Hey thanks for the feedback @Graou74! Apologies for the delayed reply. I was pretty engrossed in something else and couldn’t break away to check in on the forum until now.
So sorry. That was a failed experiment with a private remote repository to host some support libraries. Turns out it was too private. To where mrJar worked only on my machine. I hate when that happens! 
But I’ve deleted the private v0.0.14 from Gradle’s plugin repository, and just now replaced it with the fully-working public v0.0.15. Would love to get more feedback from ya, Graou74! TIA 