feat: supports new caught up and fell behind events.#413

w1am merged 2 commits intomasterkurrent-io/KurrentDB-Client-NodeJS:masterfrom

DEVEX-303-node-js-client-caught-up-and-fell-behind-messages-now-include-timestamp-position-and-revisionkurrent-io/KurrentDB-Client-NodeJS:DEVEX-303-node-js-client-caught-up-and-fell-behind-messages-now-include-timestamp-position-and-revisionCopy head branch name to clipboard