Update Change Log

Author: mmistakes

CHANGELOG.md

@@ -5,15 +5,4 @@ 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] - YYYY-MM-DD
-### Added
-- for new features
-
-### Changed
-- for changes in existing functionality
-
-### Deprecated
-- for once-stable features removed in upcoming releases
-
-### Fixed
-- for any bug fixes
+## [1.0.0] - 2017-03-20