Update the changelog file

Author: leganz

CHANGELOG.md

@@ -5,4 +5,32 @@ 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]
+## [0.1.0-alpha5] - 2020-07-11
+#### Changed
+- Changed structure to be compliant with testing behavior.
 
+## [0.1.0-alpha4] - 2020-07-07
+#### Changed
+- Refactoring the naming of the classes due name conflicts
+- Updated the documentation
+
+#### Added
+- Add support for some new assets function
+
+## [0.1.0-alpha3] - 2020-07-05
+#### Added
+- Support for issuing Assets
+
+#### Fixed
+- Calculating the fee triggerd multiple requests on the blockchain
+
+## [0.1.0-alpha2] - 2020-06-30
+#### Added
+- Contract Runner added
+- Some bugfixes
+
+## [0.1.0-alpha1] - 2020-06-30
+#### Added
+- Basic implementation
+- Basic documentation provided
+- Some basic functions like fee calculations implemented