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/setup.py b/setup.py
index 5d71181..1e58a2f 100644
--- a/setup.py
+++ b/setup.py
@@ -674,7 +674,7 @@
                         db_minor = int(m.group(1))
                         db_ver = (db_major, db_minor)
 
-                        if ( (not db_ver_inc_map.has_key(db_ver)) and
+                        if ( (db_ver not in db_ver_inc_map) and
                            (db_ver <= max_db_ver and db_ver >= min_db_ver) ):
                             # save the include directory with the db.h version
                             # (first occurrance only)