Added new changelog

Author: madzak

CHANGELOG.md

@@ -0,0 +1,19 @@
+# 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]
+### Added
+- New Changelog
+### Removed
+- Support for Python 2.7
+- Debian directory
+
+## [v.0.1.11] - 2019-03-29
+### Added
+- Support for Python 3.7
+### Changed
+- 'stack_info' flag in logging calls is now respected in JsonFormatter by [@ghShu](https://github.com/ghShu)
+### Removed