feat($apiChange): simplified the API + added flushFiles method + chun…

…kNames support

BREAKING CHANGE: flushChunks arguments/options changed to be 2: stats, options

README.md

@@ -852,3 +852,4 @@ Reviewing a package's tests are a great way to get familiar with it. It's direct
 Below is a screenshot of this module's tests running in [Wallaby](https://wallabyjs.com) *("An Integrated Continuous Testing Tool for JavaScript")* which everyone in the React community should be using. It's fantastic and has taken my entire workflow to the next level. It re-runs your tests on every change along with comprehensive logging, bi-directional linking to your IDE, in-line code coverage indicators, **and even snapshot comparisons + updates for Jest!** I requestsed that feature by the way :). It's basically a substitute for live-coding that inspires you to test along your journey.
 
 ![require-universal-module wallaby tests screenshot](./tests-screenshot.png)
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