function pp(object){
	switch ($type(object)){
	case 'object':
		object = $H(object);

		var h = '{ ';
		object.each(function(value, key){
			h += '{key}: {value}, '.substitute({key:key, value: pp(value) })
		})
		h += ' }'
		// var h = '<table>';
		// object.each(function(value, key){
		// 	h += '<tr><th> {key} </th><td> {value} </td></tr>'.substitute({key:key, value: pp(value) })
		// })
		// h += '</table>'
		return h

		break;
	case 'array':
		object = $A(object);

		var h = '[';
		object.each(function(value, key){
			h += '{value}, '.substitute({value: pp(value) })
		})
		h += ']';
		return h

		break;
	case false: return 'false'; break;
	case 'string':
	case 'number':
	case 'boolean':
	case 'date':
	default: return object.toString();
	}

};