Increments the internal tape counter by 1
        :raises PointerOutOfProgramRange: Raises an error if the result of incrementing the pointer would bring
        it outside of the tape space on the right

def _increment_pointer(self):
        """
        Increments the internal tape counter by 1
        :raises PointerOutOfProgramRange: Raises an error if the result of incrementing the pointer would bring
        it outside of the tape space on the right
        """
        self.pointer += 1
        if self.pointer >= len(self.tape):
            raise PointerOutOfProgramRange("Pointer exceeded right-hand bound of tape")