added changelog

Sergey Kanzhelev · Sergey Kanzhelev · commit 280d7164a6cf · 2018-04-26T09:22:27.000-07:00
diff --git a/CHANGELOG.md b/CHANGELOG.md
@@ -0,0 +1,9 @@
+# Changelog
+
+This file needs to be updated with every significant pull request. It is used to write down release notes.
+
+## Version 0.5.5
+
+## Version 0.5.4
+
+Changelog started after this release. 
