Version 2.0.0

Rongo has reached Version 2.0.0, this is still in early stages and you may encounter bugs.
This change included:

• A complete rewrite of Rongo internals, updating them to match the current state of the MongoDB Data API
• Additional authentication types (API Key, Bearer Token and Email/Password)
• Added additional endpoints (Aggregate)
• Clearer and more detailed errors & error handling
• Bug fixes to common issues with 1.0.0

Bug fix / support for Data API v1 & beta

First Rongo release!