v2.7.0

This release requires Ruby 2.2 and has breaking API changes
around custom error handlers.

Use Provided Connections in WorkerGroup

It is now possible to use a custom connection instance in worker groups.

Contributed by @pomnikita.

GitHub issue: #322

Worker Context Available to Worker Instances

Contributed by Jason Lombardozzi.

GitHub issue: #307

Ruby 2.2 Requirement

Sneakers now requires Ruby 2.2.

Bunny 2.9.x

Bunny was upgraded to 2.9.x.

Server Engine 2.0.5

Server Engine dependency was upgraded to 2.0.5.

Refactored Publisher Connection

Contributed by Christoph Wagner.

GitHub issue: #325

New Relic Reporter Migrated to the Modern API

Contributed by @adamors.

GitHub issue: #324

Configuration Logged at Debug Level

To avoid potentially leaking credentials in the log.

Contributed by Kimmo Lehto.

GitHub issue: #301.

Comment Corrections

Contributed by Andrew Babichev

GitHub issue: #346