Patch #478654: Expose tk_chooseDirectory.
Also delegate kw arguments through ** calls.
diff --git a/Misc/NEWS b/Misc/NEWS
index a9f5a99..e873dad 100644
--- a/Misc/NEWS
+++ b/Misc/NEWS
@@ -51,6 +51,9 @@
 
 Library
 
+- tkFileDialog exposes a Directory class and askdirectory 
+  convenience function.
+
 - Symbolic group names in regular expressions must be unique.  For
   example, the regexp r'(?P<abc>)(?P<abc>)' is not allowed, because a
   single name can't mean both "group 1" and "group 2" simultaneously.