FEATURE: Paypal- Instant Setup, And Other Improvements

Added Instant Paypal Setup for a faster, easier way to setup Paypal.
Added declined reason to Order Edit if a Paypal transaction declines.
Added Tracing for grabbing request/response data from Paypal for research.

Now to setup Paypal, just enter the email address a merchant wants to receive payments at and they can immediately start accepting them, even if they don’t currently have a paypal account setup.
When the first sale comes in, they are instructed by Paypal (at the merchant address) to setup a Paypal account to claim their funds. When they do that, they can 'authorize' AmeriCommerce for future transactions to be approved.
This removes the need for a Paypal API username, password and signature, dramatically simplifying the steps needed to set up an account. In it's simplest form you just enter an email and it's live.

Paypal Setup Before

Paypal Setup After- Instant setup