breaks down when there are spaces in directory names

To reproduce:

    mkdir -p '/tmp/testdir/dir with spaces'
    cd /tmp/testdir
    echo foo > 'dir with spaces/foo.txt'
    restview .

and then click on 'dir with spaces/foo.txt'.

I get

Traceback (most recent call last):
  File "/usr/lib/python2.6/SocketServer.py", line 281, in _handle_request_noblock
    self.process_request(request, client_address)
  File "/usr/lib/python2.6/SocketServer.py", line 307, in process_request
    self.finish_request(request, client_address)
  File "/usr/lib/python2.6/SocketServer.py", line 320, in finish_request
    self.RequestHandlerClass(request, client_address, self)
  File "/usr/lib/python2.6/SocketServer.py", line 615, in __init__
    self.handle()
  File "/usr/lib/python2.6/BaseHTTPServer.py", line 329, in handle
    self.handle_one_request()
  File "/usr/lib/python2.6/BaseHTTPServer.py", line 323, in handle_one_request
    method()
  File "/home/mg/py-lib/restview-1.2-py2.6.egg/restview/restviewhttp.py", line 47, in do_GET
    content = self.do_GET_or_HEAD()
  File "/home/mg/py-lib/restview-1.2-py2.6.egg/restview/restviewhttp.py", line 74, in do_GET_or_HEAD
    return self.handle_rest_file(self.translate_path())
  File "/home/mg/py-lib/restview-1.2-py2.6.egg/restview/restviewhttp.py", line 108, in handle_rest_file
    self.log_error("%s" % e)
  File "/usr/lib/python2.6/BaseHTTPServer.py", line 425, in log_error
    self.log_message(format, *args)
  File "/usr/lib/python2.6/BaseHTTPServer.py", line 447, in log_message
    format%args))
TypeError: not enough arguments for format string