Command Problem Bukkit

package me.moe097.MindItKitPvP;

import net.milkbowl.vault.chat.Chat;
import net.milkbowl.vault.economy.Economy;
import net.milkbowl.vault.permission.Permission;

import org.bukkit.Bukkit;
import org.bukkit.ChatColor;
import org.bukkit.Material;
import org.bukkit.World;
import org.bukkit.command.CommandSender;
import org.bukkit.enchantments.Enchantment;
import org.bukkit.entity.Entity;
import org.bukkit.entity.Player;
import org.bukkit.event.EventHandler;
import org.bukkit.event.Listener;
import org.bukkit.event.entity.PlayerDeathEvent;
import org.bukkit.inventory.ItemStack;
import org.bukkit.inventory.meta.ItemMeta;
import org.bukkit.material.Command;
import org.bukkit.plugin.RegisteredServiceProvider;
import org.bukkit.plugin.java.JavaPlugin;

public class MindItKitPvP extends JavaPlugin implements Listener {

    public static Permission permission = null;
    public static Economy economy = null;
    public static Chat chat = null;

    private boolean setupPermissions()
    {
        RegisteredServiceProvider<Permission> permissionProvider = getServer().getServicesManager().getRegistration(net.milkbowl.vault.permission.Permission.class);
        if (permissionProvider != null) {
            permission = permissionProvider.getProvider();
        }
        return (permission != null);
    }

    private boolean setupChat()
    {
        RegisteredServiceProvider<Chat> chatProvider = getServer().getServicesManager().getRegistration(net.milkbowl.vault.chat.Chat.class);
        if (chatProvider != null) {
            chat = chatProvider.getProvider();
        }

        return (chat != null);
    }

    private boolean setupEconomy()
    {
        RegisteredServiceProvider<Economy> economyProvider = getServer().getServicesManager().getRegistration(net.milkbowl.vault.economy.Economy.class);
        if (economyProvider != null) {
            economy = economyProvider.getProvider();
        }

        return (economy != null);
    }

    @Override
    public void onEnable() {
        if(!setupEconomy()) {
            getLogger().severe("ERROR - COULD NOT LOAD PLUGIN - REQUIRES VAULT - MAKE SURE YOU HAVE VAULT INSTALLED!");
        }
        getLogger().info("MindItKitPvP has been enabled!");
        getServer().getPluginManager().registerEvents(this, this);
    }

    @EventHandler
    public void onDeath(PlayerDeathEvent e) {
      Entity killer = e.getEntity().getKiller();

      World world = Bukkit.getWorld("KitPvP");

   if(killer.getWorld().equals(world)) {
      if ((killer instanceof Player)) {
        Player player = (Player)killer;
        economy.depositPlayer(player.getName(), 3.0D);
      }
   }
 }

    public boolean onCommand(CommandSender sender, Command cmd, String commandLabel, String[] args) {
        if(sender instanceof Player) {
            Player player = (Player) sender;
              if(commandLabel.equalsIgnoreCase("KitPvP")) {
                  player.sendMessage(ChatColor.RED + "Incorrect Ussage! Do /KitPvP <Kit> Type /KitHelp for a list of commands!");
                    if(args[0].equalsIgnoreCase("PvP")) {
                         String playername = player.getName();

                         ItemStack helm = new ItemStack(Material.GOLD_HELMET);
                         ItemStack chest = new ItemStack(Material.CHAINMAIL_CHESTPLATE);
                         ItemStack leg = new ItemStack(Material.GOLD_LEGGINGS);
                         ItemStack boots = new ItemStack(Material.CHAINMAIL_BOOTS);

                         ItemStack sword = new ItemStack(Material.IRON_SWORD);
                         ItemMeta meta1 = sword.getItemMeta();
                         meta1.setDisplayName(playername + " Sword");

                         ItemStack bow = new ItemStack(Material.BOW);
                         ItemMeta meta2 = bow.getItemMeta();
                         meta2.setDisplayName(playername + " Bow");

                         ItemStack arrow = new ItemStack(Material.ARROW);
                         arrow.setAmount(64);

                         player.getInventory().clear();

                         player.sendMessage(ChatColor.RED + "You have chosen the PvP Kit!");

                         player.setItemInHand(sword);
                         player.getInventory().addItem(helm);
                         player.getInventory().addItem(chest);
                         player.getInventory().addItem(leg);
                         player.getInventory().addItem(boots);
                         player.getInventory().addItem(bow);
                         player.getInventory().addItem(arrow);

                         return true;
                    }
                       if(args[0].equalsIgnoreCase("Archer")) {

                             String playername = player.getName();

                             ItemStack helm = new ItemStack(Material.LEATHER_HELMET);
                             ItemStack chest = new ItemStack(Material.CHAINMAIL_CHESTPLATE);
                             ItemStack leg = new ItemStack(Material.GOLD_LEGGINGS);
                             ItemStack boots = new ItemStack(Material.LEATHER_BOOTS);

                             ItemStack sword = new ItemStack(Material.STONE_SWORD);
                             ItemMeta meta1 = sword.getItemMeta();
                             meta1.setDisplayName(playername + " Sword");

                             ItemStack bow = new ItemStack(Material.BOW);
                             ItemMeta meta2 = bow.getItemMeta();
                             meta2.setDisplayName(playername + " Bow");

                             bow.addEnchantment(Enchantment.ARROW_INFINITE, 1);
                             bow.addEnchantment(Enchantment.ARROW_DAMAGE, 2);

                             ItemStack arrow = new ItemStack(Material.ARROW);
                             arrow.setAmount(1);

                             player.getInventory().clear();

                             player.sendMessage(ChatColor.RED + "You have chosen the Archer Kit!");

                             player.setItemInHand(sword);
                             player.getInventory().addItem(helm);
                             player.getInventory().addItem(chest);
                             player.getInventory().addItem(leg);
                             player.getInventory().addItem(boots);
                             player.getInventory().addItem(bow);
                             player.getInventory().addItem(arrow);

                             return true;
                       }
                         if(args[0].equalsIgnoreCase("Help")) {
                             player.sendMessage(ChatColor.GREEN + "Commands: /KitPvP <Kit> - Chooses a kit - /KitPvP Kits - Displays all kits and kits you can buy - /KitPvP Buy<Kit> - Buys the selected kit!");
                             return true;
                         }
                           if(args[0].equalsIgnoreCase("Kits")) {
                               player.sendMessage(ChatColor.GREEN + "Your Kits: PvP, Archer");
                               return true;
                           }
              }
        }
        return false;
    }

}