[enh] display the content of the EndlNode in repr mode
[enh] implement the find method
[enh] allow find to be recursive
[enh] like beautifulsoup, on __getattr__ do a .find
[enh] pass recurisve argument to node find in NodeList.find
[enh] a node indentifier also include type + '_' for case where type == 'import' for eg