Initial pointer adoption tests

Have instances actually dispose of their held C++ objects!


[SVN r12652]

libs/python

@@ -1 +1 @@
-Subproject commit 6e5fc91885e622c4d513300e53a05477dd10892c
+Subproject commit 8cc9080d367448edc08d6c8725282d2d5c5d0657