* WIP
* Add get user_roles and apply for a user_roles spec to fleetctl
* Uncomment other tests
* Update test to check output
* Update test with the new struct
* Mock token so that it doesn't pick up the one in the local machine
* Address review comments
* Fix printJSON and printYaml
* Fix merge conflict error
* If both roles are specified, fail
* Fix test
* Switch arguments around
* Update test with the new rule
* Fix other tests that fell through the cracks
1. use [staticcheck](https://staticcheck.io/) to check the code, and fix some issues.
2. use `go fmt` to format the code.
3. use `go mod tidy` clean the go mod.
