• Log can be disabled by last parameter of NewEnforcer().
• Add DeleteRoleForUser(), DeletePermissionForUser(), HasRoleForUser(), HasPermissionForUser() into RBAC API.
• Support multi-element permission operations for RBAC API.
• Add HasPolicy() and HasGroupingPolicy() to management API.
• Multiple filters can be specified in GetFilteredPolicy(), RemoveFilteredPolicy(), RemoveFilteredGroupingPolicy() in management API.
• Return error from adapter's SavePolicy() and LoadPolicy().