code: public Tree remove(String path) {
  		Tree child = getChild(path, false);
  		if (child != null) {
  			child.remove();
  		}
  		return child;
  	}
docs: Removes the sub-node at the specified path. Returns the node that was
  removed. Samples:<br>
  <br>
  Tree removed = node.remove("path.to.node");<br>
  or<br>
  Tree removed = node.remove("array[3].subarray[2]");
  
  @param path
  path to a sub-node node
  
  @return removed child, or null