* Changed how gitlab-group is parsed, from string to []string
See #637
* Point out that gitlab-group can be a list
See #637
* Reflect to the []string change on pkg/apis/options/options.go
See #637
* Move cfg option gitlab_group to gitlab_groups
See #637
* Renamed Group to Groups
See #637
* Reflect the change on gitlab.go as well
See #637
* Added #639
* Added the author of #639 to the CHANGELOG
* Add the gitlab_groups env change to CHANGELOG.md
See #639
Co-authored-by: Joel Speed <Joel.speed@hotmail.co.uk>
Co-authored-by: Joel Speed <Joel.speed@hotmail.co.uk>
