ocaml-ocplib-endian 1.0 Optimised functions to read and write int16/32/64 from strings and bigarrays

Optimised functions to read and write int16/32/64 from strings and bigarrays, based on new primitives added in version 4.01. It works on strings, bytes and bigstring (Bigarrys of chars), and provides submodules for big- and little-endian, with their unsafe counter-parts.