Merged revisions 63856-63857,63859-63860 via svnmerge from

Merged revisions 63856-63857,63859-63860 via svnmerge from
svn+ssh://pythondev@svn.python.org/python/trunk

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  r63856 | robert.schuppenies | 2008-06-01 18:16:17 +0200 (So, 01 Jun 2008) | 2 lines

  Issue #2898: Added sys.getsizeof() to retrieve size of objects in bytes.
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  r63859 | georg.brandl | 2008-06-01 18:42:16 +0200 (So, 01 Jun 2008) | 2 lines

  Some style nits. Also clarify in the docstrings what __sizeof__ does.
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  r63860 | georg.brandl | 2008-06-01 19:05:56 +0200 (So, 01 Jun 2008) | 2 lines

  Fix test_descrtut.
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