Group members
Manage members of a group.
Prepare:
$group = new Bitbucket\API\Groups();
$group->setCredentials( new Bitbucket\API\Authentication\Basic($bb_user, $bb_pass) );
Get the group members:
$group->members()->all($account_name, $repo_slug);
Add new member into a group:
$group->members()->add($account_name, 'developers', 'steve');
Delete a member from group:
$group->members()->delete($account_name, 'developers', 'miriam');