code: function(id, callback) {
              var url = '/resources/' + ProcessrUtil.encodeURIComponent(id);
              return processr._request('GET', url, null, callback);
          }
docs: Get a resource
  
  @param  {string}     id                  The id of the resource that should be retrieved
  @param  {Function}   callback            Standard callback function
  @param  {Error}      callback.err        The error object as returned by the REST API. If no error occurred, this value will be `null`
  @param  {Object}     callback.data       The data as returned by the REST API. If the request errored, this value will be `null`