I thought that while Chaplin was arguing I heard Ifollow mention that there was 1 minutes additional time
Yeah Walton wasted lots of time when he got the ball when Preston should have made it two. Instead of playing quickly out from the back he kept hold of the ball and let everyone get back. Then he put the ball and wasted some more time. Then he did a Wimbledon long ball that about 3 seconds later was with the PNE keeper.