Merge pull request digitalocean#24 from digitalocean/snegrea/client_c…

…onstr

Create managers and producers with pre-configured Redis client

Merge pull request digitalocean#22 from digitalocean/snegrea/issue_21

Print all Redis errors except empty queue errors

Merge pull request digitalocean#20 from digitalocean/snegrea/issue_18

Make stats public and accessible via manager interface

Merge pull request digitalocean#15 from digitalocean/remove-global-state

Refactor to remove global state

Merge pull request digitalocean#14 from digitalocean/snegrea/fix_seti…

…nel_master

Required Redis master name configuration for Sentinel client setup

Merge pull request digitalocean#13 from digitalocean/strongly-typed-c…

…onfigure

Make Configure take an Options struct