Cleanup dead code, update shell.nix, import from pkg/
Fork bigints into src/cbor/private
Skip nodes during parser by read, not seeking
Stdin cannot be seeked, so read and discard to skip something.
Update descript to refer to RFC8949 rather than RFC7049
Sort in bytewise lexicographic order
The length-first sorting algormithm from RFC7049 was being used
but this was replaced in RFC8949.
Add [] operators for maps
Replace `%` operator with "toCbor" proc
Make byte-strings easier to create
Make writing byte-strings easier