code: function (keyOrMap, value) {
  				if (typeof keyOrMap === typeObj) {
  					for (var key in keyOrMap) {
  						if (hasOwn.call(keyOrMap, key)) {
  							set(nucleus, key, keyOrMap[key]);
  						}
  					}
  				} else {
  					set(nucleus, keyOrMap, value);
  				}
  				return me;
  			}
docs: Set value for a key, or if `keyOrMap` is an object then set all the keys' corresponding values.