Hello, I am having problems with the PayPal Express Checkout plugin.  When I click the "Secure Checkout" button, select the toggle button next to the images of the credit cards, then click the "Continue" button, I receive the "Many thanks for your order.  The order status is currently pending..." message without being prompted for credit card information.  I have verified that my API settings are correct and when I select the "Check out with PayPal button", it seems to work correctly.  I've tri