Add CHANGELOG

Author: miloyip

CHANGELOG.md

@@ -0,0 +1,17 @@
+# Change Log
+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/).
+
+## [0.1.1] - 2017-4-25
+
+### Changed
+- Fix incorrect CRC in IDAT chunk. Examples PNGs passed pngcheck.
+
+### Added
+- Add change log
+
+## 0.1.0 - 2017-4-23
+
+[0.1.1] https://github.com/miloyip/svpng/compare/v0.1.0...v0.1.1