I generally like this. One confusing thing is the ? operator, it seems to do opposite things inside and outside command blocks. And I think I spotted a small m

I generally like this. One confusing thing is the ? operator, it seems to do opposite things inside and outside command blocks. And I think I spotted a small mistake in https://hush-shell.github.io/intro/control-flow.html https://hush-shell.github.io/intro/control-flow.html where it's written "May be omitted if finished is false." which should be "... is true".