2.2.2

Complete the ThreePartyRefundRequest

2.2.1

Skip vpc_SecureHash and vpc_SecureHashType params in SHA256 Hash Calculation

2.2.0

• Implement Migs refund.
• Switch from MD5 to SHA256 hashing.

v2.1.1

Move to the PHP League

v2.1.0

• PSR-4