Very simple UI descriptions texts parser

	var ui_parser = require('nano-ui-parser');

	var tree = ui_parser(text);

	console.log(tree.toString());

Returns Directive class tree

• id {String}
• args {String}
• children {Array} of the same class children objects. When object hasn't children its filled with undefined value.

Returns array of nodes ids from top-root node to this.

• function callback(node, id, args)
  • node {Directive}
  • id {String} node id
  • args {String} node arguments

# comment
root arguments
// comment
  sub-element-1 ererw -> werwer
    sub-sub-element-1 there is any text can be arguments
    sus-sub-element-2
-- comment
  sub-element-2
    sub-sub-element-1