simple array without changes seen as a change

[joeo73-impinj]

Version

3.15

Steps to reproduce

let test = { '4': ['Bobby','Sam'] };
let cs = new Changeset(test);

cs.set('4', ['Bobby','Sam']);

console.log('cs.isDirty', cs.isDirty);

Expected Behavior

console log outputs false

Actual Behavior

console log outputs true