Update CHANGELOG with v0.3.1

Author: remarkablemark

CHANGELOG.md

@@ -3,6 +3,10 @@ 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).
 
+## [0.3.1](https://github.com/remarkablemark/html-react-parser/compare/v0.3.0...v0.3.1) - 2017-01-10
+### Changed
+- Updated README by fixing CDN installation instructions and adding JSFiddle
+
 ## [0.3.0](https://github.com/remarkablemark/html-react-parser/compare/v0.2.0...v0.3.0) - 2016-11-18
 ### Changed
 - Upgrade `react` and `react-dom` to >15.4