code: function () {
                          var items = {};
                          angular.forEach(this._driver, function (value, key) {
                              if (this._namespace) {
                                  var prefix = this._namespace + this._separator;
                                  if (key.indexOf(prefix) === 0) key = key.substring(prefix.length);
                              }
                              if (this.has(key)) items[key] = this.get(key);
                          }, this);
  
                          return items;
                      }
docs: Return all items in storage within the current namespace/driver
  
  @public
  
  @return {Object}