Evaluate Potential Improvements using Concurrent Ruby Gem

[ipublic]

Review Concurrent Ruby gem and identify components and features that will improve EventSource functionality. Prepare doc that recommends and prioritizes proposed development.

Aha! Link: https://ideacrew.aha.io/features/EVTSRC-10

[TreyE]

I think a good target for this would be the EventSource::Worker worker pool - and have implemented code to this effect for the new SNS/SMS service work (#127).

However, I'm leaving the old worker pool in place for now (it's used by the HTTP protocol implementation) while we examine the functionality of the pool in a limited production setting. Given the rather battle-tested nature of EventSource, I'm hesitant to change something that's already working until we know it to be rock-solid.

Note for future us: This comment was written for the gem as it was during the lifetime of the 0.6.0 release.