Merged revisions 66511,66548-66549,66644,66646-66652 via svnmerge from

Merged revisions 66511,66548-66549,66644,66646-66652 via svnmerge from
svn+ssh://pythondev@svn.python.org/sandbox/trunk/2to3/lib2to3

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  r66511 | benjamin.peterson | 2008-09-18 21:49:27 -0500 (Thu, 18 Sep 2008) | 1 line

  remove a  useless if __name__ == '__main__'
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  r66548 | benjamin.peterson | 2008-09-21 21:14:14 -0500 (Sun, 21 Sep 2008) | 1 line

  avoid the perils of mutable default arguments
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  r66549 | benjamin.peterson | 2008-09-21 21:26:11 -0500 (Sun, 21 Sep 2008) | 1 line

  some places in RefactoringTool should raise an error instead of logging it
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  r66644 | benjamin.peterson | 2008-09-27 10:45:10 -0500 (Sat, 27 Sep 2008) | 1 line

  fix doctest refactoring
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  r66646 | benjamin.peterson | 2008-09-27 11:40:13 -0500 (Sat, 27 Sep 2008) | 1 line

  don't print to stdout when 2to3 is used as a library
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  r66647 | benjamin.peterson | 2008-09-27 12:28:28 -0500 (Sat, 27 Sep 2008) | 1 line

  let fixer modules and classes have different prefixes
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  r66648 | benjamin.peterson | 2008-09-27 14:02:13 -0500 (Sat, 27 Sep 2008) | 1 line

  raise errors when 2to3 is used as a library
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  r66649 | benjamin.peterson | 2008-09-27 14:03:38 -0500 (Sat, 27 Sep 2008) | 1 line

  fix docstring
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  r66650 | benjamin.peterson | 2008-09-27 14:22:21 -0500 (Sat, 27 Sep 2008) | 1 line

  make use of enumerate
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  r66651 | benjamin.peterson | 2008-09-27 14:24:13 -0500 (Sat, 27 Sep 2008) | 1 line

  revert last revision; it breaks things
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  r66652 | benjamin.peterson | 2008-09-27 16:03:06 -0500 (Sat, 27 Sep 2008) | 1 line

  add tests for lib2to3.refactor
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