CHANGELOG.md in whatsup_github-0.4.0 vs CHANGELOG.md in whatsup_github-0.4.1

@@ -1,6 +1,10 @@
 # Changelog
 
+## 0.4.1
+
+- Added authentication via an environment variable `WHATSUP_GITHUB_ACCESS_TOKEN`
+
 ## 0.4.0
 
 ### General
 
 - Loading more data about pull requests via API