* netbox_device: Allow device modification
* Add ability to update and existing device
* Allow check_mode
* Fail when device name is missing
* Fail when cannot resolve ID instead of taking ID 1 by default
* netbox_device: Add diff output
* netbox: Some refactoring
* Add diff output and check_mode to netbox_ip_address
* Deduplicate redundant code into netbox_utils
* netbox_utils: A few unit tests
