Getting ready for Beta!

Brand new parser, way faster than the previous one and 16x faster than the original gem
Subscriptions are now available using ActionCable
Sources are now built on demand
A nice backtrace display for when things go wrong
Methods to validate and compile queries for tests and in preparation for a strict mode feature
Simple way to provide data to requests for both testing and reusage
Alternatives are now available: fields can be defined in a standalone class, or in groups, apart from where they will actually live
Support for persisted queries and several caching features
Support to ActiveRecord running MySQL
Fields description can now be defined on I18n
Way better integration with Zeitwrek. Now the graphql folder is 100% compliant with reloader, even though it has its particular structure
Everything now is compliant with GlobalID, which means that GraphQL objects like fields and directives can be sent to ActiveJob and other places in a serializable way
TypeMap versioning, so that the application can be updated without tearing down GraphQL
Lots of performance improvements

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