diff --git a/app/inc.php b/app/inc.php
index 6c28c74..84eda46 100644
--- a/app/inc.php
+++ b/app/inc.php
@@ -45,12 +45,6 @@ $app = new App(__DIR__, $config, $database, $session, $user);
 // we will use $app instead
 unset($config, $database, $session, $user);
 
-/**
- * This is important!
- * Without it, everyone will have access to any page without having to be logged in.
- * 
- * Decides if the user is allowed to view current page.
- */
 new AccessControl($app);
 
 return $app;
\ No newline at end of file
diff --git a/app/lib/App/Core/App.php b/app/lib/App/Core/App.php
index 2cb8820..87cc510 100644
--- a/app/lib/App/Core/App.php
+++ b/app/lib/App/Core/App.php
@@ -70,9 +70,9 @@ class App
     }
 
     /**
-     * Turn data array into json response
+     * Convert data into json response
      */
-    public function api($data, int $status_code = 200): void
+    public function api(mixed $data, int $status_code = 200): void
     {
         // set headers
         http_response_code($status_code);
diff --git a/app/lib/App/Core/Config.php b/app/lib/App/Core/Config.php
index 0fda980..584673a 100644
--- a/app/lib/App/Core/Config.php
+++ b/app/lib/App/Core/Config.php
@@ -2,10 +2,10 @@
 
 namespace App\Core;
 
-use \Exception;
+use \InvalidArgumentException;
 
 /**
- * TODO: ... this should validate the config and stuffs
+ * TODO: this should validate the config and stuffs
  */
 class Config
 {
@@ -18,7 +18,7 @@ class Config
     {
         if (!file_exists($path))
         {
-            throw new Exception("Could not find configuration file: $path");
+            throw new InvalidArgumentException("Could not find configuration file: $path");
         }
         $this->config = require $path;
     }
diff --git a/app/lib/App/Core/Database.php b/app/lib/App/Core/Database.php
index 224ac35..d63de1a 100644
--- a/app/lib/App/Core/Database.php
+++ b/app/lib/App/Core/Database.php
@@ -2,13 +2,12 @@
 
 namespace App\Core;
 
-use \Exception;
+use \InvalidArgumentException;
 use \PDO;
 use \PDOException;
 
 /**
  * Encapsulates a single connection to a database.
- * TODO: ...
  */
 class Database
 {
@@ -18,7 +17,7 @@ class Database
     {
         if ($config['name'] !== 'mysql')
         {
-            throw new Exception("Database error: ".$config['name']." is not implemented");
+            throw new InvalidArgumentException("Database error: driver ".$config['name']." is not implemented");
         }
 
         try {
diff --git a/app/view/pages/confirm-logout.php b/app/view/pages/confirm-logout.php
deleted file mode 100644
index 1a695cd..0000000
--- a/app/view/pages/confirm-logout.php
+++ /dev/null
@@ -1,6 +0,0 @@
-<h1>Er du sikker?</h1>
-<p>Er du sikker på at du vil logge av?</p>
-
-<form action="logout.php">
-    <button type="submit">Logg ut</button>
-</form>
\ No newline at end of file
diff --git a/app/view/pages/logout.php b/app/view/pages/logout.php
new file mode 100644
index 0000000..5b0f790
--- /dev/null
+++ b/app/view/pages/logout.php
@@ -0,0 +1,4 @@
+<h1>Er du sikker?</h1>
+<p>Er du sikker på at du vil logge av?</p>
+
+<span>[&nbsp;<a class="success" href="logout.php?confirm=1">Logg ut</a>&nbsp;]</span>
\ No newline at end of file
diff --git a/app/view/pages/race/live-results.php b/app/view/pages/race/live.php
similarity index 100%
rename from app/view/pages/race/live-results.php
rename to app/view/pages/race/live.php
diff --git a/app/view/template/header.php b/app/view/template/header.php
index 83f24b8..21b6c79 100644
--- a/app/view/template/header.php
+++ b/app/view/template/header.php
@@ -21,7 +21,7 @@
 
             <?php if ($this->user->loggedIn): ?>
                 <span><?=htmlspecialchars($this->user->username)?></span>
-                <a href="<?=$this->config['root_url']?>confirm-logout.php">Logg ut</a>
+                <a href="<?=$this->config['root_url']?>logout.php">Logg ut</a>
             <?php else: ?>
                 <span>Ikke pålogget</span>
                 <a href="<?=$this->config['root_url']?>login.php">Logg inn</a>
@@ -38,7 +38,7 @@
             <h4>Felles</h4>
             <ul>
                 <li><a href="<?=$this->config['root_url']?>index.php">Forside</a></li>
-                <li><a href="<?=$this->config['root_url']?>race/live-results.php">Resultater</a></li>
+                <li><a href="<?=$this->config['root_url']?>race/live.php">Resultater</a></li>
             </ul>
 
             <?php if ($this->user->loggedIn): ?>
@@ -57,7 +57,7 @@
 
         <div id="main">
             <?php
-            // Display flashed messages
+            // display flashed messages
             $msgs = $this->session->getFlashedMessages();
             if ($msgs)
             {
diff --git a/public/confirm-logout.php b/public/confirm-logout.php
deleted file mode 100644
index 6fdb66a..0000000
--- a/public/confirm-logout.php
+++ /dev/null
@@ -1,11 +0,0 @@
-<?php
-$app = require '../app/inc.php';
-
-if (!$app->user->loggedIn)
-{
-    $app->redirect('index.php');
-}
-
-$app->view('template/header', ["title" => "Bekreft avlogging"]);
-$app->view('pages/confirm-logout');
-$app->view('template/footer');
\ No newline at end of file
diff --git a/public/login.php b/public/login.php
index 11b1e08..5512cd8 100644
--- a/public/login.php
+++ b/public/login.php
@@ -2,7 +2,6 @@
 
 if ($app->user->loggedIn)
 {
-    $app->session->flash('Du er allerede pålogget');
     $app->redirect('index.php');
 }
 
diff --git a/public/logout.php b/public/logout.php
index 76656e4..bbc15f1 100644
--- a/public/logout.php
+++ b/public/logout.php
@@ -6,6 +6,16 @@ if (!$app->user->loggedIn)
     $app->redirect('login.php');
 }
 
+$confirm = filter_input(INPUT_GET, 'confirm', FILTER_VALIDATE_BOOLEAN);
+
+if (!$confirm)
+{
+    $app->view('template/header', ["title" => "Bekreft avlogging"]);
+    $app->view('pages/logout');
+    $app->view('template/footer');
+    die();
+}
+
 $app->user->logout();
 $app->session->flash('Du har blitt logget av');
 $app->redirect("login.php");
\ No newline at end of file
diff --git a/public/race/configure/reset.php b/public/race/configure/reset.php
index 091b007..0fe7849 100644
--- a/public/race/configure/reset.php
+++ b/public/race/configure/reset.php
@@ -1,7 +1,6 @@
 <?php $app = require '../../../app/inc.php';
 /**
  * Resets team counters and removes all time records
- * TODO: could be more efficient but who cares
  */
 
 use App\Teamtable\Team;
diff --git a/public/race/live-results.php b/public/race/live.php
similarity index 60%
rename from public/race/live-results.php
rename to public/race/live.php
index 3390160..597f80c 100644
--- a/public/race/live-results.php
+++ b/public/race/live.php
@@ -1,5 +1,5 @@
 <?php $app = require '../../app/inc.php';
 
 $app->view('template/header', ["title" => "Live resultater"]);
-$app->view('pages/race/live-results');
+$app->view('pages/race/live');
 $app->view('template/footer');
\ No newline at end of file
diff --git a/public/race/sync.php b/public/race/sync.php
index ca6644a..66a22b0 100644
--- a/public/race/sync.php
+++ b/public/race/sync.php
@@ -2,6 +2,9 @@
 /**
  * We originally wanted to use SSE for this, but the hosting provider
  * did not support that so we resorted to simple polling instead
+ * 
+ * This page compiles a set of data and sends it if the provided hash of 
+ * the data is not equal.
  */
 
 use App\Teamtable\TeamMapper;
@@ -32,6 +35,14 @@ foreach ($times as $time)
     array_push($data, $row);
 }
 
+
+
+
+
+
+
+
+
 $hash = crc32(serialize($data));
 
 if ($prev_hash !== $hash)