code: function(z, id){
  		if(id === undefined){
  			return
  		}
  		var typeCode = z.objectState.getObjectType(id)
  		//console.log('type of ' + id + ' is ' + z.schema._byCode[typeCode].name)
  		return z.schema._byCode[typeCode].name
  	}
docs: /*computeAsync: function(z, cb, id){
  if(id === undefined){
  cb(undefined)
  return
  }
  var typeCode = z.objectState.getObjectType(id)
  console.log('type of ' + id + ' is ' + z.schema._byCode[typeCode].name)
  cb(z.schema._byCode[typeCode].name)
  },