Thank you for confirming they worked for you, I have to admit you're the first person I've heard back from so far... there are one or two updates I have to make and the sets I've been working on are more Town ones as my daughter likes those but more Space ones are on the list (though, from what I can tell, they suffer from a smaller number of regularly used blocks not being included yet :/ - the biggest problem is the tubular connector though, I think, looks like I'll have to exclude that one from all the sets it's in (along with the backhoe "snake" connector) which is a shame but even Stud.io has issues with it *shrug*
If you have any more sets I'd love to try them; I can add them to my github archive if you'd like though if you've got your own website I guess it doesn't make so much of a difference.
Share and enjoy ;)