Clean up the oopsie. Rebuild the blank exercises.

node_modules/mimic-fn/index.js

@@ -1,7 +1,13 @@
 'use strict';
-module.exports = (to, from) => {
-	// TODO: use `Reflect.ownKeys()` when targeting Node.js 6
-	for (const prop of Object.getOwnPropertyNames(from).concat(Object.getOwnPropertySymbols(from))) {
+
+const mimicFn = (to, from) => {
+	for (const prop of Reflect.ownKeys(from)) {
 		Object.defineProperty(to, prop, Object.getOwnPropertyDescriptor(from, prop));
 	}
+
+	return to;
 };
+
+module.exports = mimicFn;
+// TODO: Remove this for the next major release
+module.exports.default = mimicFn;