Test implementing Hidden with continue.

layouts/_default/list.html

@@ -19,6 +19,9 @@
                     {{ range .Pages }}
                     
                         <!-- TBD: If marked Hidden or Release date is in the future, skip. -->
+                        {{ if .Params.hidden }}
+                            {{ continue }}
+                        {{ end }}
                     
                         <li class="post-item">
                             <a href="{{.Permalink}}" class="post-item-inner">