add change log and update readme for the latest verision

Author: stevehu

CHANGELOG.md

@@ -0,0 +1,22 @@
+# Change Log
+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/).
+
+## [Unreleased]
+### Added
+
+### Changed
+
+
+## 0.1.2 - 2016-10-20
+### Added
+
+### Changed
+- Broken escaping in pattern for uris [#1](https://github.com/networknt/json-schema-validator/issues/1)
+
+
+## 0.1.1 - 2016-08-16
+### Added
+- First version

README.md

@@ -35,7 +35,7 @@ Add the following to your `pom.xml`:
 <dependency>
     <groupId>com.networknt</groupId>
     <artifactId>json-schema-validator</artifactId>
-    <version>0.1.0</version>
+    <version>0.1.2</version>
 </dependency>
 ```