lookup basic yarddoc style (@params, etc) -- do a high-level description

learn how to run specs
write a spec that fails on the old code and passes on the new

convert all references to URI to be Addressable::URI
don't use URI.parse, use Addressable::URI.heuristic_parse (eg in files/*)
make basicfile methods delegate to its uri

tmpdir should use the actual system tmpdir libs (eg in archiver)
move config over to configliere




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might be nice to learn the delegate pattern