Using corrected IP address

IP address being received had `:ffff` at the starting, it needs to be corrected before setting correct IP for node. Closes #99

lib/node.js

@@ -102,6 +102,9 @@ Node.prototype.setInfo = function(data, callback)
 
 Node.prototype.setGeo = function(ip)
 {
+	if (ip.substr(0, 7) == "::ffff:") {
+		ip = ip.substr(7)
+        }
 	this.info.ip = ip;
 	this.geo = geoip.lookup(ip);
 }