tests folder is now excluded from generated package wheel. Fixed #65

Author: Sylvain MARIE

setup.py

@@ -99,7 +99,7 @@
 
     # You can just specify the packages manually here if your project is
     # simple. Or you can use find_packages().
-    packages=find_packages(exclude=['contrib', 'docs', 'tests']),
+    packages=find_packages(exclude=['contrib', 'docs', '*tests*']),
 
     # Alternatively, if you want to distribute just a my_module.py, uncomment
     # this: