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* Issue 195: Follow symbolic links in find_packages (restoring behavior
broken in 3.4).
* Issue 197: On Python 3.1, PKG-INFO is now saved in a UTF-8 encoding instead
of ``sys.getpreferredencoding`` to match the behavior on Python 2.6-3.4.
* Issue 192: Preferred bootstrap location is now
https://bootstrap.pypa.io/ez_setup.py (mirrored from former location).