Merged revisions 81709-81710 via svnmerge from

svn+ssh://pythondev@svn.python.org/python/trunk

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  r81709 | benjamin.peterson | 2010-06-04 19:56:46 -0500 (Fri, 04 Jun 2010) | 1 line

  implement object.__format__ with PyObject_Format
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  r81710 | benjamin.peterson | 2010-06-04 20:00:10 -0500 (Fri, 04 Jun 2010) | 1 line

  fix ref counting
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