Added CHANGELOG.md

Author: colega

CHANGELOG.md

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+# Changelog
+All notable changes to this project will be documented in this file.
+
+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]
+
+## [0.1.1] - 2019-05-08
+### Fixed
+- Not failing when embedded labels are wrong [#13](https://github.com/cabify/gotoprom/pull/13) 
+
+## [0.1.0] - 2019-05-07
+### Added
+- All the code for the initial open source release