Merged revisions 65487 (with heavy modifications for Py3k as well as some cleanups...

Merged revisions 65487 (with heavy modifications for Py3k as well as some cleanups of the type heirarchy) via svnmerge from
svn+ssh://pythondev@svn.python.org/python/trunk

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  r65487 | nick.coghlan | 2008-08-04 22:40:59 +1000 (Mon, 04 Aug 2008) | 1 line

  Issue 643841: better documentation of the special method lookup process, especially for new-style classes. Also removes the warnings about not being authoritative for new-style classes - the language reference actually covers those fairly well now (albeit in a fashion that isn't always particularly easy to follow).
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