CHANGES.md in twilio-ruby-3.16.1 vs CHANGES.md in twilio-ruby-4.0.0

@@ -1,7 +1,17 @@
 twilio-ruby changelog
 =====================
 
+Version 4.0.0
+-------------
+
+Released April 16, 2015
+
+- Remove support for total
+- Use configuration object instead of defaults hash for REST clients
+- Moves statistics from task router client to individual classes
+  - Deprecates statistics methods on task router client
+
 Version 3.16.1
 --------------
 
 Released March 31, 2015