- PEP 3106: dict.iterkeys(), .iteritems(), .itervalues() are now gone;
  and .keys(), .items(), .values() return dict views.

The dict views aren't fully functional yet; in particular, they can't
be compared to sets yet.  but they are useful as "iterator wells".

There are still 27 failing unit tests; I expect that many of these
have fairly trivial fixes, but there are so many, I could use help.
diff --git a/Lib/test/pickletester.py b/Lib/test/pickletester.py
index 5d340b3..cb4b431 100644
--- a/Lib/test/pickletester.py
+++ b/Lib/test/pickletester.py
@@ -438,7 +438,7 @@
         for proto in protocols:
             s = self.dumps(d, proto)
             x = self.loads(s)
-            self.assertEqual(x.keys(), [1])
+            self.assertEqual(list(x.keys()), [1])
             self.assert_(x[1] is x)
 
     def test_recursive_inst(self):
@@ -461,7 +461,7 @@
             x = self.loads(s)
             self.assertEqual(len(x), 1)
             self.assertEqual(dir(x[0]), dir(i))
-            self.assertEqual(x[0].attr.keys(), [1])
+            self.assertEqual(list(x[0].attr.keys()), [1])
             self.assert_(x[0].attr[1] is x)
 
     def test_garyp(self):