chore: Update pre-build scripts and documentation

Author: prantlf

asynctaskqueue-min.js

@@ -27,9 +27,9 @@ <h1>asynctaskqueue.js</h1>
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-              <pre><code>asynctaskqueue.js <span class="hljs-number">1.0</span><span class="hljs-number">.0</span>
+              <pre><code>asynctaskqueue.js <span class="hljs-number">2.0</span><span class="hljs-number">.1</span>
 https:<span class="hljs-comment">//github.com/prantlf/asynctaskqueue.js</span>
-(c) <span class="hljs-number">2014</span> Ferdinand Prantl &lt;prantlf@gmail.com&gt;
+(c) <span class="hljs-number">2014</span><span class="hljs-number">-2019</span> Ferdinand Prantl &lt;prantlf@gmail.com&gt;
 Freely distributable under the MIT license</code></pre>
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