4.8.2 and 4.8.3 contain just small fix for legacy ...

# kvision

[Robert Jaros]

4.8.2 and 4.8.3 contain just small fix for legacy backend and tabulator data model. I'm still working on 5.0 and I plan to publish new version after Kotlin 1.5.21 is released (1.5.20 has critical bug and the project doesn't compile).