'Send command to Node.
cmd: string'

def sendCmd(self, *cmd, **kwargs):

    kwargs.setdefault('printPid', False)
    if (not self.execed):
        return Node.sendCmd(self, *cmd, **kwargs)
    else:
        error(('***    Error:    %s    has    execed    and    cannot    accept    commands' % self.name))
