Fix error when player leaves after getting kicked, and message for auto queue

src/main/java/us/ajg0702/queue/Main.java

@@ -119,6 +119,7 @@ public class Main extends Plugin implements Listener {
 		d.put("commands.listqueues.format", "{COLOR}{NAME}&7: {COUNT} queued");
 		
 		d.put("max-tries-reached", "&cUnable to connect to {SERVER}. Max retries reached.");
+		d.put("auto-queued", "&aYou've been auto-queued for {SERVER} because you were kicked.");
 		
 		msgs = BungeeMessages.getInstance(this, d);
 		
@@ -215,7 +216,7 @@ public class Main extends Plugin implements Listener {
 	
 	@EventHandler
 	public void onFailedMove(ServerKickEvent e) {
-		ProxiedPlayer p = e.getPlayer();
+		final ProxiedPlayer p = e.getPlayer();
 		List<QueueServer> queuedServers = man.findPlayerInQueue(p);
 
 
@@ -236,7 +237,11 @@ public class Main extends Plugin implements Listener {
 			}
 			if(shouldqueue || reasons.isEmpty()) {
 				plugin.getProxy().getScheduler().schedule(this, () -> {
-					man.addToQueue(p, e.getKickedFrom().getName());
+					if(!p.isConnected()) return;
+
+					String toName = e.getKickedFrom().getName();
+					p.sendMessage(msgs.getBC("auto-queued", "SERVER:"+toName));
+					man.addToQueue(p, toName);
 				}, (long) (config.getDouble("auto-add-to-queue-on-kick-delay")*1000), TimeUnit.MILLISECONDS);
 			}
 

src/main/java/us/ajg0702/queue/Manager.java

@@ -615,11 +615,13 @@ public class Manager {
 	 * @param s The name of the server
 	 */
 	public void addToQueue(ProxiedPlayer p, String s) {
+		if(p == null || s == null) return;
 		QueueServer server = findServer(s);
 		if(server == null) {
 			p.sendMessage(msgs.getBC("errors.server-not-exist"));
 			return;
 		}
+		if(!p.isConnected()) return;
 		
 		if(pl.config.getBoolean("joinfrom-server-permission") && !p.hasPermission("ajqueue.joinfrom."+p.getServer().getInfo().getName())) {
 			p.sendMessage(msgs.getBC("errors.deny-joining-from-server"));