'Make a directory
This method issues the MKD command.
@param path: The path to the directory to create.
@type path: C{str}
@return: A L{Deferred} which fires when the server responds.  If the
directory is created, the L{Deferred} is called back with the
server response.  If the server response indicates the directory
was not created, the L{Deferred} is errbacked with a L{Failure}
wrapping L{CommandFailed} or L{BadResponse}.
@rtype: L{Deferred}
@since: 8.2'

def makeDirectory(self, path):

    return self.queueStringCommand(('MKD    ' + self.escapePath(path)))
