s are optional simple references followed
  by a single action. If a reference fails an action is skipped.</li>
</ul>
<p><strong>Package</strong></p>
<ul>
<li>The directory <em>Tasks</em> is included to the package. Ideally, use these tools
as samples for your own, they are not parts of the engine, strictly speaking.</li>
</ul>
<h2>v2.9.1</h2>
<p>Fixed incorrect build time written with <code>Summary</code>.</p>
<h2>v2.9.0 Custom tasks</h2>
<p>This release introduces new task programming techniques and sampl