Breadcrumbs not marked up in a labeled nav tag

Hello,

Your plugin looks awesome, however it causes accessibility problems for screen reader users because the breadcrumbs are not wrapped in a nav tag.

This is how it should look:

<div class="fbc fbc-page">
<nav aria-label="breadcrumbs">
				<!-- Breadcrumb wrapper -->
				<div class="fbc-wrap">

					<!-- Ordered list-->
					<ol class="fbc-items" itemscope="" itemtype="https://schema.org/BreadcrumbList">
						            <li itemprop="itemListElement" itemscope="" itemtype="https://schema.org/ListItem">
                <span itemprop="name">
                    <!-- Home Link -->
                    <a itemprop="item" href="http://sandbox.local">
                    
                                                    <i class="fa fa-home" aria-hidden="true"></i>Home                    </a>
                </span>
                <meta itemprop="position" content="1"><!-- Meta Position-->
             </li><li><span class="fbc-separator">/</span></li><li itemprop="itemListElement" itemscope="" itemtype="https://schema.org/ListItem"><a itemprop="item" page-parent="2" href="http://sandbox.local/sample-page/" title="Sample Page"><span itemprop="name">Sample Page</span></a><meta itemprop="position" content="2"></li><li><span class="fbc-separator">/</span></li><li class="active post-page" itemprop="itemListElement" itemscope="" itemtype="https://schema.org/ListItem"><span itemprop="name" title="Child Page">Child Page</span><meta itemprop="position" content="3"></li>					</ol>
					<div class="clearfix"></div>
				</div>
</nav>
			</div>

It would be awesome if you could fix this. Thanks!