create python package

setup.py

@@ -1,4 +1,5 @@
-from setuptools import setup
+from setuptools import setup, find_namespace_packages
+
 setup(name='situr',
       version='0.1',
       description='A package to register situ images',
@@ -6,5 +7,5 @@ setup(name='situr',
       author='Hannes F. Kuchelmeister',
       author_email='hannes@kuchelmeister.org',
       license='MIT',
-      packages=['situr'],
+      packages=find_namespace_packages(include=['situr.*']),
       zip_safe=False)