Improving setup.py, version info, readme.

Author: josiah-wolf-oberholtzer

README.md

@@ -0,0 +1,23 @@
+python-cas-client
+=================
+
+A python CAS client
+
+Installation
+------------
+
+Supports Python 2.7 and 3.4.
+
+::
+
+    $ git clone git@github.com:discogs/python-cas-client.git
+    $ cd python-cas-client
+    python-cas-client$ pip install .
+    ...
+
+Testing
+-------
+
+::
+
+    python-cas-client$ tox

README.rst

@@ -1,8 +1,9 @@
 # -*- encoding: utf-8 -*-
 import six
 
-
 if six.PY3:
     from .cas_client import *
+    from ._version import __version__, __version_info__
 else:
     from cas_client import *
+    from _version import __version__, __version_info__

cas_client/__init__.py

@@ -0,0 +1,2 @@
+__version_info__ = (0, 1, 0)
+__version__ = '.'.join(str(_) for _ in __version_info__)

cas_client/_version.py

@@ -2,18 +2,50 @@
 import setuptools
 
 
-install_requires = [
-    'PyCrypto',
-    'requests',
-    'six',
-    'tox',
-    ]
+with open('README.rst', 'r') as file_pointer:
+    long_description = file_pointer.read()
 
+with open('cas_client/_version.py', 'r') as file_pointer:
+    exec(file_pointer.read())
 
-if __name__ == '__main__':
-    setuptools.setup(
-        include_package_data=True,
-        install_requires=install_requires,
-        name='cas_client',
-        packages=['cas_client'],
-        )
+
+setuptools.setup(
+    author='Josiah Wolf Oberholtzer',
+    author_email='joberholtzer@discogsinc.com',
+    classifiers=[
+        'Development Status :: 4 - Beta',
+        'Environment :: Web Environment',
+        'Intended Audience :: Developers',
+        'License :: OSI Approved :: MIT License',
+        'Operating System :: OS Independent',
+        'Programming Language :: Python :: 2',
+        'Programming Language :: Python :: 3',
+        'Topic :: Software Development :: Libraries :: Python Modules',
+        'Topic :: System :: Systems Administration :: Authentication/Directory',
+        ],
+    description='A Python CAS client',
+    include_package_data=True,
+    install_requires=[
+        'PyCrypto',
+        'requests',
+        'six',
+        'tox',
+        ],
+    keywords=[
+        'auth',
+        'authentication',
+        'cas',
+        'cas2',
+        'cas3',
+        'client',
+        'single sign-on',
+        'sso',
+        ],
+    license='MIT',
+    long_description=long_description,
+    name='cas_client',
+    packages=['cas_client'],
+    platforms='any',
+    url='https://github.com/discogs/python-cas-client',
+    version=__version__,
+    )