He was with us 4 years including captain at Hampden and when we finished 3rd.
Sometimes people get upset when contract negotiations don't go their way and say things in the press. It's certainly not unusual, however, for them to make amends later and put it behind them.
It's can also be the case that the player falls out with an individual in the club (or Board) rather than everyone there.
You want to see how bridges can be mended, look no further than Brian Kerr. Bad mouthed us in the press when he moved to Hibs, and ended up back at the club as a coach and assistant manager.