[queue] [test] Failing tests for queue elements processing as expected
[queue] [test] Tests for asynchronous queue api
[queue] [refactor] Queue now uses explicitly asynchronous api
[queue] [test] [minor] Grammatical error in test description
[queue] [fix] Queue no longer processes another element after call to q.stop before stopping
[queue] Default callbacks for queue manipulation methods and required callback for process
[queue] [fix] Correctly add default queue error handler
[queue] Do not repeat jobs that yield an error
[queue] [fix] Pass the queue to and from autosave and repeat helpers