A helper class to store on/off states in one integer.
const bitSwitch = new BitSwitch(32);
console.log('5', bitSwitch.get(5)); // true
console.log('3', bitSwitch.get(3)); // false
bitSwitch.set(4, 1);
console.log('4', bitSwitch.get(4)); // true
bitSwitch.set(4, 0);
console.log('4', bitSwitch.get(4)); // false