Added:
 Countdown latch -- Tested
 Future -- Not completely tested
 SimpleDecoupler -- Not tested at all.
Merge remote-tracking branch 'origin/master' into development
Implementing and testing a decoupler.
Merge remote-tracking branch 'origin/development' into development
Implemented Decoupler:

1. Removed push to front of queue ability.

Add:

2. Exposed task control methods for open loop implementation.
3. Implemented close loop operation with graceful stop.
4. Implemented onFail callback.
5. Implemented onDrop callback when channel is full.
6. Added sensible defaults.

Tested.
Added further comment to source
Adding examples, and updating readme.
Updated README.mb

Added listeners and associated tests to CountdownLatch and Future.
Update README.md

Fixed formatting errors.
Updated copyright notice and added doc.go to packages.