Added changelog

Author: chriswalpen

Abstract.FileSystem.sln

@@ -15,6 +15,7 @@ Project("{2150E333-8FDC-42A3-9474-1A3956D46DE8}") = "Solution Items", "Solution
 	ProjectSection(SolutionItems) = preProject
 		src\Abstract.FileSystem.snk = src\Abstract.FileSystem.snk
 		appveyor.yml = appveyor.yml
+		CHANGELOG.md = CHANGELOG.md
 		LICENSE = LICENSE
 		README.md = README.md
 		testenvironments.json = testenvironments.json

CHANGELOG.md

@@ -0,0 +1,15 @@
+# Abstract.FileSystem
+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/).
+
+## v1.0.1
+### Fixed
+- Fixed XML Documentation
+
+## v1.0.0
+### Added
+- Abstraction for System.IO.File
+- Abstraction for System.IO.Directory
+- Abstraction for System.IO.Path