exclude tests

Author: DomAmato

setup.py

@@ -7,7 +7,7 @@
     version='%s.%s.%s' % VERSION,
     description='SMS/MMS encoder/decoder',
     license=open('COPYING').read(),
-    packages=find_packages(where='messaging'),
+    packages=find_packages(exclude=["tests"]),
     py_modules=["messaging"],
     include_package_data=True,
     package_data={'messaging': ['README.md']},