Merged revisions 76286-76287,76289-76294,76296-76299,76301-76305,76307,76310-76311,76313-76322 via svnmerge from
svn+ssh://pythondev@svn.python.org/python/trunk

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  r76286 | nick.coghlan | 2009-11-15 17:30:34 +1000 (Sun, 15 Nov 2009) | 1 line

  Issue #6816: expose the zipfile and directory execution mechanism to Python code via the runpy module. Also consolidated some script execution functionality in the test harness into a helper module and removed some implementation details from the runpy module documentation.
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  r76321 | nick.coghlan | 2009-11-16 13:55:51 +1000 (Mon, 16 Nov 2009) | 1 line

  Account for another cache when hunting ref leaks
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  r76322 | nick.coghlan | 2009-11-16 13:57:32 +1000 (Mon, 16 Nov 2009) | 1 line

  Allow for backslashes in file paths passed to the regex engine
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