Fixed #1 - Fixed the whatsnew-** script for loading release notes into builds

Added test to ensure that release notes are parsed properly
Updated to latest dependencies to fix security vulnerability
Updated GH Actions Workflow to run test before updating tag
Updated README.md to reflect proper whatsnew documentation.

node_modules/object.assign/polyfill.js

@@ -0,0 +1,51 @@
+'use strict';
+
+var implementation = require('./implementation');
+
+var lacksProperEnumerationOrder = function () {
+	if (!Object.assign) {
+		return false;
+	}
+	// v8, specifically in node 4.x, has a bug with incorrect property enumeration order
+	// note: this does not detect the bug unless there's 20 characters
+	var str = 'abcdefghijklmnopqrst';
+	var letters = str.split('');
+	var map = {};
+	for (var i = 0; i < letters.length; ++i) {
+		map[letters[i]] = letters[i];
+	}
+	var obj = Object.assign({}, map);
+	var actual = '';
+	for (var k in obj) {
+		actual += k;
+	}
+	return str !== actual;
+};
+
+var assignHasPendingExceptions = function () {
+	if (!Object.assign || !Object.preventExtensions) {
+		return false;
+	}
+	// Firefox 37 still has "pending exception" logic in its Object.assign implementation,
+	// which is 72% slower than our shim, and Firefox 40's native implementation.
+	var thrower = Object.preventExtensions({ 1: 2 });
+	try {
+		Object.assign(thrower, 'xy');
+	} catch (e) {
+		return thrower[1] === 'y';
+	}
+	return false;
+};
+
+module.exports = function getPolyfill() {
+	if (!Object.assign) {
+		return implementation;
+	}
+	if (lacksProperEnumerationOrder()) {
+		return implementation;
+	}
+	if (assignHasPendingExceptions()) {
+		return implementation;
+	}
+	return Object.assign;
+};