Release v0.2.1

Author: Maks3w

CHANGELOG.md

@@ -4,7 +4,7 @@ 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]
+## [0.2.1] - 2016-11-23
 ### Added
 
 ### Changed
@@ -41,6 +41,6 @@ and this project adheres to [Semantic Versioning](http://semver.org/).
 - API Client
 - Business models
 
-[Unreleased]: https://github.com/aplazame/php-sdk/compare/v0.2.0...HEAD
+[0.2.1]: https://github.com/aplazame/php-sdk/compare/v0.2.0...v0.2.1
 [0.2.0]: https://github.com/aplazame/php-sdk/compare/v0.1.0...v0.2.0
 [0.1.0]: https://github.com/aplazame/php-sdk/commit/cd32febb1dfb0afd3a4916204a2efd07a60a4b5f