CHANGELOG.md in whatsup_github-0.1.1 vs CHANGELOG.md in whatsup_github-0.2.0

@@ -1,3 +1,7 @@
+## 0.2.0
+
+- Implemented two types of labels in configuration: 'optional' and 'required'.
+
 ## 0.0.1
 
 The tool is released as a gem.