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/es-abstract/2019/IsStringPrefix.js

@@ -0,0 +1,47 @@
+'use strict';
+
+var GetIntrinsic = require('../GetIntrinsic');
+
+var $TypeError = GetIntrinsic('%TypeError%');
+
+var isPrefixOf = require('../helpers/isPrefixOf');
+
+// var callBound = require('../helpers/callBound');
+
+// var $charAt = callBound('String.prototype.charAt');
+
+var Type = require('./Type');
+
+// https://www.ecma-international.org/ecma-262/9.0/#sec-isstringprefix
+
+module.exports = function IsStringPrefix(p, q) {
+	if (Type(p) !== 'String') {
+		throw new $TypeError('Assertion failed: "p" must be a String');
+	}
+
+	if (Type(q) !== 'String') {
+		throw new $TypeError('Assertion failed: "q" must be a String');
+	}
+
+	return isPrefixOf(p, q);
+	/*
+	if (p === q || p === '') {
+		return true;
+	}
+
+	var pLength = p.length;
+	var qLength = q.length;
+	if (pLength >= qLength) {
+		return false;
+	}
+
+	// assert: pLength < qLength
+
+	for (var i = 0; i < pLength; i += 1) {
+		if ($charAt(p, i) !== $charAt(q, i)) {
+			return false;
+		}
+	}
+	return true;
+	*/
+};