added unit testing, and started implementing unit tests...phew

node_modules/nise/lib/event/progress-event.js

@@ -0,0 +1,16 @@
+"use strict";
+
+var Event = require("./event");
+
+function ProgressEvent(type, progressEventRaw, target) {
+    this.initEvent(type, false, false, target);
+    this.loaded = typeof progressEventRaw.loaded === "number" ? progressEventRaw.loaded : null;
+    this.total = typeof progressEventRaw.total === "number" ? progressEventRaw.total : null;
+    this.lengthComputable = !!progressEventRaw.total;
+}
+
+ProgressEvent.prototype = new Event();
+
+ProgressEvent.prototype.constructor = ProgressEvent;
+
+module.exports = ProgressEvent;