
+
 ## [3.1.0] - 2022-06-07
 
 ### Added to 3.1.0