IDsFromUsers collects all user IDs from a slice of users.

TODO: properly handle errors in this function.

LoadGitLabTemplate finds and loads the GitLab template from the working git directory Follows the format officially supported by GitLab https://docs.gitlab.com/ee/user/project/description_templates.html#setting-a-default-template-for-issues-and-merge-requests.

OverrideAPIProtocol sets api protocol for host to initialize http client.

ParseAssignees takes a String Slice and splits them into 3 Slice Strings based on the first character of a string.

UsersPrompt creates a multi-selection prompt of all the users above the given access level for the remote referenced by the `*glrepo.Remote`.

GroupMemberLevel maps a number representing the access level to a string shown to the user.

SilentError is an error that triggers exit Code 1 without any error messaging.

FlagError is the kind of error raised in flag processing.

UserAssignments holds 3 slice strings that represent which assignees should be added, removed, and replaced helper functions are also provided.