code: function copy (item) {
                      var copy;
                      if(!item) return item;
  
                      switch (typeof item) {
                          case 'string':
                          case 'number':
                          case 'function':
                          case 'boolean':
                              return item;
  
                          default:
                              if(item instanceof Array) {
                                  return item.slice(0);
                              }
                              else {
                                  copy = {};
                              }
                      }
  
                      libs.object.every(item, function (o, k) { copy[k] = o; });
                      return copy;
                  }
docs: Creates a shallow copy of 'item'.
  @param {*} item The item to shallow "copy".
  @return {*} A shallow copy of the item.