public void IgnoreRevision (WebServiceLogin login, int lane_id, int host_id, int revision_id)
		{
			using (DB db = new DB ()) {
				VerifyUserInRole (db, login, Roles.Administrator);
				db.Audit (login, "WebServices.IgnoreRevision (lane_id: {0}, host_id: {1}, revision_id: {2})", lane_id, host_id, revision_id);
				db.IgnoreWork (lane_id, revision_id, host_id);
			}
		}