not found unicode URLs will throw an exception

[Kaweh Kazemi]

bobo behind apache/mod_wsgi

given this request (which is obviously a bogus request)

XXX.XXX.XXX.XXX - - [08/Apr/2011:18:22:32 +0200] "\xa5$7\x93\x7f\xdd\x19\xa8\xbe\x1d~\xe4\x9cM6\xf6O\xe7" 500 630 "-" "-"

will yield:

Traceback (most recent call last):
File "/usr/local/lib/python2.6/dist-packages/bobo-0.2.2-py2.6.egg/boboserver.py", line 142, in __call__
     return self.app(environ, start_response)
   File "/usr/local/lib/python2.6/dist-packages/bobo-0.2.2-py2.6.egg/bobo.py", line 213, in __call__
     return self.bobo_response(request, request.path_info, request.method
   File "/usr/local/lib/python2.6/dist-packages/bobo-0.2.2-py2.6.egg/bobo.py", line 193, in bobo_response
     return self.method_not_allowed(request, method, v.allowed)
   File "/usr/local/lib/python2.6/dist-packages/bobo-0.2.2-py2.6.egg/bobo.py", line 279, in method_not_allowed
     [('Allow', ', '.join(sorted(methods)))])
   File "/usr/local/lib/python2.6/dist-packages/bobo-0.2.2-py2.6.egg/bobo.py", line 285, in _err_response
     response.unicode_body = _html_template % (title, message)
UnicodeDecodeError: 'ascii' codec can't decode byte 0xa5 in position 24: ordinal not in range(128)