uired package check to be more efficient by calling <code>required()</code> instead of <code><a href="https://rdrr.io/r/utils/installed.packages.html" class="external-link">installed.packages()</a></code>.</li>
<li>Changed the app startup messages to use <code><a href="https://rdrr.io/r/base/message.html" class="external-link">message()</a></code> instead of <code><a href="https://rdrr.io/r/base/cat.html" class="external-link">cat()</a></code> so if desired they can be suppressed.</li>
<li>Added <code>pkgSt