PayPal Recurring Payments - Next Payment Date

Hi,

I have added recurring payments to the PayPal Payflow Pro module. Under recurring payments (/Admin/RecurringPayment/List), my next payment date never updates. It is the same as the date the payment was created.

My code is here:

http://pastebin.com/AEXcG0Eg

Is there a place in my code where I add 30 days? All my payments are monthly.

Even though my payments are successfully created once a month at PayPal, I see no records under the payment history table. Am I missing a step in this integration?