Change the position of the thing.

        :param request_position: The new position for the slide (0-100)
        :param thing: a string with the name of the thing, which is then checked using getThings.
        :param thingUri: Uri (string) of the thing you are getting the state from, not checked against getThings.
        :return: a dict with the state of the Thing.
        :raises: ValueError if the requested thing does not exists or the position is not between 0 and 100. 
            NameError if not logged in. SyntaxError when not exactly one of the params is given.

def changeRequestPosition(self, request_position, **kwargs):
        """Change the position of the thing.

        :param request_position: The new position for the slide (0-100)
        :param thing: a string with the name of the thing, which is then checked using getThings.
        :param thingUri: Uri (string) of the thing you are getting the state from, not checked against getThings.
        :return: a dict with the state of the Thing.
        :raises: ValueError if the requested thing does not exists or the position is not between 0 and 100. 
            NameError if not logged in. SyntaxError when not exactly one of the params is given. 
        """
        kwargs['key']="requestPosition"
        kwargs['value']=request_position
        return self.changeKey(**kwargs)