Schemathesis

- e16d42a Remove unused imports

:package: Other

- 4a217d8 Use `result.verbose_name` unconditionally in `display_subsection`
- b0ca226 Use `cls` in class methods instead of concrete classes

:package: Other

- 47813ef Improve the way internal events are handled in CLI

- 9a6cc1d Return `response` from `case.call_and_validate`

- 7ed2306 Convert all `FailureContext` class attributes to instance attributes
- b6b3c59 Add `SerializedCase.cookies`
- 01064a7 Add API schema to the `Initialized` event
- 6fad51c `ExecutionEvent.asdict` adds the `event_type` field which is the event class name

- a9fbccd Add `EventStream.finish` method
- 250c20e Avoid ``pytest`warnings when internal Schemathesis classes are in the test module scope

:package: Other

- 3d5d093 Update GraphQL docs
- 9fcad07 Fix RST syntax

- 622a1c9 Improve `APIOperation.make_case` behavior
- 4d08fd2 Bump `hypothesis-jsonschema` version
- 37b1000 Python values of `True`, `False` and `None` are converted to their JSON equivalents when generated for path parameters or query
- 0b90566 Raise `UsageError` if `schema.parametrize` or `schema.given` are applied to the same function more than once

:package: Other

- 12b0049 Disable deadline for occasionally slow tests