docs: function(namespace, config) {
          if ( typeof(config) == "undefined" )
              var config = self.getSync(app);
  
          if (config != null) {
              var split = namespace.split('.'), k=0;
              while (k<split.length) {
                  config = config[split[k++]]
              }
              return config
          } else {
              return null
          }
      }