Merge pull request #13 from betamos/master

Don't stop browsing after ~15min

client.go

@@ -368,6 +368,7 @@ func (c *client) periodicQuery(ctx context.Context, params *lookupParams) error
 	bo := backoff.NewExponentialBackOff()
 	bo.InitialInterval = 4 * time.Second
 	bo.MaxInterval = 60 * time.Second
+	bo.MaxElapsedTime = 0
 	bo.Reset()
 
 	var timer *time.Timer
@@ -381,11 +382,8 @@ func (c *client) periodicQuery(ctx context.Context, params *lookupParams) error
 		if err := c.query(params); err != nil {
 			return err
 		}
-		// Backoff and cancel logic.
+		// Backoff logic
 		wait := bo.NextBackOff()
-		if wait == backoff.Stop {
-			return fmt.Errorf("periodicQuery: abort due to timeout")
-		}
 		if timer == nil {
 			timer = time.NewTimer(wait)
 		} else {