- the connections between the intermediate language and the "bag"

- the connections between the intermediate language and the "bag"
kernel were missing
- the connections between the intermediate language and the "bag"
kernel are now tail recursive
- the dtd now declares the "level" attribute
- some "assert false" removed in crg
- xml exportation of the data processed by the "bag" kernel is now
available
- the "bag" kernel now uses Entity names rather than identifiers