Update version and CHANGELOG

Author: Stephen Powis

CHANGELOG.md

@@ -2,6 +2,11 @@
 The format is based on [Keep a Changelog](http://keepachangelog.com/)
 and this project adheres to [Semantic Versioning](http://semver.org/).
 
+## 1.3.0 (UNRELEASED)
+
+### New Features
+- Added ability to configure sending a client certificate in order to authenicate Kafka-Connect REST endpoints.
+
 ## 1.2.0 (02/02/2019)
 
 ### New Features

pom.xml

@@ -6,7 +6,7 @@
 
     <groupId>org.sourcelab</groupId>
     <artifactId>kafka-connect-client</artifactId>
-    <version>1.2.0</version>
+    <version>1.3.0</version>
     <packaging>jar</packaging>
 
     <!-- Require Maven 3.3.9 -->