yaml-parser

Similar to the Email validator.

Here's a piece of a request definition in one of my source files:

      - name: date
        description: The date
        in: path
        required: true
        schema:
          type: string
          format: date
        example: 2019-12-25

And here's the same section after merging with yamlinc:

        - name: date
          description: The date
          in:

In #139 @christiansiegel wrote:

Some things we might look into before releasing on PyPI:

• support and tests for more than one python version (currently only 3.8 is used in the docker build/test; I think even 3.7 doesn't work at the moment)
• support windows (currently the temporary directory for git checkout is hardcoded to /tmp)
• add proper error message if there is no git ins