diff --git a/bans.php b/bans.php
index e866553..6c33a4c 100644
--- a/bans.php
+++ b/bans.php
@@ -44,7 +44,7 @@ $banlist = $cacheutils->getValue();
 
     </div>
     <div class="panel-footer">
-        <?php tl($lang["banlist"]["lastupdate"], [$banlist[1]]); ?><!-- <span style="float: right">Podgląd odświeża się co 60 sekund</span> -->
+        <?php tl($lang["banlist"]["lastupdate"], [$banlist[1]]); ?><!-- <span style="float: right">Data is refreshed every X seconds</span> -->
     </div>
 </div>
 
@@ -68,14 +68,14 @@ function getBanlist() {
                 $user = censorIP((string)$ban['ip']);
 
             if (!empty($ban['lastnickname']))
-                $user = (string)$ban['lastnickname'];
+                $user = htmlentities((string)$ban['lastnickname']);
 
             if (empty($user))
                 $user = "<i>Unknown</i>";
 
 
-            $reason = $ban['reason'];
-            $invokername = (string)$ban['invokername'];
+            $reason = htmlentities((string)$ban['reason']);
+            $invokername = htmlentities((string)$ban['invokername']);
             $duration = $ban['duration'];
             $createdepoch = $ban['created'];
             $expiresepoch = $ban['created'] + $duration;
diff --git a/include/adminlist.php b/include/adminlist.php
index 9f1ba5d..ebf2faf 100644
--- a/include/adminlist.php
+++ b/include/adminlist.php
@@ -38,10 +38,10 @@ function getAdminList() {
                     $groupicon = getGroupIcon($tsAdmin, $group);
 
                     if ($groupicon) {
-                        $icon = '<img src="data:' . TeamSpeak3_Helper_Convert::imageMimeType($groupicon) . ';base64,' . base64_encode($groupicon) . '" alt="Ikona grupy" /> ';
+                        $icon = '<img src="data:' . TeamSpeak3_Helper_Convert::imageMimeType($groupicon) . ';base64,' . base64_encode($groupicon) . '" alt="Group icon" /> ';
                     }
                 } elseif (in_array($group["iconid"], $localIcons)) {
-                    $icon = '<img src="lib/ts3phpframework/images/viewer/group_icon_' . $group["iconid"] . '.png" alt="Ikona grupy" /> ';
+                    $icon = '<img src="lib/ts3phpframework/images/viewer/group_icon_' . $group["iconid"] . '.png" alt="Group icon" /> ';
                 }
             }
 
@@ -63,11 +63,11 @@ function getAdminList() {
                 if($user["client_type"]) continue;
 
                 if (!$user) {
-                    $offlineClients[] = '<p><span class="label label-primary iconspacer">' . $userInfo['client_nickname'] . '</span><span class="label label-danger pull-right">' . translate($lang["adminlist"]["status"]["offline"]) . '</span></p>';
+                    $offlineClients[] = '<p><span class="label label-primary iconspacer">' . htmlentities($userInfo['client_nickname']) . '</span><span class="label label-danger pull-right">' . translate($lang["adminlist"]["status"]["offline"]) . '</span></p>';
                     continue;
                 }
 
-                $onlineClients[] = '<p><img src="lib/ts3phpframework/images/viewer/' . $user->getIcon() . '.png" alt="User status">' . '<span class="label label-primary">' . $user . '</span>' . ($user['client_away'] ? '<span class="label label-warning pull-right">' . translate($lang["adminlist"]["status"]["away"]) . '</span>' : '<span class="label label-success pull-right">' . translate($lang["adminlist"]["status"]["online"]) . '</span>') . '</p>';
+                $onlineClients[] = '<p><img src="lib/ts3phpframework/images/viewer/' . $user->getIcon() . '.png" alt="User status">' . '<span class="label label-primary">' . htmlentities($user) . '</span>' . ($user['client_away'] ? '<span class="label label-warning pull-right">' . translate($lang["adminlist"]["status"]["away"]) . '</span>' : '<span class="label label-success pull-right">' . translate($lang["adminlist"]["status"]["online"]) . '</span>') . '</p>';
             }
 
             foreach (array_merge($onlineClients, $offlineClients) as $str)
diff --git a/include/cacheutils.class.php b/include/cacheutils.class.php
index 3051a91..690f0bc 100644
--- a/include/cacheutils.class.php
+++ b/include/cacheutils.class.php
@@ -7,11 +7,15 @@ use phpFastCache\Util\Languages;
 
 class CacheUtils {
 
+    private $devMode;
     private $cacheInstance;
     private $cacheItem;
     private $key;
 
-    function __construct($key) {
+    public function __construct($key) {
+        // If devMode is set, the cache will be invalidated immediately
+        $this->devMode = defined("DEV_MODE") || getenv("DEV_MODE") || file_exists(__DIR__ . "/dev_mode");
+
         if(!is_string($key))
             throw new InvalidArgumentException("Key must be a string");
 
@@ -39,12 +43,15 @@ class CacheUtils {
     }
 
     public function setValue($value, $expireTime) {
+        if($this->devMode)
+            $expireTime = 1;
+
         $this->cacheItem = $this->cacheItem->set($value)->expiresAfter($expireTime);
         $this->cacheInstance->save($this->cacheItem);
     }
 
     public function isExpired() {
-        return !$this->cacheItem->isHit();
+        return $this->devMode || !$this->cacheItem->isHit();
     }
 
     public function remove() {
diff --git a/include/footer.php b/include/footer.php
index 3d8c5cc..87c7f71 100644
--- a/include/footer.php
+++ b/include/footer.php
@@ -12,7 +12,7 @@
                 <ul class="list-inline">
                     <li> <!-- Please respect the amount of work we've put for free into this project and leave the authors in the footer. Thank you. -->
                         <p>
-                            <a href="https://github.com/Wruczek/ts-website">ts-website</a> v 1.4.4.3 &mdash; &copy; <a href="https://wruczek.tech">Wruczek</a> 2016 - 2017
+                            <a href="https://github.com/Wruczek/ts-website">ts-website</a> v 1.4.5 &mdash; &copy; <a href="https://wruczek.tech">Wruczek</a> 2016 - 2017
                         </p>
 
                         <p>
diff --git a/include/modulecheck.php b/include/modulecheck.php
index d885e08..fee32a0 100644
--- a/include/modulecheck.php
+++ b/include/modulecheck.php
@@ -89,7 +89,7 @@ function showError($title, $text) { ?>
             <?php echo $text; ?>
         </div>
         <div class="panel-footer">
-            &copy; <a href="https://wruczek.tech">Wruczek</a> 2016 - 2017 | <a href="https://github.com/Wruczek/ts-website">ts-website</a> v 1.4.4.3 | MIT License
+            &copy; <a href="https://wruczek.tech">Wruczek</a> 2016 - 2017 | <a href="https://github.com/Wruczek/ts-website">ts-website</a> v 1.4.5 | MIT License
         </div>
     </div>