[py3k] io.BytesIO

[py3k] get urllib foo from six.moves

[devtools] CubicWebTC._check_html may have to deal with unicode or bytes If called with template=None, CubicWebTC.view will not go through main-template, and return the unicode data from the view directly instead of encoded data.

[ext/test] fix test relying on repr(text)

[req] fix url_parse_qsl on py3 should be folded with previous conversion

[server/session] unicode → six.text_type

[web/test] str vs bytes

[web/ajax] fix AjaxController on python3

[web/test] str → bytes

[wsgi/test] use bytes instead of str for POST body

[devtools] 'dict_values' object does not support indexing

[multipart] decode form data before calling parse_qs in python 3 parse_qs eats and returns 'str' on both python versions.

[multipart] unicode → six.text_type

[web] assert that CubicWebPublisher.handle_request returns bytes