Handle reading/writing channel directly. It is also sanitizing the output received.

        Parameters
        ----------
        cmd : str, optional
            The command to send to the remote device (default : "", just send a new line)

        Returns
        -------
        output : str
            The output from the command sent

def _send_command(self, cmd=""):
        """
        Handle reading/writing channel directly. It is also sanitizing the output received.

        Parameters
        ----------
        cmd : str, optional
            The command to send to the remote device (default : "", just send a new line)

        Returns
        -------
        output : str
            The output from the command sent
        """
        self.connection.write_channel(cmd + "\n")
        time.sleep(1)
        output = self.connection._read_channel_timing()
        output = self.connection.strip_ansi_escape_codes(output)
        output = self.connection.strip_backspaces(output)
        return output