3.1.6

• Fix #515

3.1.5

• Fix #513

3.1.4

:hankey: Imporve AES_KEY validation.

2.1.41

• Fix #506

2.1.39

• OpenSSL required.

3.1.3

• Add backers.
• Add Request Getter and Setter. #485 for server Guard.
• Fix card member API bug.
• Cache custom prefix support.
• Add PHPLint check.

3.1.2

• Card API ready. #464 感谢 @wangniuniu

2.1.38

Typo. (#460)

3.1.1

• Fix order refund typo.

3.1.0

• New Staff API.