…o strip out most calls to zero out memory. Tests so far indicate continued valid hash production, but of course unsafe for password use now. Do not use this branch for security applications. Seeing speedup of 10% for some applications on limited hardware testing.

…ginal at best.

…w Contexts. This allows any external program to more easily pass alternate memory allocations to the internals of Argon2, while also exposing easy construction of encoded outputs via encode_ctx.