Support api based migration of data between Quepid's

[epugh]

Description

Extend out the apis.

Motivation and Context

I have a Dev version of Quepid, and now a Prod version of Quepid. I have lots of Cases and Books and Users in the Dev version, and I don't have database access to Prod Quepid, so I need to get some data migrated.

How Has This Been Tested?

manual and tests.

Screenshots or GIFs (if appropriate):

Types of changes

• [] Bug fix (non-breaking change which fixes an issue)
• [] Improvement (non-breaking change which improves existing functionality)
• [] New feature (non-breaking change which adds new functionality)
• [] Breaking change (fix or feature that would cause existing functionality to change)

Checklist:

• [] My code follows the code style of this project.
• [] My change requires a change to the documentation.
• [] I have updated the documentation accordingly.
• [] I have read the CONTRIBUTING document.
• [] I have added tests to cover my changes.
• [] All new and existing tests passed.

[epugh]

Okay, all the little changes weren't getting us there. Adding new import/export endpoints for Books is much better.