CHANGELOG.md in h3-3.7.1 vs CHANGELOG.md in h3-3.7.2

@@ -4,9 +4,13 @@
 
 This project adheres to [Semantic Versioning](http://semver.org/).
 
 We track the MAJOR and MINOR version levels of Uber's H3 project (https://github.com/uber/h3) but maintain independent patch levels so we can make small fixes and non breaking changes.
 
+## [3.7.2] - 2020-07-17
+### Fixed
+- kRing of invalid indexes should not crash.
+
 ## [3.7.1] - 2020-10-7
 ### Added
 - Area and haversine distance functions:
     - `cellAreaRads2`
     - `cellAreaKm2`