Merged revisions 73824,78887,78895,78900,79024 via svnmerge from

Merged revisions 73824,78887,78895,78900,79024 via svnmerge from
svn+ssh://pythondev@svn.python.org/python/trunk

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  r73824 | ezio.melotti | 2009-07-04 04:18:08 +0300 (Sat, 04 Jul 2009) | 1 line

  #6398 typo: versio. -> version.
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  r78887 | ezio.melotti | 2010-03-13 02:15:36 +0200 (Sat, 13 Mar 2010) | 1 line

  fix broken links
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  r78895 | ezio.melotti | 2010-03-13 03:21:34 +0200 (Sat, 13 Mar 2010) | 1 line

  #8011: use exc.tb_lineno instead of traceback.tb_lineno() and pep8ify variable names.
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  r78900 | ezio.melotti | 2010-03-13 06:39:51 +0200 (Sat, 13 Mar 2010) | 1 line

  Silence compiler warnings.
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  r79024 | ezio.melotti | 2010-03-17 16:22:34 +0200 (Wed, 17 Mar 2010) | 1 line

  Use "x in y" instead of y.find(x) != -1.
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