CHANGELOG.md in cotcube-helpers-0.1.7 vs CHANGELOG.md in cotcube-helpers-0.1.7.1

@@ -1,4 +1,7 @@
+## 0.1.7.1 (January 17, 2021)
+  - bugfix
+
 ## 0.1.7 (January 17, 2021)
   - added new method 'simple_series_stats'
 
 ## 0.1.6 (January 15, 2021)
   - removing :ranges from Range#select_within