• with_metaclass now properly proxies __prepare__ to the underlying metaclass.
• Allow with_metaclass to work with metaclasses implemented in C.
• Add parse_http_list and parse_keqv_list to moved urllib.request.
• Add unquote_to_bytes to moved urllib.parse.
• Add six.moves.getoutput.
• Add six.moves.urllib_parse.splitvalue.
• Add six.moves.email_mime_image.
• Avoid creating reference cycles through tracebacks in reraise.

Signed-off-by: Pierre-Yves <pyu@riseup.net>

• Enable unit tests
• Checked with python-setuptools, thefuck, python-mock