Support GraphiQL introspection query + upgrade hhvm

v0.10

format

Fix for generated schema + better error messages

• Option to surface internal errors
• Do not include __schema and __type in query fields, per spec: https://spec.graphql.org/June2018/#sec-Schema-Introspection

Fix issue with querying fields on a specific type that implements an interface

#111

Fix issue with `POSSIBLE_TYPES`

#108

Fix issue with introspection

We had hard coded the test schema for introspection. This release fixes that so you can introspect any schema.

A lot of changes :)

Cutting a new release with a lot of changes including:

• Initial validation rules
• Pagination support
• Introspection

Don't output __Private values in codegen

v0.4

Move Variables out of private namespace since they get used in codegen

A bunch of features that make this a better MVP

Still very early but we've added support for:

• Enum outputs/inputs
• List outputs/inputs
• Nullable fields
• Better response types with errors

and a lot more!

Bump deps

v0.2

Update deps

MVP

Merge pull request #2 from mwildehahn/codegen

Initial pass at supporting codegen