setup.py: exclude also all subpackages

Author: rindeal

setup.py

@@ -36,7 +36,7 @@
     author_email='[email protected]',
     url='https://github.com/dsoprea/GDriveFS',
     license='GPL 2',
-    packages=setuptools.find_packages(exclude=['dev', 'tests']),
+    packages=setuptools.find_packages(exclude=['dev', 'dev.*', 'tests', 'tests.*']),
     include_package_data=True,
     package_data={
         'gdrivefs': [