Blocked revisions 75119 via svnmerge

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  r75119 | mark.dickinson | 2009-09-28 20:21:11 +0100 (Mon, 28 Sep 2009) | 10 lines

  Merged revisions 75117 via svnmerge from
  svn+ssh://pythondev@svn.python.org/python/trunk

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    r75117 | mark.dickinson | 2009-09-28 19:54:55 +0100 (Mon, 28 Sep 2009) | 3 lines

    Issue #3366:  Add gamma function to math module.
    (lgamma, erf and erfc to follow).
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