Code review

[alelb]

In order to release a beta version, here there is a list of task to be completed:

• [x] complete server handlers - 0

• [x] API validation - 1

• [x] compare password - 2

• [ ] change password + enabling/disabling it - 3

• [x] check pagination and sorting - 4

• [x] error handling (validators, API) - 5

• [ ] complete unit test

• [ ] test harness (API) (#69)

• [ ] test concurrency

• [ ] setup CI + coverage

• [ ] PATCH (optional)

• [x] CLI (commands, flags)

• [ ] root search (POST)

• [ ] etag

• [ ] enabling/disabling filtering

• [ ] enabling/disabling sorting

@leodido, @leogr, @samechelon feel free to add/remove tasks to/from this list.

[leodido]

In bold priorities.

[leogr]

A minimal PATCH implementation would be nice, that helps the "change password" implementation.