UPGRADE.md in quandl_cassinatra-0.2.0 vs UPGRADE.md in quandl_cassinatra-0.2.1

@@ -1,17 +1,26 @@
+## 0.2.1
+
+* add Dataset#delete_rows(*dates)
+* add Dataset#delete_data
+* replace Data::Random with Quandl::Fabricate
+
+
 ## 0.2.0
 
 * add support column Dataset#columns, #column_names, #column_units
 
 
 ## 0.1.16
 
 * parse_json responds with more informative error
 
+
 ## 0.1.15
 
 * add status, blank?, saved?, exists?
 * fail gracefully when parse_json receives nil body due to api throwing 500 error
+
 
 ## 0.1.14
 
 * add Dataset#trim_start, Dataset#trim_end
 * add specs to test that api returns expected trim_start, trim_end
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