This PR was created by Knope. Merging it will create a new release

Features

Support request body refs

You can now define and reuse bodies via refs, with a document like this:

paths:
  /something:
    post:
      requestBody:
        "$ref": "#/components/requestBodies/SharedBody"
components:
  requestBodies:
    SharedBody:
      content:
        application/json:
          schema:
            type: string

Thanks to @kigawas and @supermihi for initial implementations and @RockyMM for the initial request.

Closes #633, closes #664, resolves #595.

Fixes

• Indent of generated code for non-required lists. Thanks @sfowl! (fix: Indent of generated code for non-required lists. Thanks @sfowl! #1050)
• Parsing requestBody with $ref (fix: Parsing requestBody with $ref #633)