PM-767 : hide payments when a key is missing
PM-772 : implemented validateHolder
PM-773 : adjust wording
PM-771 : added handling for maestro
PM-769 : show cc brand within the inputfield
PM-775 : adjust inputfields
PM-775 : better error display
PM-775 : adjust displaying months
update lib
PM-774 : better errormessages for customers
PM-768 : implemented DB-logging
PM-768 : added custom controller & view for logging
PM-768 : added Loggingbutton in paymentconfiguration and improved view to look&feel of opencart
PM-768 : added search, connected search and  prepared code for paging
PM-768 : added paging, deleting entries. show details(wip)
PM-768 : added show details
PM-784 : added Pullrequest https://github.com/paymill/paymill-opencart/pull/2
PM-499 : implemented additional key validation
PM-775 : redesigned payment form
POC-13 : removed different amount & adjust translation