code: public static ArrayList<ResultsPartition> get(CaptureSearchResults results,
  			WaybackRequest wbRequest) {
  		return get(results, wbRequest, null);
  	}
docs: Determine the correct ResultsPartitioner to use given the SearchResults
  search range, and use that to break the SearchResults into partitions.
  @param results
  @param wbRequest
  @return ArrayList of ResultsPartition objects