def reload
      @rdf_subject ||= self.class.nr_uri_from_headers(http_head)
      response = get(nil, true)
      self.content_type = response.env.response_headers['content-type']
      self.content = response.env.body
      self
    end
def reload
      @rdf_subject ||= self.class.nr_uri_from_headers(http_head)
      response = get(nil, true)
      self.content_type = response.env.response_headers['content-type']
      self.content = response.env.body
      self
    end
Reloads the record from its LDP URI, updates #content to the response body

 @raise (see Krikri::LDP::Resource#get)
 @return [OriginalRecord] self