code: def node_mustNotInclude(self, al_mustNotInclude, ab_reset=False):
              
              if ab_reset:
                  self.snode_current.l_mustNotInclude = al_mustNotInclude[:]
              else:
                  l_current   = self.snode_current.l_mustNotInclude[:]
                  l_total     = l_current + al_mustNotInclude
                  self.snode_current.l_mustNotInclude = l_total[:]
docs: Either appends or resets the <mustNotInclude> list of snode_current
              depending on <ab_reset>.