Change Allows Site admin to pull last price from this exchange.
Configuration example
$config['price']['enabled'] = true;
$config['price']['url'] = 'https://www.cryptopia.co.nz/';;
$config['price']['target'] = 'api/GetMarket/2274'; // API call to get market via market id of coin (api/GetMarket/{coin market id}
$config['price']['currency'] = 'BTC'; //
