Update docs

_modules/index.html

@@ -3,7 +3,7 @@
 <head>
   <meta charset="utf-8" />
   <meta name="viewport" content="width=device-width, initial-scale=1.0" />
-  <title>Overview: module code &mdash; parsedmarc 8.12.0 documentation</title>
+  <title>Overview: module code &mdash; parsedmarc 8.13.0 documentation</title>
       <link rel="stylesheet" type="text/css" href="../_static/pygments.css" />
       <link rel="stylesheet" type="text/css" href="../_static/css/theme.css" />
 
@@ -35,7 +35,7 @@
             parsedmarc
           </a>
               <div class="version">
-                8.12.0
+                8.13.0
               </div>
 <div role="search">
   <form id="rtd-search-form" class="wy-form" action="../search.html" method="get">