Fixes pip install not including submodules

setup.py

@@ -36,21 +36,22 @@
     author="Christopher Bailey",
     author_email='cbailey@mort.is',
     url='https://github.com/AngellusMortis/django_microsoft_auth',
-    packages=find_packages(include=['microsoft_auth']),
+    packages=find_packages(include=['microsoft_auth', 'microsoft_auth.*']),
     include_package_data=True,
     install_requires=requirements,
     license="MIT license",
     zip_safe=False,
     keywords='django_microsoft_auth',
     classifiers=[
-        'Development Status :: 2 - Pre-Alpha',
+        'Development Status :: 5 - Production/Stable',
         'Intended Audience :: Developers',
         'License :: OSI Approved :: MIT License',
         'Natural Language :: English',
         'Programming Language :: Python :: 3',
         'Programming Language :: Python :: 3.4',
         'Programming Language :: Python :: 3.5',
         'Programming Language :: Python :: 3.6',
+        'Framework :: Django :: 1.11',
     ],
     test_suite='tests',
     tests_require=test_requirements,