void pointer conversion support, from Niall Douglas, then heavily

edited by DWA.


[SVN r32836]

libs/python

@@ -1 +1 @@
-Subproject commit 6347ca8065a94a834ea828086a3b06977b3da3c6
+Subproject commit 2d117bc4ad6f81d664cc837eca13818ddce5ccf3