Do not use functions as keys in timeouts hash

[diggabyte]

The timeouts object is using callback functions as the keys in the hash. The javascript interpretor invokes .toString() on the callback function because objects cannot be used as keys.

This means you end up with a key like so:

"function () {
        // TODO avoid leaking arguments
        // https://github.com/petkaantonov/bluebird/wiki/Optimization-killers#32-leaking-arguments
        if (onSuccess.apply(this, arguments)) {
          clearTimeout(timeoutID);
        }
    }"

The problem is that this is NOT a unique key, which can causes key collisions in the timeouts hash.

My proposed fix is to directly clear the timeout ID (which is unique) upon success.
Tests are passing for this change set.

On a side-note, it seems that the bin output does not match what is checked into master. I've updated those with this pull request as well.

[Fetz]

👍