Update to Laravel 5.5 auto package discovery

Updated Tpv.php, set new methods: setPan, setExpiryDate ans SetCVV2

Finish 1.1.2

Finish 1.1.1

Updated to 5.2 - 5.3

Updated Tpv.php [Added new option in setAttributesSubmit]

Added-new-method-parameters

- Added in config.php new parameter (key)

- New method for convert correctly price.

Changes in README 1.0.2

Finish 1.0.1