diff --git a/brain/data/Contents.php b/brain/data/Contents.php
index 27edc9d..9fd6b41 100644
--- a/brain/data/Contents.php
+++ b/brain/data/Contents.php
@@ -12,6 +12,7 @@ use League\CommonMark\MarkdownConverter;
 use League\CommonMark\CommonMarkConverter;
 use HtmlSanitizer\Extension\Basic\BasicExtension;
 use HtmlSanitizer\Extension\Iframe\IframeExtension;
+use HtmlSanitizer\Extension\Listing\ListExtension;
 use HtmlSanitizer\SanitizerBuilder;
 
 use function _\orderBy;
@@ -70,10 +71,11 @@ class Contents
             ->parse(file_get_contents($file));
 
             //never trust the front end. clean it up
-
+            //add what sanitizer extensions we need manually
             $builder = new SanitizerBuilder();
             $builder->registerExtension(new BasicExtension());
             $builder->registerExtension(new IframeExtension());
+            $builder->registerExtension(new ListExtension());
 
             //relative-a and relative-image
             $builder->registerExtension(
@@ -84,7 +86,7 @@ class Contents
             );
 
             $detergent = [
-            "extensions" => ["basic", "relative-a", "relative-image", "iframe"],
+            "extensions" => ["basic", "list","relative-a", "relative-image", "iframe"],
             "tags" => [
               "div" => [
               "allowed_attributes" => ["class", "title", "id", "style"],
diff --git a/brain/utility/Mailer.php b/brain/utility/Mailer.php
index e1b15f2..81bec42 100644
--- a/brain/utility/Mailer.php
+++ b/brain/utility/Mailer.php
@@ -6,6 +6,7 @@ use Slim\Views\Twig;
 use PHPMailer\PHPMailer\PHPMailer;
 use PHPMailer\PHPMailer\Exception;
 use brain\data\Settings;
+use brain\data\Session;
 
 class Mailer
 {
diff --git a/brain/utility/Maintenance.php b/brain/utility/Maintenance.php
index a7a6865..63bed09 100644
--- a/brain/utility/Maintenance.php
+++ b/brain/utility/Maintenance.php
@@ -17,10 +17,10 @@ class Maintenance
             mkdir("../config/backups", 0755, true);
         }
         //creat backup zip
-        $zip = new ZipArchive();
+        $zip = new \ZipArchive();
         $zip->open(
             "../config/backups/latest_back.zip",
-            ZipArchive::CREATE | ZipArchive::OVERWRITE
+            \ZipArchive::CREATE | \ZipArchive::OVERWRITE
         );
         //gather data and path info for md pages
         $pagePath = "../content/pages";