Merged revisions 60364-60378 via svnmerge from

Merged revisions 60364-60378 via svnmerge from
svn+ssh://pythondev@svn.python.org/python/trunk

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  r60364 | neal.norwitz | 2008-01-27 19:09:48 +0100 (Sun, 27 Jan 2008) | 4 lines

  Update the comment and remove the close.  If we close we can't flush anymore.
  We might still need to close after the for loop if flushing 6! times still
  doesn't cause the signal/exception.
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  r60365 | georg.brandl | 2008-01-27 19:14:43 +0100 (Sun, 27 Jan 2008) | 2 lines

  Remove effectless expression statement.
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  r60367 | neal.norwitz | 2008-01-27 19:19:04 +0100 (Sun, 27 Jan 2008) | 1 line

  Try to handle socket.errors properly in is_unavailable
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  r60370 | christian.heimes | 2008-01-27 20:01:45 +0100 (Sun, 27 Jan 2008) | 1 line

  Change isbasestring function as discussed on the cvs list a while ago
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  r60372 | neal.norwitz | 2008-01-27 21:03:13 +0100 (Sun, 27 Jan 2008) | 3 lines

  socket.error doesn't have a headers attribute like ProtocolError.
  Handle that situation where we catch socket.errors.
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  r60375 | georg.brandl | 2008-01-27 21:25:12 +0100 (Sun, 27 Jan 2008) | 2 lines

  Add refcounting extension to build config.
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  r60377 | jeffrey.yasskin | 2008-01-28 00:08:46 +0100 (Mon, 28 Jan 2008) | 6 lines

  Moved Rational._binary_float_to_ratio() to float.as_integer_ratio() because
  it's useful outside of rational numbers.

  This is my first C code that had to do anything significant. Please be more
  careful when looking over it.
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  r60378 | christian.heimes | 2008-01-28 00:34:59 +0100 (Mon, 28 Jan 2008) | 1 line

  Added clear cache methods to clear the internal type lookup cache for ref leak test runs.
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