get setup to provide package

setup.py

@@ -1,11 +1,18 @@
 from setuptools import setup
+from distutils.util import convert_path
+
+
+version = {}
+with open(convert_path('corrlib/version.py')) as ver_file:
+    exec(ver_file.read(), version)
 
 setup(name='pycorrlib',
-      version='0.1.1',
+      version=version['__version__'],
       author='Justus Kuhlmann',
       author_email='j_kuhl19@uni-muenster.de',
       install_requires=['pyerrors>=2.11.1', 'datalad>=1.1.0', 'typer>=0.12.5'],
       entry_points = {
         'console_scripts': ['pcl=corrlib.cli:app'],
         },
+      packages=['corrlib']
       )