/// <summary>
/// Make sure this node is added to a parent before adding nodes to this node
/// </summary>
/// <param name="node"></param>
/// <returns></returns>
public void setChild(BTNode node)
{
node.blackBoard = blackBoard;
child = node;
}
/// <summary>
/// Make sure this node is added to a parent before adding nodes to this node
/// </summary>
/// <param name="node"></param>
/// <returns></returns>
public void addChild(BTNode node)
{
node.blackBoard = blackBoard;
childs.Add(node);
}