Enable future.backports.xmlrpc in setup.py (issue #59)

Author: edschofield

setup.py

@@ -26,7 +26,7 @@
             "future.backports.http",
             "future.backports.test",
             "future.backports.urllib",
-            # "future.backports.xmlrpc",
+            "future.backports.xmlrpc",
             "future.moves",
             "future.moves.html",
             "future.moves.http",