Update to 0.6.33:

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0.6.33
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* Fix 2 errors with Jython 2.5.
* Fix 1 failure with Jython 2.5 and 2.7.
* Disable workaround for Jython scripts on Linux systems.
* Issue #336: `setup.py` no longer masks failure exit code when tests fail.
* Fix issue in pkg_resources where try/except around a platform-dependent
  import would trigger hook load failures on Mercurial. See pull request 32
  for details.
* Issue #341: Fix a ResourceWarning.

(wiz)