'Sets up frame list'

def setup_frames(self):

    self.frames.append(self.get_image(0, 32, 16, 16))
    self.frames.append(self.get_image(16, 32, 16, 16))
    self.frames.append(self.get_image(32, 32, 16, 16))
    self.frames.append(self.get_image(48, 32, 16, 16))
