ebryn/backburner.js — pull request #10 by tricknotes (2013-05-13 16:59:55+00:00)
Title: Fix to release `laterTimer` and `laterTimerExpiresAt`

The test for `setTimeout` is often gone away.
This cause is that `laterTimer` is left but tiemr is not schedueld.

In my local FireFox 20.0, this test couldn't finish at a rate of 20 ~ 30.