-  data_dump(:Id, +Range, -Table) is det
 - Table is a list of rows in the indicated range. This cooperates with
the table rendering to produce a data table. Range is one of:
- all
 - All rows from the data are included. Be careful if these
are many as it is likely to make your browser very slow.
 
- From - To
 - List the (1-based) rows From to To
 
- Count
 - If Count >= 0, list the first, else list the last
Count rows.