private void loadWorldPlugins(ConfigurationSection config) {
        final ConfigurationSection worldSection = config
                .getConfigurationSection("worlds");
        try {
            for (String world : worldSection.getKeys(false)) {
                final List<String> pluginsList = worldSection
                        .getStringList(world);
                if (pluginsList != null && !pluginsList.isEmpty()) {
                    final HashSet<String> plugins = new HashSet<String>();
                    for(String p : pluginsList)
                    {
                        plugins.add(p.toLowerCase());
                    }
                    disabled.put(world.toLowerCase(), plugins);
                }
            }
        } catch (NullPointerException npe) {
            plugin.getLogger().warning(AmazoCommand.TAG + " World list empty!");
        }
        for (Map.Entry<String, HashSet<String>> entry : disabled.entrySet()) {
            for (String plugins : entry.getValue()) {
                plugin.getLogger().info(entry.getKey() + " : " + plugins);
            }
        }
    }