e. If the variable
is not found, None is returned.</p>
<dl class="field-list simple">
<dt class="field-odd">Parameters</dt>
<dd class="field-odd"><ul class="simple">
<li><p><strong>variable_key</strong> (<em>the variable name</em>)</p></li>
<li><p><strong>required</strong> (<em>exit with error if not found</em>)</p></li>
<li><p><strong>silent</strong> (<em>Do not print debugging information for variable</em>)</p></li>
</ul>
</dd>
</dl>
</dd></dl>

</div>
<div class="section" id="module-watchme.version">
<sp