ctb/twill — pull request #7 by mredar (2014-09-02 19:30:16+00:00)
Title: Accept header bug fix

See http://stackoverflow.com/questions/3796009/retrieve-application-json-document-with-twill-mechanize-in-authenticated-session

Alex Martelli is correct that the ';' should be a , . I had a server reject the ';' separated header, switch to , and no problem.