UPGRADE.md in quandl_data-1.3.0 vs UPGRADE.md in quandl_data-1.3.1

@@ -1,4 +1,11 @@
+## 1.3.1
+
+* add .with_type to Data
+* revise errors to Error for consistency
+* refactor babelfish out of data, remove babelfisher
+
+
 ## 1.3.0
 
 * string_to_csv will not force values to float
 * add #row to Operations
 * add cleaned? cleaned! for tracking whether or not a Quandl::Data instance has already been cleaned
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