2.0.0

Breaking Changes

• Visibility of properties $brandIdParameterKey and $secretKeyParameterKey of trait ApiCredentialsTrait changed from public to private

Added

• phpstan - static code analysis
• New script to composer.json file - 'test'
• Implement response message unit tests
• Implement request messages unit tests
• Add getter for httpMethod property

Changed

• Implement psr-4 autoload for tests
• Refactor initialize method of AbstractRequest class