Overview:
  This resource applies the standard collection pattern to members of groups.

Method GET:
  List all the members of the group.

  Query Arguments:
    resolve_names=<boolean>
      Resolve names of personas.
    limit=<integer>
      Return no more than this many results at once (see resume).
    zone=<string>
      Filter group members by zone.
    provider=<string>
      Filter group members by provider.

Method POST:
  Add a member to the group.

  Query Arguments:
    zone=<string>
      Filter group members by zone.
    provider=<string>
      Filter group members by provider.

