diff --git a/daux.phar b/daux.phar
index f903c1b..d247e8b 100755
Binary files a/daux.phar and b/daux.phar differ
diff --git a/generate.php b/generate
old mode 100644
new mode 100755
similarity index 99%
rename from generate.php
rename to generate
index 89cfdd2..146dd5b
--- a/generate.php
+++ b/generate
@@ -1,3 +1,4 @@
+#!/usr/bin/env php
 <?php
 /*
 
diff --git a/libs/Compiler.php b/libs/Compiler.php
index 7029e2d..2b98c17 100644
--- a/libs/Compiler.php
+++ b/libs/Compiler.php
@@ -109,9 +109,9 @@ class Compiler
 
     private function addBinary($phar)
     {
-        $content = file_get_contents(__DIR__ . '/../generate.php');
-        //$content = preg_replace('{^#!/usr/bin/env php\s*}', '', $content);
-        $phar->addFromString('generate.php', $content);
+        $content = file_get_contents(__DIR__ . '/../generate');
+        $content = preg_replace('{^#!/usr/bin/env php\s*}', '', $content);
+        $phar->addFromString('generate', $content);
     }
 
     /**
@@ -166,7 +166,7 @@ define('PHAR_DIR', dirname(__FILE__));
 
 Phar::mapPhar('daux.phar');
 
-require 'phar://daux.phar/generate.php';
+require 'phar://daux.phar/generate';
 
 __HALT_COMPILER();
 EOF;
diff --git a/libs/DauxHelper.php b/libs/DauxHelper.php
index a5b5623..49f0a59 100644
--- a/libs/DauxHelper.php
+++ b/libs/DauxHelper.php
@@ -98,7 +98,7 @@ class DauxHelper
      *
      * @param Directory $tree
      * @param string $request
-     * @return Tree\Entry|false
+     * @return Tree\Content|Tree\Raw
      */
     public static function getFile($tree, $request)
     {
diff --git a/libs/Format/HTML/MarkdownPage.php b/libs/Format/HTML/MarkdownPage.php
index 3a43d25..fa0faef 100644
--- a/libs/Format/HTML/MarkdownPage.php
+++ b/libs/Format/HTML/MarkdownPage.php
@@ -20,12 +20,16 @@ class MarkdownPage extends \Todaymade\Daux\Format\Base\MarkdownPage
 
         $this->language = '';
         if ($this->params['multilanguage'] && count($this->file->getParents())) {
-            reset($this->file->getParents());
-            $language_dir = current($this->file->getParents());
-            $this->language = $language_dir->name;
+            $language_dir = $this->file->getParents()[0];
+            $this->language = $language_dir->getName();
         }
     }
 
+    /**
+     * @param \Todaymade\Daux\Tree\Directory[] $parents
+     * @param bool $multilanguage
+     * @return array
+     */
     private function getBreadcrumbTrail($parents, $multilanguage)
     {
         if ($multilanguage && !empty($parents)) {
diff --git a/libs/Generator/Helper.php b/libs/Generator/Helper.php
index cdda5e2..167dead 100644
--- a/libs/Generator/Helper.php
+++ b/libs/Generator/Helper.php
@@ -25,7 +25,7 @@ class Helper
      *
      * @param string $dir
      */
-    private static function rmdir($dir)
+    protected static function rmdir($dir)
     {
         $it = new \RecursiveDirectoryIterator($dir);
         $files = new \RecursiveIteratorIterator($it, \RecursiveIteratorIterator::CHILD_FIRST);
@@ -47,7 +47,7 @@ class Helper
      * @param string $source
      * @param string $destination
      */
-    private static function copyRecursive($source, $destination)
+    protected static function copyRecursive($source, $destination)
     {
         if (!is_dir($destination)) {
             mkdir($destination);
diff --git a/libs/Server/Server.php b/libs/Server/Server.php
index 1469b69..5007182 100644
--- a/libs/Server/Server.php
+++ b/libs/Server/Server.php
@@ -5,7 +5,6 @@ use Todaymade\Daux\DauxHelper;
 use Todaymade\Daux\Exception;
 use Todaymade\Daux\Format\HTML\MarkdownPage;
 use Todaymade\Daux\Format\HTML\RawPage;
-use Todaymade\Daux\Format\HTML\SimplePage;
 use Todaymade\Daux\Tree\Raw;
 
 class Server
diff --git a/libs/Tree/Builder.php b/libs/Tree/Builder.php
index 94713d5..e4f0225 100644
--- a/libs/Tree/Builder.php
+++ b/libs/Tree/Builder.php
@@ -38,7 +38,6 @@ class Builder
                 continue;
             }
 
-            $entry = null;
             if (is_dir($path)) {
                 $new = new Directory($node, static::getUriFromFilename(static::getFilename($path)), $path);
                 $new->setName(DauxHelper::pathinfo($path)['filename']);
diff --git a/libs/Tree/Entry.php b/libs/Tree/Entry.php
index d922dc9..5c23919 100644
--- a/libs/Tree/Entry.php
+++ b/libs/Tree/Entry.php
@@ -37,11 +37,11 @@ abstract class Entry
         $this->setUri($uri);
         $this->setParent($parent);
 
-        if ($path) {
+        if ($path !== null) {
             $this->path = $path;
         }
 
-        if ($last_modified) {
+        if ($last_modified !== null) {
             $this->last_modified = $last_modified;
         }
     }
@@ -118,7 +118,8 @@ abstract class Entry
         // First we try to find a real page
         foreach ($this->getEntries() as $node) {
             if ($node instanceof Content) {
-                if (!$node->getParent() && $node->title == 'index') {
+                // TODO :: this condition looks weird ...
+                if (!$node->getParent() && $node->getTitle() == 'index') {
                     //the homepage should not count as first page
                     continue;
                 }
@@ -174,7 +175,7 @@ abstract class Entry
     /**
      * Return all parents starting with the root
      *
-     * @return array<Directory>
+     * @return Directory[]
      */
     public function getParents()
     {
@@ -231,7 +232,7 @@ abstract class Entry
             'name' => $this->getName(),
             'uri' => $this->getUri(),
             'url' => $this->getUrl(),
-            'index' => $this->getIndexPage()? $this->getIndexPage()->getUrl() : '',
+            'index' => $this->getIndexPage() ? $this->getIndexPage()->getUrl() : '',
             'first' => $this->getFirstPage() ? $this->getFirstPage()->getUrl() : '',
             'path' => $this->path
         ];
diff --git a/libs/Tree/Root.php b/libs/Tree/Root.php
index 6aae9d7..92eec5c 100644
--- a/libs/Tree/Root.php
+++ b/libs/Tree/Root.php
@@ -5,7 +5,7 @@ class Root extends Directory
     /**
      * The root doesn't have a parent
      *
-     * @param Directory $uri
+     * @param string $uri
      */
     public function __construct($uri)
     {