Pauses playback.

def pause(self):
		""" Pauses playback. """
		if self.decoder.status == mediadecoder.PAUSED:
			self.decoder.pause()
			self.paused = False
		elif self.decoder.status == mediadecoder.PLAYING:
			self.decoder.pause()
			self.paused = True
		else:
			print("Player not in pausable state")