New API for CardPayments

New documentation - https://doc.trustpay.eu/

Fix amount - force number format in setter

2.0.4

format amount in setter

Change number validation

Merge pull request #1 from mbystricky/master

Amount number formatting

2.0.2

Fix CardID

Refactor CTY parameter to CardTransactionType Enum as constats

2.0.1

refactor CTY to CardTransactionType Enums

Change API and add CardOnFile, Refund ability...

2.0.0

fix paymentType of paymentWithCardStoring

Add documentation

1.0.1

add readme + fix secret to notification

First release

1.0.0

change stability