public void AddXP(string channel, string user)
        {
            XElement XP = XElement.Load(@"Data\XP.xml");
            string NewXP = null;
            string NewLvl = null;
            string Lvl = null;
            foreach (XElement ele in XP.Descendants(GetTopic(channel, user)))
            {
                NewXP = Convert.ToString(Convert.ToInt32(ele.Attribute("XP").Value) + 2);
                NewLvl = Convert.ToString(Math.Floor(0.18 * (Math.Sqrt(Convert.ToInt32(NewXP))) + 1));
                Lvl = ele.Attribute("Lvl").Value.ToString();
            }
            XDocument AddXP = XDocument.Load(@"Data\XP.xml");
            XElement users = AddXP.Element("users").Element(GetTopic(channel, user));
            users.SetAttributeValue("XP", NewXP);
            if (Convert.ToInt32(NewLvl) > Convert.ToInt32(Lvl))
            {
                users.SetAttributeValue("Lvl", NewLvl);
            }
            AddXP.Save(@"Data\XP.xml");
        }