v1.3.1

1.3.1 (2022-07-03)

Features

• add qrcode to GET page (81df1d8)
• initial GET /key totting up, thanks to Robin's example (452bd0e)

Bug Fixes

• datetime validity checks (566cbf6)
• GET page embed background (8fe1200)
• honor spring-version in client request (3c84083)