If you’ve got a Citi card and a PayPal account, you’ll soon have more choices as to how you’ll pay for things. That’s because Citi and PayPal have partnered to allow Citi cardmembers to use ThankYou Points at any online merchant that accepts PayPal as a method of payment. This new capability is not slated to launch until 2018, but it’s still an exciting development, and it’s only one of …