Sir versus Skeletonwarlord

1) www.stickempires.com/play?replay=replay9857769&version=2.29 Skele wins
2) www.stickempires.com/play?replay=replay9857837&version=2.29 Sir wins (sir changed empire with no announcement? http://i.imgur.com/tVnw6Gv.png O.o is this breaking a rule or not? I was querying it with him when he had to leave suddenly and we didn't get to discuss further
3) www.stickempires.com/play?replay=replay9857987&version=2.29 Sir holds tower at 12 mins in http://i.imgur.com/b64qnMk.png Sir wins from tower control

2-1 to Sir