Adyen Release v1.4.0

FIX Allow special characters for cardholder name
FIX Fix the warning Warning: Invalid argument supplied for foreach() in /home/users/ivn-dev/public_html/content/plugins/woosa-adyen/includes/service/class-service-checkout.php on line 163
FIX For products with price 0 the tax is calculated wrongly
FIX Let WooCommerce to mark the order status as Completed for virtual & downloadable products
TWEAK Stop sending remote requests if the last response is 401 unauthorized
TWEAK Upgrade Adyen Web component from v4.4.0 to v4.8.0
FEATURE New setting option for each payment method to define a custom icon