func (c *Client) GetNodeTree() *node.Tree {
	return c.NodeTree
}
GetNodeTree returns the NodeTree.
package acd
import "gopkg.in/acd.v0/node"
func (c *Client) FetchNodeTree() error {
	nt, err := node.NewTree(c, c.cacheFile)
	if err != nil {
		return err
	}
	c.NodeTree = nt
	return nil
}