include all packages, fixing a local instalation bug

setup.py

@@ -19,6 +19,7 @@
 import re
 import sys
 from distutils.core import setup
+from setuptools import find_packages
 from setuptools.command.test import test as TestCommand
 
 
@@ -130,9 +131,7 @@ setup(
     scripts=[
         'bin/tower-cli',
     ],
-    packages=[
-        'tower_cli',
-    ],
+    packages=find_packages(exclude=['tests']),
     # How to do the tests
     tests_require=['tox'],
     cmdclass={'test': Tox},