decode HTTP request headers as iso-8859-1, not utf-8 (fixes #533)
decode HTTP request headers as iso-8859-1, not utf-8 (fixes #533)

oberstet/autobahn-python,crossbario/autobahn-python,tavendo/AutobahnPython,Jenselme/AutobahnPython,RyanHope/AutobahnPython,crossbario/autobahn-python,crossbario/autobahn-python,oberstet/autobahn-python,oberstet/autobahn-python,meejah/AutobahnPython