update whatsnew

Author: wholmgren

docs/sphinx/source/whatsnew/v0.3.3.txt

@@ -35,8 +35,17 @@ Bug fixes
 * Fix snlinverter and singlediode documentation. They incorrectly said that
   inverter/module must be a DataFrame, when in reality they can be any
   dict-like object. (:issue:`157`)
+<<<<<<< 60b93fde081351c46ade444b17630ffe2a711fd0
 * Fix numpy 1.11 deprecation warnings caused by some functions using
   non-integer indices.
+=======
+* Propagate airmass data through ModelChain's get_irradiance call so that
+  the perez model can use it, if necessary. (:issue:`172`)
+* Fix problem in which the perez function dropped nighttime values.
+  Nighttime values are now set to 0.
+  (:issue:`191`)
+
+>>>>>>> update whatsnew
 
 Documentation
 ~~~~~~~~~~~~~