Fix bug #921. Reviewer: Marcelo Lira <marcelo.lira@openbossa.org> Lauro Moura <lauro.neto@openbossa.org>
With this class you can use a c function as a callback on PyObject destruction. Reviewer: Marcelo Lira <marcelo.lira@openbossa.org> Hugo Parente Lima <hugo.pl@gmail.com>