CHANGELOG.md in string_splitter-0.3.1 vs CHANGELOG.md in string_splitter-0.4.0

@@ -1,4 +1,8 @@
+## 0.4.0 - 2018-06-24
+
+- **breaking change**: remove the `offset` alias for `split.index`
+
 ## 0.3.1 - 2018-06-24
 
 - remove trailing empty field when the separator is empty (#1)
 
 ## 0.3.0 - 2018-06-23