def attributes
      (@original_attributes||{}).merge(@attributes).keys.inject({}) do |hash, key|
        hash[key] = read_attribute(key)
        hash
      end
    end
def attributes
      (@original_attributes||{}).merge(@attributes).keys.inject({}) do |hash, key|
        hash[key] = read_attribute(key)
        hash
      end
    end
Returns a hash of attributes.