Implement `null` literal
Spec: https://facebook.github.io/graphql/#sec-Null-Value, https://facebook.github.io/graphql/#sec-Input-Values RFC: https://github.com/facebook/graphql/pull/83
null is now considered a valid input value. We should take steps to parse null as a proper literal.
Waiting for the new release with this functionality !!!
What happened with this? It's sill alive?
The current development is going on in GraphQL-core 3. GraphQL-core 2 is not really maintained any more, and no new features will be added. Unless somebody volunteeers as maintainer of course. But note that GraphQL-core 2 is underlying a lot of other libraries such as Graphene 2, and care must be taken not to break them when adding new features or changing functionality.