Fix /wset greeting (Thanks 123DMWM)

Author: UnknownShadow200

fCraft/Commands/WorldCommands.cs

@@ -3052,6 +3052,7 @@ static void SetGreeting(Player player, World world, string value) {
                     File.Delete("./WorldGreeting/" + world.Name + ".txt");
                 world.Greeting = null;
             } else {
+                world.Greeting = value;
                 player.Message("Greeting message for world {0}&S set to: {1}", world.ClassyName, world.Greeting);
                 File.WriteAllText("./WorldGreeting/" + world.Name + ".txt", world.Greeting);
                 world.Greeting = null;

fCraft/Player/Chat.cs

@@ -199,7 +199,7 @@ static void checkBotResponses(Player player, string rawMessage) {
                         Server.BotMessage("Your next rank is: " + next.ClassyName);
                         player.LastServerMessageDate = DateTime.UtcNow;
                         player.Info.TimesUsedBot++;
-                    } else {
+                    } else if (BotTime > 5) {
                         Server.BotMessage("You are already the highest rank.");
                         player.LastServerMessageDate = DateTime.UtcNow;
                         player.Info.TimesUsedBot++;