Neo4j GraphQL Library 2.0.0-alpha.4

Whats Included?

1. #339
2. #334
3. #329 - Count Queries
4. #340
5. #325

Alongside the latest changes to master.

Notes

This PR includes further improvements based on the feedback given around the alpha plus a new feature being count queries. Thanks to community member @dmoree for your PR's in this release and also a shoutout to the rest of you for providing feedback.