status -v fails on Py3k

[tseaver]

$ bin/python -V
Python 3.4.2
$ bin/develop status -v
~   - zope.annotation
Traceback (most recent call last):
  File "bin/develop", line 13, in <module>
    sys.exit(mr.developer.develop.develop())
  File "/home/tseaver/projects/Zope/Z3/zopetoolkit/eggs/mr.developer-1.31-py3.4.egg/mr/developer/develop.py", line 859, in __call__
    args.func(args)
  File "/home/tseaver/projects/Zope/Z3/zopetoolkit/eggs/mr.developer-1.31-py3.4.egg/mr/developer/develop.py", line 749, in __call__
    for line in output.split('\n'):
TypeError: Type str doesn't support the buffer API