Exclude all test packages, not just toplevel (#740)

Author: chrisoro

setup.py

@@ -90,7 +90,7 @@
 
     # Code
     version=version,
-    packages=find_packages(exclude=["test", "doc", "scripts", "examples"]),
+    packages=find_packages(exclude=["test*", "doc", "scripts", "examples"]),
     scripts=list(filter(isfile, (join("scripts/", f) for f in listdir("scripts/")))),
 
     # Author