@Command(command = "resetmeta",
			description = "resets all metadata associated with MCNSAEssentials",
			permissions = {"resetmeta"})
	public static boolean resetMetaData(CommandSender sender) {
		// get all online players
		Player[] onlinePlayers = Bukkit.getServer().getOnlinePlayers();
		
		// loop through all players
		for(int i = 0; i < onlinePlayers.length; i++) {
			// remove all associated metadata keys
			for(String metaKey: metaKeys) {
				if(onlinePlayers[i].hasMetadata(metaKey)) {
					onlinePlayers[i].removeMetadata(metaKey, MCNSAEssentials.getInstance());
				}
			}
		}
		
		ColourHandler.sendMessage(sender, "&aAll metadata valuess cleared!");
		
		return true;
	}