Return True if the code at offset is some sort of jump forward.
        That is, it is ether "JUMP_FORWARD" or an absolute jump that
        goes forward.

def is_jump_forward(self, offset):
        """
        Return True if the code at offset is some sort of jump forward.
        That is, it is ether "JUMP_FORWARD" or an absolute jump that
        goes forward.
        """
        opname = self.get_inst(offset).opname
        if opname == 'JUMP_FORWARD':
            return True
        if opname != 'JUMP_ABSOLUTE':
            return False
        return offset < self.get_target(offset)