* Start work on modular sync systems
* Add experimental lockstep sync system, close#69
* Refactor RedisMessageType enum
* Fixup lockstep syncing
* Bump to 3.1
* Update docs with details about the new Sync Modes
* Sync mode config key is `mode` instead of `type`
* Add server to data snapshot overview
* API: Add API for setting data syncers
* Fixup weird statistic matching logic