XKlass v1.29
Small update.
Slight amend to the allowed format of API data. It should be JSON, but some editors bring it back as plain text.
So now check for JSON, if that fails see if plain text data can be parsed as JSON
https://mega.nz/file/7NcCgJxL#ZmqvvTdB0owdb98KnWQZCW_EQugnD4VkxKhtKQHKwBk