disabling cache; it's not really necessary.

tunnelbroker/consts.go

@@ -1,7 +1,7 @@
 package tunnelbroker
 
 const (
-	wanIpUrl string = "https://c4.r00t2.io/ip"
+	wanIpUrl string = "https://c4.r00t2.io/"
 	// https://forums.he.net/index.php?topic=3153.0
 	// If no TID is provided, all tunnels are returned.
 	/*
@@ -19,5 +19,6 @@ const (
 		If left off, it defaults to client IP (as seen by the webserver).
 	*/
 	updateIpParam string = "myip"
-	noTunBody     string = "No tunnels found"
+	// respons messages
+	tunRespNoTuns string = "No tunnels found"
 )