Merged revisions 79187-79189 via svnmerge from

Merged revisions 79187-79189 via svnmerge from
svn+ssh://pythondev@svn.python.org/python/trunk

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  r79187 | florent.xicluna | 2010-03-21 12:50:44 +0200 (Sun, 21 Mar 2010) | 2 lines

  Silence more py3k warnings in unittest.case.
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  r79188 | florent.xicluna | 2010-03-21 12:51:40 +0200 (Sun, 21 Mar 2010) | 2 lines

  Fix py3k warnings in test_decimal, using unittest.assertItemsEqual.
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  r79189 | florent.xicluna | 2010-03-21 13:03:21 +0200 (Sun, 21 Mar 2010) | 2 lines

  Silence some py3k SyntaxWarning using check_py3k_warnings() with "exec" statements.
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