code: public <I extends Object> PagingResponse<I> nextPage(final PagingQuery<?, I> query)
  			throws FreesoundClientException {
  		final int currentPage = query.getPage();
  		query.setPage(currentPage + 1);
  
  		return (PagingResponse<I>) executeQuery(query);
  	}
docs: Retrieve the next page of results for a {@link PagingQuery}.
  
  @param <I> The data type of items returned by the query
  
  @param query The {@link PagingQuery} being run
  @return The results of the query
  
  @throws FreesoundClientException If it is not possible to retrieve the next page