Hotfix Tablist NPE

Signed-off-by: Lixfel <agga-games@gmx.de>

src/de/steamwar/bungeecore/listeners/TablistManager.java

@@ -146,12 +146,13 @@ public class TablistManager extends BasicListener {
         }
 
         private void refresh(){
+
+            try {
                 ServerInfo currentServer = player.getServer().getInfo();
                 setHeader(header);
                 setFooter("§e" + currentServer.getName() + " " + getPing() + "§8ms");
                 setSize(size, 20);
 
-            try {
                 int i = 0;
                 for (String server : playerMap.navigableKeySet()) {
                     if (i > 0){
@@ -173,8 +174,9 @@ public class TablistManager extends BasicListener {
                     setSlot(i%20, i/20, darkGray, "", 1000);
                     i++;
                 }
-            }catch(IndexOutOfBoundsException e){
-                //Ignore
+            }catch(IndexOutOfBoundsException | NullPointerException e){
+                //Ignore IndexOutOfBoundsException
+                //Ignore NPE, happens sometimes (only 1s long) when somebody is joining, server switching or disconnecting
             }
         }
     }