printCatalogue method

void printCatalogue ()

Prints the catalogue field, for debuggng purposes

Implementation 

void printCatalogue() {
  for (int i = 0; i < catalogue.length; ++i) {
    debugPrint(i.toString());
    for (int j = 0; j < catalogue[i].length; ++j) {
      debugPrint(
          '${catalogue[i][j].elementName} locallyChosen: ${catalogue[i][j].locallyChosenQuantity}, chosen: ${catalogue[i][j].chosenQuantity}');
    }
  }
}