I fixed a bug in the async queue processing. The recursion in the #process method has the potential to cause a stack overflow if the queue is large. Using #nextTick resolves this issue.
Thanks for the great library.
Fixed a bug where queue processing could cause a stack overflow.
* Use #nextTick instead of recursively calling #process.
had same issue please pull. (note: also if using push with async callback).
Now fixed elsewhere.