Duo spider typos
field changes for DuoPoBranch.students_by_advice
Fixed typo
Merge pull request #10 from mdxs/patch-1

Fixed typo
Merge branch 'validation_refactor' of https://github.com/openstate/openonderwijsdata-api into validation_refactor

* 'validation_refactor' of https://github.com/openstate/openonderwijsdata-api:
  Generated API data documentation
  Added documentation in validation for owinsp and schoolvo
  Documentation inside validation, fixed some key name issues
  Generate API documentation from the validation schemas
  use comma delimiters in documentation tables
  All documentation tables in separate files
  Started validation refactor, let's see if we can generate documentation