Merge pull request #59 from Nexmo/dependabot/pip/requests-2.20.0

Bump requests from 2.10.0 to 2.20.0

Author: superdiana

requirements.txt

@@ -11,7 +11,7 @@ ordereddict==1.1
 pycrypto==2.6.1
 python-jose==1.2.0
 PyYAML==3.12
-requests==2.10.0
+requests==2.20.0
 shellescape==3.4.1
 six==1.10.0
 Werkzeug==0.15.3