v2.5.2 Fix bug cannot get transaction status

Fix bug:

• hotfix cannot get transaction status
• update base url

v2.5.1 - Temporary revert to stable version v2.4.4

• revert to stable v2.4.4 to avoid regression issue

Note: while waiting for v2.5.0 to be properly fixed to become stable for future release

v2.5.0 Add gopay tokenization & api subscription

Feature:
• Add gopay tokenization & api subscription feature
• Add API linkPaymentAccount, getPaymentAccount, unlinkPaymentAccount, createSubscription, getSubscription, disableSubscription, enableSubscription

Improvement:
• Add http method patch in ApiRequestor
• Add unit test for gopay tokenization & api subscription

v.2.4.3 Fix bug missing namespace in unit test class

Fix Bug:

• Fix missing namespace in unit test class
• Add autoload-dev in composer file

v2.4.2 - New some feature, new some api function, improve error handling

Feature:

• Add idempotency-key feature
• Add API registerCard, cardToken, cardPointInquiry, getStatusB2b, createSnapUrl

Improvement:

• Fix error handling
• Return exception when server-key is null, empty, contain white-space
• Refactor ApiRequestor.php (all API request, will process from this file)
• Add extension curl, JSON PHP require on composer file
• Refactor unit test

Notable changes:

• Deprecated SnapApiRequestor.php (no longer use, will delete this on the next major release)

Replace all deprecated method for PHP 7.4

Replace PHP 7 deprecated array_key_exists

Minor enhancement

• Replace PHP 7 deprecated array_key_exists
• Fix failing test

Add override & append notification url config

• Add override & append notification url config

Add direct refund API

• add direct refund API function
• add response getter on Notification class

Compatibility fix for PHP v7.4

Ensure full compatibility with latest stable version of PHP v7.4

• Replace deprecated array_key_exist() on object of PHP 7.4
• Add more PHP version to Travis CI test