Michel Tresseras

Forgot parenthesis Edit: For more context, I know the gramma works without parenthesis, but this form or writing isn't recommended by the community : omitting and not omitting parenthesis are...

I find [decorator.js](https://github.com/nnupoor/js_designpatterns/blob/master/decorator.js) particularly difficult to read. Maybe consider using more explicit and relatable names for variables and functions across files ? Please le me know if you would like...

"francs", "marks" and "krones" aren't in use in France, Germany and Denmark since 2002. I would suggest replacing the API source from [Kund nu](http://currencyconverter.kund.nu) to [http://fixer.io/](http://fixer.io/)