more stable connexion

app/src/main/java/network/server/Server.java

@@ -49,6 +49,7 @@ public class Server {
 		this.acceptThread.cancel();
 		this.logicThread.cancel();
 		for (ServerConnexion connexion : this.connexions) {
+			connexion.nukeConnection();
 			connexion.close();
 		}
 	}