Get rid of dict.has_key(). Boy this has a lot of repercussions!
Not all code has been fixed yet; this is just a checkpoint...
The C API still has PyDict_HasKey() and _HasKeyString(); not sure
if I want to change those just yet.
diff --git a/Lib/test/test_gdbm.py b/Lib/test/test_gdbm.py
index 03a47d9..e76539a 100755
--- a/Lib/test/test_gdbm.py
+++ b/Lib/test/test_gdbm.py
@@ -17,7 +17,7 @@
 if verbose:
     print 'Test gdbm file keys: ', a
 
-g.has_key('a')
+'a' in g
 g.close()
 try:
     g['a']