Catch up with jschon 0.9 API breaking changes

• Scope renamed to Result

v0.1.0

Add 'remove additional props' processor

Update for jschon 0.8 API changes

Fix jschon 0.8 compatibility (#7)

* AnyJSONCompatible -> JSONCompatible
* Spruce up type annotations

v0.0.3: Fix handling of local $refs (#3)

Fixing handling of $ref to a local schema.

v0.0.2

Make doc/schema args & CLI more explicit

v0.0.1

Initial commit