Removed original Mollie class, no longer used.
Added Dutch Payment Group documentation.
Added documentation to the Mollie class vars.
Improved the iDEAL Basic listener class.
Add gateway parameter to the URL's.
Add gateway to the return URL.
Added some spacing.
Added gateway parameter to return URL.
Improved iDEAL Advanced v3 return handler.
Added some return handler functions.
Display errors on tests pages.
Added iDEAL advanced return handler class.
Added PayDutch class.