code: function getNextPage() {
      var send_object = {
          "results":  {},
          "numMatches": 0,
          "foundMaximum":  foundMaximum,
          "exceedsMaximum":  exceedsMaximum
      };
      if (!savedSearchObject) {
          return send_object;
      }
      savedSearchObject.startFileIndex = lastSearchedIndex;
      return doSearch(savedSearchObject, true);
  }
docs: Gets the next page of results of the ongoing search
  @return {Object} search results