Currency codes

Hi,

I am based in New Zealand and when I go to your demo and select USD from the sidebar both prices do not display currency code (no USD and no NZD), only $ signs. When i select CAD from the sidebard only CAD is display but no NZD next to the approximate price. Can this be configured? Also we use https://www.checkout-x.com/ as our payment gateway, would your plugin work with it ? Thanks