UPGRADE.md in quandl_format-0.3.0 vs UPGRADE.md in quandl_format-0.4.0

@@ -1,4 +1,10 @@
+## 0.4.0 
+
+* QUGC-123 Use client#valid? since it has been refactored to check everything.
+
+
+
 ## 0.3.0 
 
 * QUGC-104 bump gems to get onboard with new validations and error handling
 * QUGC-104 Working towards a solution where all dataset validation happens in one place.
 
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