UPGRADE.md in quandl_format-0.2.7 vs UPGRADE.md in quandl_format-0.2.8

@@ -1,4 +1,10 @@
+## 0.2.8
+
+* QUGC-57 validation at an inappropriate time; move validations to Quandl::Client
+* more accurate error messages and line numbers
+
+
 ## 0.2.7
 
 * parsing junk string should fail gracefully
 
 
\ No newline at end of file