Print/return the tree from the current node.

def lstree(self, astr_path=""):
            """
            Print/return the tree from the current node.
            """
            self.sCore.reset()
            str_cwd       = self.cwd()
            if len(astr_path): self.cdnode(astr_path)
            str_ls        = '%s' % self.snode_current
            print(str_ls)
            if len(astr_path): self.cdnode(str_cwd)
            return str_ls