code: function done( error, results, info ) {
  			error = error || null;
  			results = results || null;
  			info = info || null;
  			clbk( error, results, info );
  		}
docs: FUNCTION: done( error, results, info )
  Callback invoked after query completion.
  
  @private
  @param {Error|Null} error - error object
  @param {Object} results - query results
  @param {Object} info - response info
  @returns {Void}