docs(python sdk): Updating the setup.py with new packages

Author: ehdsouza

setup.py

@@ -64,7 +64,7 @@ def run_tests(self):
       version=__version__,
       description='Client library to use the IBM Watson Services',
       license='Apache 2.0',
-      install_requires=['requests>=2.0, <3.0', 'python_dateutil>=2.5.3'],
+      install_requires=['requests>=2.0, <3.0', 'python_dateutil>=2.5.3', 'autobahn>=0.10.9', 'Twisted>=13.2.0', 'pyOpenSSL>=16.2.0', 'service-identity>=17.0.0'],
       tests_require=['responses', 'pytest', 'python_dotenv', 'pytest-rerunfailures', 'tox'],
       cmdclass={'test': PyTest},
       author='Jeffrey Stylos',