Dear Ilaria,
Indeed, there was something with the override function not accepting the empty string for some reason. I’ve fixed it in the code directly, will include this in the next update of course, so it stays permanent. It should be working correctly now.
Yes, the select/deselect all feature is indeed very important, and it’s on the list for the upcoming updates – it had been requested many times. I’m working hard on the upcoming update, it’s going to be mostly around bugfixes and re-factoring old code parts + new API.
Best,Ernest Marcinko
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