CHANGELOG.md in backlog_kit-0.17.0 vs CHANGELOG.md in backlog_kit-0.18.0

@@ -1,6 +1,12 @@
 # Change Log
 
+## 0.18.0 (2018-12-12)
+
+### Features
+
+* Add `delete_comment`
+
 ## 0.17.0 (2018-06-24)
 
 ### Features
 
 * Change default `top_level_domain` from `jp` to `com`