disabling cache; it's not really necessary.

tunnelbroker/funcs_httperror.go

@@ -0,0 +1,16 @@
+package tunnelbroker
+
+import (
+	`fmt`
+)
+
+// Error conforms an HTTPError to an error.
+func (h *HTTPError) Error() (errMsg string) {
+
+	errMsg = h.CodeStr
+	if h.Message != nil {
+		errMsg += fmt.Sprintf(":\n%s", *h.Message)
+	}
+
+	return
+}