2.0.0

Added

• Support for custom Application header ($api->setAppDetails($title, $version))
• Support for card entity ($card = $api->card->fetch($cardId))
• Support for Webhook and Order Signature verification:
  Razorpay\Api\Utility::verifyPaymentSignature(['razorpay_signature' => '', 'razorpay_order_id' => '', 'razorpay_payment_id' => ''])
  throws Razorpay\Errors\SignatureVerificationError if fails
• Support for direct refund creation via Razorpay\Api\Refund::create():
  $refund = $api->refund->create(array('payment_id' => $id))
• Support for Utility functions via Razorpay\Api\Utility::verifyPaymentSignature and Razorpay\Api\Utility::verifyWebhookSignature:
  verifyWebhookSignature($payload = '{requestbody}', $expectedSignature = 'X-Razorpay-Signature header')
  throws Razorpay\Errors\SignatureVerificationError if signature doesn't match
• Support for case insensitive error codes
• Support for 2xx HTTP status codes

Changed

• Razorpay\Api\Payment::refunds() now returns a Razorpay\Api\Collection object instead of Razorpay\Api\Refund object
• Razorpay\Api\Api::$baseUrl, Razorpay\Api\Api::$key and Razorpay\Api\Api::$secret are now protected instead of public
  Api::getKey() and Api::getSecret() are provided instead