UPGRADE.md in quandl_data-1.3.8 vs UPGRADE.md in quandl_data-1.3.9

@@ -1,4 +1,9 @@
+## 1.3.9
+
+* add malformed_csv spec and error catching
+
+
 ## 1.3.8
 
 * Data#headers should be passed around between Data#new
 
 
\ No newline at end of file