Version 2.1.0

Hi Prestashop Team,

here is the latest Version for the module.
New Features:
- Refund within the Prestashop administration(Orderdetails)
- Preauthorization / Capture
 * Create a preauth instead of an Transaction and charge the customer later(Orderdetails)
- Added compatibility to EU-Legal module
- Added Upgrade script

best regards,
Stefan
You don't need ```$db->escape(...)``` here, because you have already escaped your variable with [(int) line 130](https://github.com/PrestaShop/pigmbhpaymill/pull/16/files#diff-d4aea4bf70250912d5a56f1daa4b49d5R130)