CHANGELOG.md in m2m_keygen-0.2.1 vs CHANGELOG.md in m2m_keygen-0.3.0

- old
+ new

@@ -5,10 +5,22 @@
 The format is based on [Keep a Changelog](https://keepachangelog.com/en/1.0.0/),
 and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0.html).
 
 ## [Unreleased]
 
+## [0.3.0]
+
+### Added
+
+- Signature class for basic functionality for the gem.
+- ParamsEncoder class for formating params
+
+### Changed
+
+- Comprehensive README
+- Added various minimal require
+
 ## [0.2.1]
 
 ### Added
 
 - Good link to documentation
@@ -17,8 +29,9 @@
 
 ### Added
 
 - Basic skeleton for gem
 
-[unreleased]: https://github.com/Billcorporate/m2m_keygen_ruby/compare/v0.2.1...HEAD
+[unreleased]: https://github.com/Billcorporate/m2m_keygen_ruby/compare/v0.3.0...HEAD
+[0.3.0]: https://github.com/Billcorporate/m2m_keygen_ruby/releases/tag/v0.3.0
 [0.2.1]: https://github.com/Billcorporate/m2m_keygen_ruby/releases/tag/v0.2.1
 [0.2.0]: https://github.com/Billcorporate/m2m_keygen_ruby/releases/tag/v0.2.0