Issue #919: Enable IEventStore to load events up to a given sequence number

[SeWaS]

Hello 👋

As mentioned in issue #919 , let's enhance the event store API to be able to load events which are within a given sequence-number range of the targeted aggregate.

If this PR could help, just let me know when things are missing, docs have to be adjusted or if any more tests are required. Would be happy to adjust.

Cheers

[CLAassistant]

All committers have signed the CLA.

[kyle-bradley]

Great feature! Especially when it comes to debugging.

One suggestion would be to extend this functionality to the rebuilder. That way, you can get your write & read state to a certain point in time.