Merge pull request #204 from yizshi/master

duo_client_python 4.7.0 version bump

Author: mbish

duo_client/client.py

@@ -5,7 +5,7 @@
 from __future__ import print_function
 import six
 
-__version__ = '4.6.1'
+__version__ = '4.7.0'
 
 import base64
 import collections