Author here -- hi! :)
I just wanted to say thanks for sharing this, it made my day. I started ABS a couple Christmases ago as I had a week off and the constant thought that there's gotta be a "nicer" way to script things, without the verbosity of higher-level languages...and I'm happy to see folks finding ABS useful.
I haven't updated it in a couple of months as I find it pretty "complete" from my perspective, but I also have some crazy ideas every now and then that I know I'll want to throw into the language.
Again, thanks for giving ABS a try!
PS. I wanted to credit Thorsten Ball for his books, without them I would have never been able to build ABS: