Fix url and add semver link to CHANGELOG

Author: razor-x

CHANGELOG.md

@@ -1,10 +1,10 @@
 # Change Log
 
 All notable changes to this project will be documented in this file.
-This change log follows the conventions of [keepachangelog.com].
-
-[keepachangelog.com]: http://keepachangelog.com/
+This project adheres to [Semantic Versioning](http://semver.org/).
+This change log follows the conventions of
+[keep a CHANGELOG](http://keepachangelog.com/).
 
 ## [Unreleased][Unreleased]
 
-[Unreleased]: https://github.com/makenew/coffeescript-package/compare/0.0.0...HEAD
+[Unreleased]: https://github.com/makenew/coffeescript-package/compare/v0.0.0...HEAD