base-2-n
To work with base 2^n numbers.
Usage
const a = new Base2N('\u0000', 2); // base 2
const b = new Base2N('\u0001', 2);
let c = a.add(b);
console.log(a.toString());
console.log(b.toString());
console.log(c.toString());
c = c.subtract(b);
console.log(c.toString() == a.toString()); // true