Add suds to install_requires -- fixes #8

Author: Piotr Kilczuk

Diff for: setup.py

@@ -74,5 +74,6 @@ def run(self):
       classifiers=CLASSIFIERS,
       keywords=KEYWORDS,
       requires=['suds'],
+      install_requires=['suds'],
       cmdclass={'zip_docs': zip_docs},
      )