Updated requests version in setup.py to 2.2.1.

Author: mboersma

client/setup.py

@@ -58,7 +58,7 @@
       long_description=LONG_DESCRIPTION,
       install_requires=[
           'docopt==0.6.1', 'python-dateutil==2.2',
-          'PyYAML==3.10', 'requests==2.2.0'
+          'PyYAML==3.10', 'requests==2.2.1'
       ],
       zip_safe=True,
       **KWARGS)