* Add CellBytes type
* Use ByteVector, not Vector
* Fix tests
* Replace b"" with []
* Apply suggestions for bytes_to_cell
* Add/integrate new CosetEvals type
* Remove accidental new line
* Fix recover_all_cells
* Fix recover_matrix
* fix CosetEvals abstraction leak
* Introduce internal Coset type for `coset_for_cell()`
* Use CosetEvals in compute_kzg_proof_multi_impl()
* update test
* satisfy linter
* Fix two nits I noticed
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Co-authored-by: Kevaundray Wedderburn <kevtheappdev@gmail.com>
Co-authored-by: George Kadianakis <desnacked@riseup.net>