dist.ini: List Import::Into as a Prereqs / TestRecommends

Signed-off-by: Niels Thykier <niels@thykier.net>
Fatal: Correct ":2.16" tag to point to "v225"

Signed-off-by: Niels Thykier <niels@thykier.net>
t: More tests for Fatal :lexical

Signed-off-by: Niels Thykier <niels@thykier.net>