version 0.2.5 release
Switches Factory.getClient calls to Factory.execute (closes #16)

This allows consolidation of acquisition and release
Switches Broker.acquire to not use promises (closes #17)

Promise now handled in Factory.execute
version 0.2.6 release
Merge pull request #18 from brandoncarl/refactor/client-execute

Updates execution methodology to minimize promises (and prevent execution delays)