added 'StoredDataAuthorize' and 'StoredDataPurchase' methods with tests
Merge remote-tracking branch 'upstream/master'
removed stored data requests classes; added stored data API calls to authorize/purchase methodsm; updated tests
removed set/get CreditType, added translator method
Merge remote-tracking branch 'upstream/master'
removed unneccessary check of variable
Merge pull request #53 from mrafalko/master

NetBanx. StoredData API methods