fix search-wordlist, more tests again

i think thats enough tests for now maybe
also maybe i should separate test.fs into a test dir with multiple
files?

next point of order is .s words and dump
at some point also i need to do case stuff.
maybe that should be first?

also i want dump to have term colours like jewelforth's one has
which is a good opportunity to actually use the vocabulary
functionatily.

bit more ambitious, but i also want to add line editing stuff.
i'm worried this will mean fucking around with input again though.
also i want to include a startup timer.
running the whole testing suite is about 0.035s which is Alright
i think, i'd like more detailed stats than `time` gives though.
i don't think speed matters too much though

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