Added check if player is already premium + Updated FakePlayer against

the newest API changes

bukkit/src/main/java/com/github/games647/fastlogin/bukkit/commands/PremiumCommand.java

@@ -33,8 +33,13 @@ public class PremiumCommand implements CommandExecutor {
             }
 
             String playerName = sender.getName();
-            plugin.getEnabledPremium().add(playerName);
-            sender.sendMessage(ChatColor.DARK_GREEN + "Added to the list of premium players");
+            boolean exist = plugin.getEnabledPremium().add(playerName);
+            if (exist) {
+                sender.sendMessage(ChatColor.DARK_RED + "You are already on the premium list");
+            } else {
+                sender.sendMessage(ChatColor.DARK_GREEN + "Added to the list of premium players");
+            }
+
             notifiyBungeeCord((Player) sender);
             return true;
         } else {

bukkit/src/main/java/com/github/games647/fastlogin/bukkit/hooks/UltraAuthHook.java

@@ -1428,5 +1428,25 @@ public class UltraAuthHook implements BukkitAuthPlugin {
         public void setGliding(boolean arg0) {
             throw new UnsupportedOperationException("Not supported yet.");
         }
+
+        @Override
+        public void setAI(boolean arg0) {
+            throw new UnsupportedOperationException("Not supported yet.");
+        }
+
+        @Override
+        public boolean hasAI() {
+            throw new UnsupportedOperationException("Not supported yet.");
+        }
+
+        @Override
+        public void setInvulnerable(boolean arg0) {
+            throw new UnsupportedOperationException("Not supported yet.");
+        }
+
+        @Override
+        public boolean isInvulnerable() {
+            throw new UnsupportedOperationException("Not supported yet.");
+        }
     }
 }

bukkit/src/main/resources/config.yml

@@ -22,9 +22,7 @@
 autoRegister: false
 
 # If this plugin detected that a player has a premium, it can also set the associated
-# uuid from that account.
-#
-# So if the players changes their usernames, they will still have
+# uuid from that account. So if the players changes their usernames, they will still have
 # the same playerdata (inventory, permissions, ...)
 #
 # Warning: This also means that the UUID will be different if the player is connecting