M Valla

@lolodomo I put under your attention also this PR : it has waited now for quite long. Can also this one be reviewed to be added to 4.2? as some...

@lsiepel this PR has been waiting for some months now. It was already submitted before 4.1. was out. Apparently many files are changed (19), but that is because of a...

@lsiepel : I have complete all requested changes and did a final check/run/test. I think this can be merged now! Thanks!

> Are you sure you tested the latest iteration as the build failed. I added one more null check (corner case), but hten the build failed for style check. Now...