add queue-server checking

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

@@ -183,6 +183,7 @@ public class Main extends Plugin implements Listener {
 		String servername = e.getPlayer().getServer().getInfo().getName();
 		List<String> svs = config.getStringList("queue-servers");
 		for(String s : svs) {
+			if(!s.contains(":")) continue;
 			String[] parts = s.split("\\:");
 			String from = parts[0];
 			String to = parts[1];

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

@@ -31,6 +31,13 @@ public class ManageCommand extends Command {
 				}
 				msgs.reload();
 				pl.getConfig().reload();
+				List<String> svs = pl.getConfig().getStringList("queue-servers");
+				for(String s : svs) {
+					if(!s.contains(":")) {
+						pl.getLogger().warning("The queue-servers section in the config has been set up incorrectly! Please read the comment above the setting and make sure you have a queue server and a destination server separated by a colon (:)");
+						break;
+					}
+				}
 				sender.sendMessage(msgs.getBC("commands.reload"));
 				return;