Release v0.2.1

Author: dcherian

doc/whats-new.rst

@@ -1,7 +1,7 @@
 What's New
 ----------
-v0.2.1
-======
+v0.2.1 (Aug 06, 2020)
+=====================
 - Support for the ``bounds`` attribute. (:pr:`68`, :issue:`32`). `Deepak Cherian`_.
 - Add ``.cf.guess_coord_axis`` to automagically guess axis and coord names, and add
   appropriate attributes. (:pr:`67`, :issue:`46`). `Deepak Cherian`_.