* SECURITY: Properly sanitizing and escaping user input.
* BUG FIX/ENHANCEMENT: Using pmpro_getClassForField() to set class attributes on field tags. (Thanks, Ted Barnett)
* BUG FIX/ENHANCEMENT: Added pmpro_checkout-field/etc classes to wrapping divs for field to match the core PMPro checkout fields and allow for easier styling. (Thanks, Mark Bloomfield)
* BUG FIX/ENHANCEMENT: Using trim() when checking name fields to disallow blank names.
* ENHANCEMENT: Make add-on translation ready. (Thanks, Thomas Sjolshagen)
* ENHANCEMENT: WordPress coding standards.
* FEATURE: Now showing the User Information section with name fields if a user is already logged in at checkout.