stringobject, unicodeobject and the two formatters are rebuild whenever a header files changes

run the test simultaneously.  The simplest thing I found that worked
on both Windows and Unix was to use the PID.  It's unique so should be
sufficient.  This should prevent many of the spurious failures of
the automated tests since they run as different users.

Also cleanup the directory consistenly in the tearDown methods.

It would be nice if someone ensured that the directories are always
created with a consistent name.

were two module_methods and the one used depended on the order the
modules were loaded.  By making the test module_methods static,
it is not exported and the correct version is picked up.

Thanks Gabriel Genellina.

Suggested by Raymond Hettinger.

httplib will now raise IncompleteRead and close the connection instead
of raising ValueError.

Originally written for GHOP by Josip Dzolonga, heavily patched by me.

raises an exception.

    class RunSelfFunction(object):
        def __init__(self):
            self.thread = threading.Thread(target=self._run)
            self.thread.start()
        def _run(self):
            pass
from creating a permanent cycle between the object and the thread by having the
Thread delete its references to the object when it completes.

As an example of the effect of this bug, paramiko.Transport inherits from
Thread to avoid it.

Permission for pyc and pyo files are inherited from the py file.

Fix by Malte Helmert