Copy sys.stderr before replacing it, instead of using sys.__stderr__

svn+ssh://pythondev@svn.python.org/python/trunk

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  r73064 | antoine.pitrou | 2009-05-30 23:27:00 +0200 (sam., 30 mai 2009) | 4 lines

  Issue #5330: C functions called with keyword arguments were not reported by
  the various profiling modules (profile, cProfile). Patch by Hagen Fürstenau.
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  r73065 | antoine.pitrou | 2009-05-30 23:39:25 +0200 (sam., 30 mai 2009) | 3 lines

  The test for #5330 wasn't correct.
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svn+ssh://pythondev@svn.python.org/python/trunk

........
  r73064 | antoine.pitrou | 2009-05-30 23:27:00 +0200 (sam., 30 mai 2009) | 4 lines

  Issue #5330: C functions called with keyword arguments were not reported by
  the various profiling modules (profile, cProfile). Patch by Hagen Fürstenau.
........

the various profiling modules (profile, cProfile). Patch by Hagen Fürstenau.

svn+ssh://pythondev@svn.python.org/python/trunk

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  r66677 | brett.cannon | 2008-09-28 22:41:21 -0500 (Sun, 28 Sep 2008) | 7 lines

  The _lsprof module could crash the interpreter if it was given an external
  timer that did not return a float and a timer was still running when the
  Profiler object was garbage collected.

  Fixes issue 3895.
  Code review by Benjamin Peterson.
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  r66700 | brett.cannon | 2008-09-30 12:46:03 -0500 (Tue, 30 Sep 2008) | 5 lines

  Fix a refleak introduced by r66677.

  Fix suggested by Amaury Forgeot d'Arc.
  Closes issue #4003.
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timer that did not return a float and a timer was still running when the
Profiler object was garbage collected.

Fixes issue 3895.
Code review by Benjamin Peterson.

* Convert both to unittest.
* Use the same unit testing code.
* Include the expected output in both test files.
* Make it possible to regenerate the expected output by running
  the file as a script with an '-r' argument.

with all other test files). Written for GHOP by Benjamin Peterson.