+Version 2.8.0 (2017-10-??)
+
+ Python 3.
+
+ Monkey-patch email.message._formatparam under Python 3:
+ replace it with _formatparam from Python 2.7
+ to avoid re-encoding non-ascii params.
+
+ Fix: do not decode bytes to unicode under Python 2.7.
+
+ Stop supporting Python 2.6.
+
+ Code cleanup: fixed flake8 errors and warnings.
+