code: public String urlForPage(int pageNum) {
  		WaybackRequest wbRequest = getWbRequest();
  		return wbRequest.getAccessPoint().getQueryPrefix() + "query?" +
  			wbRequest.getQueryArguments(pageNum);
  	}
docs: Create a self-referencing URL that will drive to the given page,
  simplifying rendering pagination
  @param pageNum page number of results to link to.
  @return String URL which will drive browser to search results for a
  different page of results for the same query