WooCommerce Spezifische Benutzerregistrierungsfelder 2.1.3

v2.1.3
* Update - Tested & updated compatibility with latest WooCommerce versions.

v2.1.2
* Fix - Fixed bug with file uploads.
* Fix - Fixed error due to unseralize.

Fix - Fixed fields not showing on my account page.

* Fixed Security Vulnerabilities.

* Fixed typos.