eosio_numstr 0.3.0

This crate provides functions for converting EOSIO names and symbols to and from string representations.

Creating an EOSIO name:

use eosio_numstr::name_from_bytes;
let name = name_from_bytes("eosio".bytes()).unwrap();
assert_eq!(name, 6138663577826885632);

Creating an EOSIO symbol:

use eosio_numstr::symbol_from_bytes;
let symbol = symbol_from_bytes(4, "EOS".bytes()).unwrap();
assert_eq!(symbol, 1162826500);