Fix: AttributeError: 'function' object has no attribute 'im_func'
Fix: AttributeError: 'function' object has no attribute 'im_func'

Fix these:

$ python3.4 docs/conan.py  hello
Traceback (most recent call last):
  File "docs/conan.py", line 52, in <module>
    sys.exit( conan.main() )
  File "/Users/trentm/tm/cmdln/lib/cmdln.py", line 264, in main
    return self.cmd(args)
  File "/Users/trentm/tm/cmdln/lib/cmdln.py", line 287, in cmd
    retval = self.onecmd(argv)
  File "/Users/trentm/tm/cmdln/lib/cmdln.py", line 425, in onecmd
    return self._dispatch_cmd(handler, argv)
  File "/Users/trentm/tm/cmdln/lib/cmdln.py", line 1108, in _dispatch_cmd
    co_argcount = handler.im_func.func_code.co_argcount
AttributeError: 'function' object has no attribute 'im_func'

$ python3.4 docs/conan.py  hello
Traceback (most recent call last):
  File "docs/conan.py", line 52, in <module>
    sys.exit( conan.main() )
  File "/Users/trentm/tm/cmdln/lib/cmdln.py", line 264, in main
    return self.cmd(args)
  File "/Users/trentm/tm/cmdln/lib/cmdln.py", line 287, in cmd
    retval = self.onecmd(argv)
  File "/Users/trentm/tm/cmdln/lib/cmdln.py", line 425, in onecmd
    return self._dispatch_cmd(handler, argv)
  File "/Users/trentm/tm/cmdln/lib/cmdln.py", line 1108, in _dispatch_cmd
    co_argcount = handler.__func__.func_code.co_argcount
AttributeError: 'function' object has no attribute 'func_code'

trentm/cmdln,stuaxo/cmdln,trhd/cmdln