* Refactor UserManager to use Datastore
* Rename lib.User to UserDetails also adds to/fromUserDetails
* Fix existing tests
* Add user class tests
* Add tests for finaliseUsers
* Move HostDetails to own file with tests
* Move InstanceDetails to its own file with tests
* Rename HostInfo and add tests
* Rename InstanceInfo and add tests
- Also changes the names of the host properties related to instances
- Also removes the need to specify the location of InstanceInfo
* Make json round trip test validate schema
* Add InstanceManager
* Fix lint errors
* Extra tests
* Add final test coverage
* Add one last test to InstanceManager
* Response to comments
* Use generator rather than return anonumous generator
Co-authored-by: Hornwitser <github@hornwitser.no>
* Fix lint issue with generator
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Co-authored-by: Hornwitser <github@hornwitser.no>
