* Integrated publickey import and removal in iosxr_user
* Fixed linting issues
* Added version added for publickeyfile option
* Added quotation marks to version, oops
* Added some integration tests, added some checks to prevent aggregate users with public keys.
* Added some integration test files
* Created mutually exclusive public_key and public_key_contents versions of config
* Modified tests to use both methods and test more logins
* Added supports for aggregates
* Incorporated provider auth
* Fixed some lint issues
* Fixed a YAML lint issue
* Implemented catches for unconfigured providers.
* Fixed catches, hopefully
* Another test
* Added groups support so you can add users to multiple groups
* Trailing whitespace
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