Postgres EventStore: WIP
Re add createNewUid method in mongodb event store
Fix postgres event store setup.
Escape strings before inserting them into the event store
Refactor event store interface
Use iterators in entity instantiator where possible
Ensure inner callback have returned in iterateOverX methods
Remove useless log in entity instantiator
Handle errors
Re-add log on error
Use logger warn level
Remove useless logs
Re add options arguments in replayAllEvents
Snap entity asynchronously
Snap entity asynchronously in instantiateFromEvents
Fix interface in base event store
Refactor entity instantiator and remove console.log
Fix fat arrow
Merge pull request #7 from Djengo/postgres

Iterators and postgres event store