[Checkins] [zopefoundation/zope.testbrowser] dc158a: Support WebTest >= 2.0.13

[GitHub]

  Branch: refs/heads/master
  Home:   https://github.com/zopefoundation/zope.testbrowser
  Commit: dc158ad8427b9c6ddc38fbbfcca4b56992aa36fb
      https://github.com/zopefoundation/zope.testbrowser/commit/dc158ad8427b9c6ddc38fbbfcca4b56992aa36fb
  Author: Marius Gedminas <marius at gedmin.as>
  Date:   2014-01-25 (Sat, 25 Jan 2014)

  Changed paths:
    M src/zope/testbrowser/browser.py

  Log Message:
  -----------
  Support WebTest >= 2.0.13

See https://github.com/Pylons/webtest/commit/1031d82e1b7d5f3bd7370c484c6a2d2f5cf29467
for the change that broke our (ugly hacky) code.