Sends an SMS message.
        Relies on properly setting up an SMS provider (refer to the
        SMS section of the documentation for more information about this)

        Call from within your strategy:
        ``self.sms("message text")``

        :Parameters:
            text : string
                The body of the SMS message to send

def sms(self, text):
        """Sends an SMS message.
        Relies on properly setting up an SMS provider (refer to the
        SMS section of the documentation for more information about this)

        Call from within your strategy:
        ``self.sms("message text")``

        :Parameters:
            text : string
                The body of the SMS message to send

        """
        logging.info("SMS: %s", str(text))
        sms.send_text(self.name + ': ' + str(text), self.sms_numbers)