Adding Changelog

CHANGELOG.md

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+# Changelog
+All notable changes to this project will be documented in this file. Versions follow [Semantic Versioning](http://semver.org/).
+
+## [Development]
+### Added
+- Nothing yet, submit Pull Requests!
+
+## [0.1.0] - 2017-06-11 - Initial Beta "[Daemen](https://en.wikipedia.org/wiki/Joan_Daemen)"
+### Added
+- Initial Silex structure, controllers, and Doctrine DB interfaces
+- Starting point for phpUnit testing
+- Bootstrap and jQuery frontend
+- Client-side encryption/decryption, password strength, syntax highlighting
+- Cron job script for cleanup
+- Basic instalation procedure
+
+## Footnotes
+This changelog format is based on [Keep a Changelog](http://keepachangelog.com/).