Merge pull request #29 from dipcode-software/release/v2.1.3

Added new release (minor fix)

Author: lmss

CHANGELOG.md

@@ -4,6 +4,10 @@ All notable changes to this project will be documented in this file.
 The format is based on [Keep a Changelog](http://keepachangelog.com/)
 and this project adheres to [Semantic Versioning](http://semver.org/).
 
+## [2.1.3] - 2019-01-18
+### Fixed
+ - Validate choice field if is not empty and if is not a valid choice
+
 ## [2.1.2] - 2018-04-21
 ### Fixed
  - Validation of dates