Prepare for packaging

pyheadermilter/__init__.py

@@ -13,6 +13,7 @@
 #
 
 __all__ = ["HeaderRule", "HeaderMilter"]
+name = "pyheadermilter"
 
 import Milter
 import argparse

setup.py

@@ -30,6 +30,6 @@ setup(name = "pyheadermilter",
             "pyheader-milter=pyheadermilter:main"
         ]
     },
-    install_requires = ["pymilter"],
+    install_requires = ["pymilter", "netaddr"],
     python_requires = ">=3"
 )