Python-cas

* Refine docstring to google style for better documentation
* PR 39: Fix SAML ticket verification failing when response is not namespaced mbenadda
* PR 44: Use Session for making requests & allow customization intgr

* PR-17: Test and document support for all modern Python versions
* PR-18: Distribute package as an universal Python Wheel
* PR-20: README: Link to python.org using HTTPS
* PR-21: Minor refactor: Prefer dict literals {} over dict()
* PR-22: Enable native pip cache in Travis CI
* PR-23: Fix setup.py: Declare cas.py as a module, not a package
* PR-24: setup.py: Pass python_requires argument to setuptools
* PR-25: Remove unnecessary distutils fallback from setup.py
* PR-26: Fix links in README.rst
* PR-27: Simplify tox configuration
* PR-28: Include tests in the source distribution
* PR-29: Remove pytest-pythonpath dependency
* PR-30: Use skip_install=true for lint or static tox targets
* PR-32: Use tox's builtin support for the TOXENV environment variable
* PR-31: Introduce isort for automatic import ordering
* PR-33: Simplify dependency handling in tox.ini
* PR-35: Fix SSL certificate validation due to client field for get_proxy_ticket
* PR-36: Add support for <norEduPerson> element under <cas:authenticationSuccess>
* Fix 34: Exclude setup from installed package

* Add kwarg `verify_ssl_certificate` to bypass SSL certificate validation

* Improve CASv2 XML parsing when response is not standard
* Update URL suffix for CAS v3 serviceValidate
* Add method verify_logout_request
* Add lxml to setup.py

* Replace urllib2 calls with requests to avoid SNI issues
* In SAMLV1.1, the user username is withing NameIdentifier tags

.. _commit history: https://github.com/python-cas/python-cas/commits
.. _django-cas-ng: https://github.com/mingchen/django-cas-ng

* port changes form django-cas-ng.
* copied test from django-cas-ng.
* more syncing of cas code with that in django-cas-ng
* add SAML single logout to CAS v3
* synced the protocol part with django-cas-ng in hope to use this library in django-cas-ng
* allowed to customize name of logout redirect url parameter
* base cas client with SAML on CASClientV2