// baseNode - the node holding the group to take the set from
// excludeNode - the node to use as a set of black list operators to remove
public NotTreeNode(BinaryTree <T> baseNode, BinaryTree <T> excludeNode)
{
}
public AndTreeNode(BinaryTree <T> left, BinaryTree <T> right)
{
m_left = left;
m_right = right;
}