adds Debug implementation for all types, adding #![deny(missing_debug_implementations)] to plonky2_field, plonky2 and plonky2_util crates (starky already has it, and plonky2_maybe_rayon only reexports stuff).
hides internal methods of custom gates that should not be exposed, only maintaining the meaningful ones for new instance declaration or recursion purposes
Debug
implementation for all types, adding#![deny(missing_debug_implementations)]
toplonky2_field
,plonky2
andplonky2_util
crates (starky
already has it, andplonky2_maybe_rayon
only reexports stuff).const