diff --git a/api/api_default.php b/api/api_default.php
index 43d28d7..9809e0a 100644
--- a/api/api_default.php
+++ b/api/api_default.php
@@ -98,6 +98,7 @@ abstract class api_default extends api_system {
     /**
      * API Default Page function - implement this function and return the Default Page
      *
+     * @param string $_escaped_fragment_ Fragment from Hashbang Crawling
      * @return string Returns your API-Default-State
      */
     public abstract static function default_page($_escaped_fragment_ = null);
diff --git a/db/result/ResultAMQP.php b/db/result/ResultAMQP.php
index d0f8157..a74abd2 100644
--- a/db/result/ResultAMQP.php
+++ b/db/result/ResultAMQP.php
@@ -22,6 +22,8 @@ class ResultAMQP extends \SYSTEM\DB\Result{ // < maybe not ? check if amqpchanne
 
     /**
      * Construct the Resultset with a database ressource
+     * 
+     * @param ressource $res Ressource of the Database Result-Set
      */
     public function __construct($res){
         $this->res = $res;}
diff --git a/db/result/ResultMysqli.php b/db/result/ResultMysqli.php
index 3af222f..258cd03 100644
--- a/db/result/ResultMysqli.php
+++ b/db/result/ResultMysqli.php
@@ -22,6 +22,8 @@ class ResultMysqli extends \SYSTEM\DB\Result{
 
     /**
      * Construct the Resultset with a database ressource
+     * 
+     * @param ressource $res Ressource of the Database Result-Set
      */
     public function __construct($res){
         $this->res = $res;}
diff --git a/db/result/ResultMysqliPrepare.php b/db/result/ResultMysqliPrepare.php
index 6464751..86cdb07 100644
--- a/db/result/ResultMysqliPrepare.php
+++ b/db/result/ResultMysqliPrepare.php
@@ -26,6 +26,9 @@ class ResultMysqliPrepare extends \SYSTEM\DB\Result{
     
     /**
      * Construct the Resultset with a database ressource
+     * 
+     * @param ressource $res Ressource of the Database Result-Set
+     * @param ressource $connection Connection on which the Result-Set was returned
      */
     public function __construct($res,$connection){        
         $this->res = $res;
diff --git a/db/result/ResultPostgres.php b/db/result/ResultPostgres.php
index d7c8822..d91e7a6 100644
--- a/db/result/ResultPostgres.php
+++ b/db/result/ResultPostgres.php
@@ -24,6 +24,9 @@ class ResultPostgres extends \SYSTEM\DB\Result{
 
     /**
      * Construct the Resultset with a database ressource
+     * 
+     * @param ressource $res Ressource of the Database Result-Set
+     * @param ressource $connection Connection on which the Result-Set was returned
      */
     public function __construct($res,$connection){
         $this->res = $res;
diff --git a/db/result/ResultSQLite.php b/db/result/ResultSQLite.php
index 5bde8bb..24c5b64 100644
--- a/db/result/ResultSQLite.php
+++ b/db/result/ResultSQLite.php
@@ -24,6 +24,9 @@ class ResultSQLite extends \SYSTEM\DB\Result{
 
     /**
      * Construct the Resultset with a database ressource
+     * 
+     * @param ressource $res Ressource of the Database Result-Set
+     * @param string $stmt Query Statement which produced the result set
      */
     public function __construct($res,$stmt){
         $this->res = $res;
diff --git a/lib/system/lib_system.php b/lib/system/lib_system.php
index 1a0fa2f..d7804c3 100644
--- a/lib/system/lib_system.php
+++ b/lib/system/lib_system.php
@@ -1,12 +1,49 @@
 <?php
+/**
+ * System - PHP Framework
+ *
+ * PHP Version 5.6
+ *
+ * @copyright   2016 Ulf Gebhardt (http://www.webcraft-media.de)
+ * @license     http://www.opensource.org/licenses/mit-license.php MIT
+ * @link        https://github.com/webcraftmedia/system
+ * @package     LIB
+ */
 namespace LIB;
+
+/**
+ * lib_system Class provided by System to serve system.js and system.css library.
+ */
 class lib_system extends \LIB\lib_jscss{
+    /**
+     * Get Classname of the Library
+     * 
+     * @return string Returns classname
+     */
     public static function get_class(){
         return self::class;}
+        
+    /**
+     * Returns a Systempath Object to the js ressource of the Library
+     * 
+     * @return object Returns path object
+     */
     public static function js_path(){
         return new \SYSTEM\PLIB('/system/lib/system.js');}
+        
+    /**
+     * Returns a Systempath Object to the css ressource of the Library
+     * 
+     * @return object Returns path object
+     */
     public static function css_path(){
         return new \SYSTEM\PLIB('/system/lib/system.css');}
+        
+    /**
+     * Returns version string of the library
+     * 
+     * @return string Returns version string/html
+     */
     public static function version(){
         return 'pre alpha';}
-}
+}
\ No newline at end of file
diff --git a/sai/modules/saimod_sys_api/saimod_sys_api.php b/sai/modules/saimod_sys_api/saimod_sys_api.php
index 5f6ead8..46aaad3 100644
--- a/sai/modules/saimod_sys_api/saimod_sys_api.php
+++ b/sai/modules/saimod_sys_api/saimod_sys_api.php
@@ -10,7 +10,16 @@
  * @package     SYSTEM\SAI
  */
 namespace SYSTEM\SAI;
-class saimod_sys_api extends \SYSTEM\SAI\SaiModule {    
+
+/**
+ * saimod_sys_api Class provided by System as saimod to manage the system_api table
+ */
+class saimod_sys_api extends \SYSTEM\SAI\SaiModule { 
+    /**
+     * Generate the HTML for the Saimods startpage
+     * 
+     * @return string Returns HTML for the Saimods startpage
+     */
     public static function sai_mod__SYSTEM_SAI_saimod_sys_api(){
         $vars = \SYSTEM\PAGE\text::tag(\SYSTEM\SQL\system_text::TAG_SAI_API);
         $vars['tabopts'] = '';
@@ -81,13 +90,40 @@ class saimod_sys_api extends \SYSTEM\SAI\SaiModule {
         }        
     }
     
-    //public static function html_li_menu(){return '<li><a id="menu_api" href="#!api">${sai_menu_api}</a></li>';}
+    /**
+     * Generate <li> Menu for the Saimod
+     * 
+     * @return string Returns <li> Menu for the Saimod
+     */
     public static function html_li_menu(){return '<li><a id="menu_api" data-toggle="tooltip" data-placement="bottom" title="${sai_menu_api}" href="#!api"><span class="glyphicon glyphicon-console" aria-hidden="true"></span></a></li>';}
-    public static function right_public(){return false;}    
+    
+    /**
+     * Returns if the Saimod is public(access for everyone)
+     * 
+     * @return boolean Returns if the Saimod is public(true) or not(false)
+     */
+    public static function right_public(){return false;}
+    
+    /**
+     * Returns if the requesting user has the required rights to access the Saimod
+     * 
+     * @return boolean Returns true if the user can access
+     */
     public static function right_right(){return \SYSTEM\SECURITY\security::check(\SYSTEM\SECURITY\RIGHTS::SYS_SAI) && \SYSTEM\SECURITY\security::check(\SYSTEM\SECURITY\RIGHTS::SYS_SAI_API);}
     
+    /**
+     * Get all css System Paths required for this Saimod
+     * 
+     * @return array Returns array of Pathobjects pointing to the saimods css
+     */
     public static function css(){
         return array(new \SYSTEM\PSAI('modules/saimod_sys_api/css/saimod_sys_api.css'));}
+        
+    /**
+     * Get all js System Paths required for this Saimod
+     * 
+     * @return array Returns array of Pathobjects pointing to the saimods js
+     */
     public static function js(){
         return array(new \SYSTEM\PSAI('modules/saimod_sys_api/js/saimod_sys_api.js'));}
 }
\ No newline at end of file
diff --git a/sai/modules/saimod_sys_cache/saimod_sys_cache.php b/sai/modules/saimod_sys_cache/saimod_sys_cache.php
index 04363a2..a6576a9 100644
--- a/sai/modules/saimod_sys_cache/saimod_sys_cache.php
+++ b/sai/modules/saimod_sys_cache/saimod_sys_cache.php
@@ -10,7 +10,16 @@
  * @package     SYSTEM\SAI
  */
 namespace SYSTEM\SAI;
-class saimod_sys_cache extends \SYSTEM\SAI\SaiModule {    
+
+/**
+ * saimod_sys_cache Class provided by System as saimod to manage the system_cache table
+ */
+class saimod_sys_cache extends \SYSTEM\SAI\SaiModule {
+    /**
+     * Generate the HTML for the Saimods startpage
+     * 
+     * @return string Returns HTML for the Saimods startpage
+     */
     public static function sai_mod__SYSTEM_SAI_saimod_sys_cache(){
         $vars = array();
         $vars['count'] = \SYSTEM\SQL\SYS_SAIMOD_CACHE_COUNT::Q1()['count'];
@@ -31,11 +40,32 @@ class saimod_sys_cache extends \SYSTEM\SAI\SaiModule {
             return 'info';}
         return 'success';}
     
+    /**
+     * Generate <li> Menu for the Saimod
+     * 
+     * @return string Returns <li> Menu for the Saimod
+     */
     public static function html_li_menu(){return '<li><a id="menu_cache" data-toggle="tooltip" data-placement="bottom" title="${sai_menu_cache}" href="#!cache"><span class="glyphicon glyphicon-level-up" aria-hidden="true"></span></a></li>';}
-    public static function right_public(){return false;}    
+    
+    /**
+     * Returns if the Saimod is public(access for everyone)
+     * 
+     * @return boolean Returns if the Saimod is public(true) or not(false)
+     */
+    public static function right_public(){return false;}
+    
+    /**
+     * Returns if the requesting user has the required rights to access the Saimod
+     * 
+     * @return boolean Returns true if the user can access
+     */
     public static function right_right(){return \SYSTEM\SECURITY\security::check(\SYSTEM\SECURITY\RIGHTS::SYS_SAI);}
     
-    //public static function css(){}
+    /**
+     * Get all js System Paths required for this Saimod
+     * 
+     * @return array Returns array of Pathobjects pointing to the saimods js
+     */
     public static function js(){
         return array(new \SYSTEM\PSAI('modules/saimod_sys_cache/js/saimod_sys_cache.js'));}
 }
\ No newline at end of file
diff --git a/sai/modules/saimod_sys_config/saimod_sys_config.php b/sai/modules/saimod_sys_config/saimod_sys_config.php
index c3a05e8..64a51f6 100644
--- a/sai/modules/saimod_sys_config/saimod_sys_config.php
+++ b/sai/modules/saimod_sys_config/saimod_sys_config.php
@@ -10,7 +10,16 @@
  * @package     SYSTEM\SAI
  */
 namespace SYSTEM\SAI;
-class saimod_sys_config extends \SYSTEM\SAI\SaiModule {    
+
+/**
+ * saimod_sys_config Class provided by System as saimod to display the config
+ */
+class saimod_sys_config extends \SYSTEM\SAI\SaiModule {
+    /**
+     * Generate the HTML for the Saimods startpage
+     * 
+     * @return string Returns HTML for the Saimods startpage
+     */
     public static function sai_mod__SYSTEM_SAI_saimod_sys_config(){
         $vars = \SYSTEM\PAGE\text::tag(\SYSTEM\SQL\system_text::TAG_SAI_CONFIG);
         $vars['basics'] = $vars['database'] = $vars['sai'] = '';
@@ -149,10 +158,33 @@ class saimod_sys_config extends \SYSTEM\SAI\SaiModule {
     
         return \SYSTEM\PAGE\replace::replaceFile((new \SYSTEM\PSAI('modules/saimod_sys_config/tpl/config_database.tpl'))->SERVERPATH(),$vars);
     }
+    
+    /**
+     * Generate <li> Menu for the Saimod
+     * 
+     * @return string Returns <li> Menu for the Saimod
+     */
     public static function html_li_menu(){return '<li><a id="menu_config" data-toggle="tooltip" data-placement="bottom" title="${sai_menu_config}" href="#!config"><span class="glyphicon glyphicon-info-sign" aria-hidden="true"></span></a></li>';}
+    
+    /**
+     * Returns if the Saimod is public(access for everyone)
+     * 
+     * @return boolean Returns if the Saimod is public(true) or not(false)
+     */
     public static function right_public(){return false;}    
+    
+    /**
+     * Returns if the requesting user has the required rights to access the Saimod
+     * 
+     * @return boolean Returns true if the user can access
+     */
     public static function right_right(){return \SYSTEM\SECURITY\security::check(\SYSTEM\SECURITY\RIGHTS::SYS_SAI);}
+    
+    /**
+     * Get all js System Paths required for this Saimod
+     * 
+     * @return array Returns array of Pathobjects pointing to the saimods js
+     */
     public static function js(){
         return array(new \SYSTEM\PSAI('modules/saimod_sys_config/js/saimod_sys_config.js'));}
-    //public static function css(){}
 }
\ No newline at end of file
diff --git a/sai/modules/saimod_sys_cron/saimod_sys_cron.php b/sai/modules/saimod_sys_cron/saimod_sys_cron.php
index 3dc65da..6a5ef3c 100644
--- a/sai/modules/saimod_sys_cron/saimod_sys_cron.php
+++ b/sai/modules/saimod_sys_cron/saimod_sys_cron.php
@@ -11,7 +11,15 @@
  */
 namespace SYSTEM\SAI;
 
-class saimod_sys_cron extends \SYSTEM\SAI\SaiModule {    
+/**
+ * saimod_sys_cron Class provided by System as saimod to manage the system_cron table
+ */
+class saimod_sys_cron extends \SYSTEM\SAI\SaiModule {
+    /**
+     * Generate the HTML for the Saimods startpage
+     * 
+     * @return string Returns HTML for the Saimods startpage
+     */
     public static function sai_mod__SYSTEM_SAI_saimod_sys_cron(){
         $vars['content'] = '';
         $vars['last_visit'] = \SYSTEM\time::time_ago_string(strtotime(\SYSTEM\CRON\cron::last_visit()));
@@ -50,13 +58,40 @@ class saimod_sys_cron extends \SYSTEM\SAI\SaiModule {
         \SYSTEM\SQL\SYS_SAIMOD_CRON_DEL::QI(array($cls));
         return \SYSTEM\LOG\JsonResult::ok();}
     
-    //public static function html_li_menu(){return '<li><a id="menu_cron" href="#!cron">${sai_menu_cron}</a></li>';}
+    /**
+     * Generate <li> Menu for the Saimod
+     * 
+     * @return string Returns <li> Menu for the Saimod
+     */
     public static function html_li_menu(){return '<li><a id="menu_cron" data-toggle="tooltip" data-placement="bottom" title="${sai_menu_cron}" href="#!cron"><span class="glyphicon glyphicon-time" aria-hidden="true"></span></a></li>';}    
-    public static function right_public(){return false;}    
+    
+    /**
+     * Returns if the Saimod is public(access for everyone)
+     * 
+     * @return boolean Returns if the Saimod is public(true) or not(false)
+     */
+    public static function right_public(){return false;}
+    
+    /**
+     * Returns if the requesting user has the required rights to access the Saimod
+     * 
+     * @return boolean Returns true if the user can access
+     */
     public static function right_right(){return \SYSTEM\SECURITY\security::check(\SYSTEM\SECURITY\RIGHTS::SYS_SAI_CRON);}
     
+    /**
+     * Get all css System Paths required for this Saimod
+     * 
+     * @return array Returns array of Pathobjects pointing to the saimods css
+     */
     public static function css(){
         return array(new \SYSTEM\PSAI('modules/saimod_sys_cron/css/saimod_sys_cron.css'));}
+        
+    /**
+     * Get all js System Paths required for this Saimod
+     * 
+     * @return array Returns array of Pathobjects pointing to the saimods js
+     */
     public static function js(){
         return array(new \SYSTEM\PSAI('modules/saimod_sys_cron/js/saimod_sys_cron.js'));}
 }
\ No newline at end of file
diff --git a/sai/modules/saimod_sys_docu/saimod_sys_docu.php b/sai/modules/saimod_sys_docu/saimod_sys_docu.php
index 614544e..40dd19b 100644
--- a/sai/modules/saimod_sys_docu/saimod_sys_docu.php
+++ b/sai/modules/saimod_sys_docu/saimod_sys_docu.php
@@ -10,7 +10,16 @@
  * @package     SYSTEM\SAI
  */
 namespace SYSTEM\SAI;
-class saimod_sys_docu extends \SYSTEM\SAI\SaiModule {    
+
+/**
+ * saimod_sys_docu Class provided by System as saimod to display the code documentation
+ */
+class saimod_sys_docu extends \SYSTEM\SAI\SaiModule {
+    /**
+     * Generate the HTML for the Saimods startpage
+     * 
+     * @return string Returns HTML for the Saimods startpage
+     */
     public static function sai_mod__SYSTEM_SAI_saimod_sys_docu(){
         $phpdocconfigs = \SYSTEM\DOCU\docu::getAll();
         $vars = \SYSTEM\PAGE\text::tag(\SYSTEM\SQL\system_text::TAG_SAI_DOCU);
@@ -46,12 +55,32 @@ class saimod_sys_docu extends \SYSTEM\SAI\SaiModule {
         return \SYSTEM\PAGE\replace::replaceFile((new \SYSTEM\PSAI('modules/saimod_sys_docu/tpl/saimod_sys_docu_iframe.tpl'))->SERVERPATH(), $vars);
     }
     
-    //public static function html_li_menu(){return '<li><a id="menu_docu" href="#!docu"><span class="glyphicon glyphicon-book" aria-hidden="true"></span> ${sai_menu_docu}</a></li>';}
+    /**
+     * Generate <li> Menu for the Saimod
+     * 
+     * @return string Returns <li> Menu for the Saimod
+     */
     public static function html_li_menu(){return '<li><a id="menu_docu" data-toggle="tooltip" data-placement="bottom" title="${sai_menu_docu}" href="#!docu"><span class="glyphicon glyphicon-book" aria-hidden="true"></span></a></li>';}
-    public static function right_public(){return false;}    
+    
+    /**
+     * Returns if the Saimod is public(access for everyone)
+     * 
+     * @return boolean Returns if the Saimod is public(true) or not(false)
+     */
+    public static function right_public(){return false;}
+    
+    /**
+     * Returns if the requesting user has the required rights to access the Saimod
+     * 
+     * @return boolean Returns true if the user can access
+     */
     public static function right_right(){return \SYSTEM\SECURITY\security::check(\SYSTEM\SECURITY\RIGHTS::SYS_SAI);}
     
-    //public static function css(){}
+    /**
+     * Get all js System Paths required for this Saimod
+     * 
+     * @return array Returns array of Pathobjects pointing to the saimods js
+     */
     public static function js(){
         return array(new \SYSTEM\PSAI('modules/saimod_sys_docu/js/saimod_sys_docu.js'));}
 }
\ No newline at end of file
diff --git a/sai/modules/saimod_sys_files/saimod_sys_files.php b/sai/modules/saimod_sys_files/saimod_sys_files.php
index f015785..f82c89f 100644
--- a/sai/modules/saimod_sys_files/saimod_sys_files.php
+++ b/sai/modules/saimod_sys_files/saimod_sys_files.php
@@ -11,6 +11,9 @@
  */
 namespace SYSTEM\SAI;
 
+/**
+ * saimod_sys_files Class provided by System as saimod to manage files (files feature)
+ */
 class saimod_sys_files extends \SYSTEM\SAI\SaiModule {    
     public static function sai_mod__SYSTEM_SAI_saimod_sys_files_action_del($cat,$id){
         if(!\SYSTEM\FILES\files::delete($cat, $id)){
@@ -32,6 +35,12 @@ class saimod_sys_files extends \SYSTEM\SAI\SaiModule {
         
         return \SYSTEM\LOG\JsonResult::ok();
     }
+    
+    /**
+     * Generate the HTML for the Saimods startpage
+     * 
+     * @return string Returns HTML for the Saimods startpage
+     */
     public static function sai_mod__SYSTEM_SAI_saimod_sys_files(){
         $vars['tabopts'] = '';
         
@@ -53,12 +62,32 @@ class saimod_sys_files extends \SYSTEM\SAI\SaiModule {
         $vars = array_merge($vars, \SYSTEM\PAGE\text::tag(\SYSTEM\SQL\system_text::TAG_SAI_FILES));    
         return \SYSTEM\PAGE\replace::replaceFile((new \SYSTEM\PSAI('modules/saimod_sys_files/tpl/saimod_sys_files_list.tpl'))->SERVERPATH(), $vars);}
     
-    //public static function html_li_menu(){return '<li><a id="menu_files" href="#!files">${sai_menu_files}</a></li>';}
+    /**
+     * Generate <li> Menu for the Saimod
+     * 
+     * @return string Returns <li> Menu for the Saimod
+     */
     public static function html_li_menu(){return '<li><a id="menu_files" data-toggle="tooltip" data-placement="bottom" title="${sai_menu_files}" href="#!files"><span class="glyphicon glyphicon-duplicate" aria-hidden="true"></span></a></li>';}    
-    public static function right_public(){return false;}    
+    
+    /**
+     * Returns if the Saimod is public(access for everyone)
+     * 
+     * @return boolean Returns if the Saimod is public(true) or not(false)
+     */
+    public static function right_public(){return false;}
+    
+    /**
+     * Returns if the requesting user has the required rights to access the Saimod
+     * 
+     * @return boolean Returns true if the user can access
+     */
     public static function right_right(){return \SYSTEM\SECURITY\security::check(\SYSTEM\SECURITY\RIGHTS::SYS_SAI) && \SYSTEM\SECURITY\security::check(\SYSTEM\SECURITY\RIGHTS::SYS_SAI_FILES);}
     
-    //public static function css(){}
+    /**
+     * Get all js System Paths required for this Saimod
+     * 
+     * @return array Returns array of Pathobjects pointing to the saimods js
+     */
     public static function js(){
         return array(new \SYSTEM\PSAI('modules/saimod_sys_files/js/saimod_sys_files.js'));}
 }
\ No newline at end of file
diff --git a/sai/modules/saimod_sys_git/saimod_sys_git.php b/sai/modules/saimod_sys_git/saimod_sys_git.php
index a066a50..13d2d78 100644
--- a/sai/modules/saimod_sys_git/saimod_sys_git.php
+++ b/sai/modules/saimod_sys_git/saimod_sys_git.php
@@ -11,7 +11,15 @@
  */
 namespace SYSTEM\SAI;
 
-class saimod_sys_git extends \SYSTEM\SAI\SaiModule {    
+/**
+ * saimod_sys_git Class provided by System as saimod to display git information on the project and system
+ */
+class saimod_sys_git extends \SYSTEM\SAI\SaiModule {
+    /**
+     * Generate the HTML for the Saimods startpage
+     * 
+     * @return string Returns HTML for the Saimods startpage
+     */
     public static function sai_mod__SYSTEM_SAI_saimod_sys_git(){
         $vars = \SYSTEM\PAGE\text::tag(\SYSTEM\SQL\system_text::TAG_SAI_GIT);
         $vars = array_merge($vars,self::getGitInfo());
@@ -48,11 +56,24 @@ class saimod_sys_git extends \SYSTEM\SAI\SaiModule {
         return 'success';                
     }
     
-    //public static function html_li_menu(){return '<li><a id="menu_git" href="#!git"><span class="glyphicon glyphicon-saved" aria-hidden="true"></span>${sai_menu_git}</a></li>';}
+    /**
+     * Generate <li> Menu for the Saimod
+     * 
+     * @return string Returns <li> Menu for the Saimod
+     */
     public static function html_li_menu(){return '</ul><ul class="nav navbar-nav navbar-right sai_divider_left"><li><a id="menu_git" data-toggle="tooltip" data-placement="bottom" title="${sai_menu_git}" href="#!git"><span class="glyphicon glyphicon-saved" aria-hidden="true"></span></a></li>';}
-    public static function right_public(){return false;}    
-    public static function right_right(){return \SYSTEM\SECURITY\security::check(\SYSTEM\SECURITY\RIGHTS::SYS_SAI);}
     
-    //public static function css(){}
-    //public static function js(){}
+    /**
+     * Returns if the Saimod is public(access for everyone)
+     * 
+     * @return boolean Returns if the Saimod is public(true) or not(false)
+     */
+    public static function right_public(){return false;}
+    
+    /**
+     * Returns if the requesting user has the required rights to access the Saimod
+     * 
+     * @return boolean Returns true if the user can access
+     */
+    public static function right_right(){return \SYSTEM\SECURITY\security::check(\SYSTEM\SECURITY\RIGHTS::SYS_SAI);}
 }
\ No newline at end of file
diff --git a/sai/modules/saimod_sys_langswitcher/saimod_sys_langswitcher.php b/sai/modules/saimod_sys_langswitcher/saimod_sys_langswitcher.php
index 38ba3ef..8b690d8 100644
--- a/sai/modules/saimod_sys_langswitcher/saimod_sys_langswitcher.php
+++ b/sai/modules/saimod_sys_langswitcher/saimod_sys_langswitcher.php
@@ -11,7 +11,11 @@
  */
 namespace SYSTEM\SAI;
 
-class saimod_sys_langswitcher extends \SYSTEM\SAI\SaiModule {    
+/**
+ * saimod_sys_langswitcher Class provided by System as saimod to display langswitching functionality
+ * @todo Remove as saimod
+ */
+class saimod_sys_langswitcher extends \SYSTEM\SAI\SaiModule {
     public static function html_li_menu(){
         //return self::lang_menu('./sai.php');
         
diff --git a/sai/modules/saimod_sys_log/saimod_sys_log.php b/sai/modules/saimod_sys_log/saimod_sys_log.php
index e079c40..b322a7f 100644
--- a/sai/modules/saimod_sys_log/saimod_sys_log.php
+++ b/sai/modules/saimod_sys_log/saimod_sys_log.php
@@ -10,6 +10,10 @@
  * @package     SYSTEM\SAI
  */
 namespace SYSTEM\SAI;
+
+/**
+ * saimod_sys_log Class provided by System as saimod to manage the system_log table
+ */
 class saimod_sys_log extends \SYSTEM\SAI\SaiModule {    
     public static function sai_mod__SYSTEM_SAI_saimod_sys_log_action_truncate(){        
         \SYSTEM\SQL\SYS_SAIMOD_LOG_TRUNCATE::QQ();
@@ -339,6 +343,11 @@ class saimod_sys_log extends \SYSTEM\SAI\SaiModule {
         return \SYSTEM\PAGE\replace::replaceFile((new \SYSTEM\PSAI('modules/saimod_sys_log/tpl/saimod_sys_log_filter.tpl'))->SERVERPATH(),$vars);
     }
     
+    /**
+     * Generate the HTML for the Saimods startpage
+     * 
+     * @return string Returns HTML for the Saimods startpage
+     */
     public static function sai_mod__SYSTEM_SAI_saimod_sys_log(){
         $vars = \SYSTEM\PAGE\text::tag(\SYSTEM\SQL\system_text::TAG_SAI_LOG);
         $vars['PICPATH'] = (new \SYSTEM\PSAI('modules/saimod_sys_log/img/'))->WEBPATH(false);
@@ -361,12 +370,32 @@ class saimod_sys_log extends \SYSTEM\SAI\SaiModule {
         }        
     }
     
-    //public static function html_li_menu(){return '<li><a id="menu_log" href="#!log">${sai_menu_log}</a></li>';}
+    /**
+     * Generate <li> Menu for the Saimod
+     * 
+     * @return string Returns <li> Menu for the Saimod
+     */
     public static function html_li_menu(){return '<li><a id="menu_log" data-toggle="tooltip" data-placement="bottom" title="${sai_menu_log}" href="#!log"><span class="glyphicon glyphicon-alert" aria-hidden="true"></span></a></li>';}
-    public static function right_public(){return false;}    
+    
+    /**
+     * Returns if the Saimod is public(access for everyone)
+     * 
+     * @return boolean Returns if the Saimod is public(true) or not(false)
+     */
+    public static function right_public(){return false;}
+    
+    /**
+     * Returns if the requesting user has the required rights to access the Saimod
+     * 
+     * @return boolean Returns true if the user can access
+     */
     public static function right_right(){return \SYSTEM\SECURITY\security::check(\SYSTEM\SECURITY\RIGHTS::SYS_SAI);}
     
-    //public static function css(){}
+    /**
+     * Get all js System Paths required for this Saimod
+     * 
+     * @return array Returns array of Pathobjects pointing to the saimods js
+     */
     public static function js(){
         return array(new \SYSTEM\PSAI('modules/saimod_sys_log/js/saimod_sys_log.js'));}
 }
\ No newline at end of file
diff --git a/sai/modules/saimod_sys_login/saimod_sys_login.php b/sai/modules/saimod_sys_login/saimod_sys_login.php
index 019ede5..5d13e4f 100644
--- a/sai/modules/saimod_sys_login/saimod_sys_login.php
+++ b/sai/modules/saimod_sys_login/saimod_sys_login.php
@@ -10,7 +10,16 @@
  * @package     SYSTEM\SAI
  */
 namespace SYSTEM\SAI;
+
+/**
+ * saimod_sys_login Class provided by System as saimod to provide login/register functionality
+ */
 class saimod_sys_login extends \SYSTEM\SAI\SaiModule {
+    /**
+     * Generate the HTML for the Saimods startpage
+     * 
+     * @return string Returns HTML for the Saimods startpage
+     */
     public static function sai_mod__SYSTEM_SAI_saimod_sys_login(){              
         $vars = \SYSTEM\PAGE\text::tag(\SYSTEM\SQL\system_text::TAG_SAI_LOGIN);
         $vars['login'] = 'Login';
@@ -42,11 +51,32 @@ class saimod_sys_login extends \SYSTEM\SAI\SaiModule {
         $vars = \SYSTEM\PAGE\text::tag(\SYSTEM\SQL\system_text::TAG_SAI_LOGIN);
         return \SYSTEM\PAGE\replace::replaceFile((new \SYSTEM\PSAI('modules/saimod_sys_login/tpl/register.tpl'))->SERVERPATH(), $vars);}
 
+    /**
+     * Generate <li> Menu for the Saimod
+     * 
+     * @return string Returns <li> Menu for the Saimod
+     */
     public static function html_li_menu(){return '<li class="sai_divider_left"><a id="menu_login" data-toggle="tooltip" data-placement="bottom" title="${sai_menu_login}" href="#!login">'.(\SYSTEM\SECURITY\security::isLoggedIn() ? '<span class="glyphicon glyphicon-log-out" aria-hidden="true"></span>' : '<span class="glyphicon glyphicon-log-in" aria-hidden="true"></span>').'</a></li>';}
-    public static function right_public(){return true;}    
+    
+    /**
+     * Returns if the Saimod is public(access for everyone)
+     * 
+     * @return boolean Returns if the Saimod is public(true) or not(false)
+     */
+    public static function right_public(){return true;}
+    
+    /**
+     * Returns if the requesting user has the required rights to access the Saimod
+     * 
+     * @return boolean Returns true if the user can access
+     */
     public static function right_right(){return true;}
     
-    //public static function css(){}
+    /**
+     * Get all js System Paths required for this Saimod
+     * 
+     * @return array Returns array of Pathobjects pointing to the saimods js
+     */
     public static function js(){
         return array(   \LIB\lib_jqbootstrapvalidation::js(),
                         new \SYSTEM\PSAI('modules/saimod_sys_login/js/sai_sys_login_submit.js'),
diff --git a/sai/modules/saimod_sys_mod/saimod_sys_mod.php b/sai/modules/saimod_sys_mod/saimod_sys_mod.php
index 2ad35ca..b615c3f 100644
--- a/sai/modules/saimod_sys_mod/saimod_sys_mod.php
+++ b/sai/modules/saimod_sys_mod/saimod_sys_mod.php
@@ -10,6 +10,10 @@
  * @package     SYSTEM\SAI
  */
 namespace SYSTEM\SAI;
+
+/**
+ * saimod_sys_mod Class provided by System as saimod to display all registered saimods & libraries
+ */
 class saimod_sys_mod extends \SYSTEM\SAI\SaiModule {
     public static function sai_mod__SYSTEM_SAI_saimod_sys_mod_action_system(){
         $vars = \SYSTEM\PAGE\text::tag(\SYSTEM\SQL\system_text::TAG_SAI_MOD);
@@ -64,16 +68,40 @@ class saimod_sys_mod extends \SYSTEM\SAI\SaiModule {
         return \SYSTEM\PAGE\replace::replaceFile((new \SYSTEM\PSAI('modules/saimod_sys_mod/tpl/lib_table.tpl'))->SERVERPATH(),$vars);
     }
     
-    
+    /**
+     * Generate the HTML for the Saimods startpage
+     * 
+     * @return string Returns HTML for the Saimods startpage
+     */
     public static function sai_mod__SYSTEM_SAI_saimod_sys_mod(){
         return \SYSTEM\PAGE\replace::replaceFile((new \SYSTEM\PSAI('modules/saimod_sys_mod/tpl/mods.tpl'))->SERVERPATH(),\SYSTEM\PAGE\text::tag(\SYSTEM\SQL\system_text::TAG_SAI_MOD));}
     
-    //public static function html_li_menu(){return '<li><a id="menu_mod" href="#!mod">${sai_menu_mod}</a></li>';}
+    /**
+     * Generate <li> Menu for the Saimod
+     * 
+     * @return string Returns <li> Menu for the Saimod
+     */
     public static function html_li_menu(){return '<li><a id="menu_mod" data-toggle="tooltip" data-placement="bottom" title="${sai_menu_mod}" href="#!mod"><span class="glyphicon glyphicon-plus" aria-hidden="true"></span></a></li>';}    
-    public static function right_public(){return false;}    
+    
+    /**
+     * Returns if the Saimod is public(access for everyone)
+     * 
+     * @return boolean Returns if the Saimod is public(true) or not(false)
+     */
+    public static function right_public(){return false;}
+    
+    /**
+     * Returns if the requesting user has the required rights to access the Saimod
+     * 
+     * @return boolean Returns true if the user can access
+     */
     public static function right_right(){return \SYSTEM\SECURITY\security::check(\SYSTEM\SECURITY\RIGHTS::SYS_SAI);}
     
-    //public static function css(){}
+    /**
+     * Get all js System Paths required for this Saimod
+     * 
+     * @return array Returns array of Pathobjects pointing to the saimods js
+     */
     public static function js(){
         return array(new \SYSTEM\PSAI('modules/saimod_sys_mod/js/saimod_sys_mod.js'));}
 }
\ No newline at end of file
diff --git a/sai/modules/saimod_sys_page/saimod_sys_page.php b/sai/modules/saimod_sys_page/saimod_sys_page.php
index 78b4205..21f23bc 100644
--- a/sai/modules/saimod_sys_page/saimod_sys_page.php
+++ b/sai/modules/saimod_sys_page/saimod_sys_page.php
@@ -10,7 +10,16 @@
  * @package     SYSTEM\SAI
  */
 namespace SYSTEM\SAI;
-class saimod_sys_page extends \SYSTEM\SAI\SaiModule {    
+
+/**
+ * saimod_sys_page Class provided by System as saimod to manage the system_page table
+ */
+class saimod_sys_page extends \SYSTEM\SAI\SaiModule {
+    /**
+     * Generate the HTML for the Saimods startpage
+     * 
+     * @return string Returns HTML for the Saimods startpage
+     */
     public static function sai_mod__SYSTEM_SAI_saimod_sys_page(){
         $vars = \SYSTEM\PAGE\text::tag(\SYSTEM\SQL\system_text::TAG_SAI_PAGE);
         $vars['tabopts'] = '';
@@ -76,13 +85,40 @@ class saimod_sys_page extends \SYSTEM\SAI\SaiModule {
         }        
     }
     
-    //public static function html_li_menu(){return '<li><a id="menu_page" href="#!page">${sai_menu_page}</a></li>';}
+    /**
+     * Generate <li> Menu for the Saimod
+     * 
+     * @return string Returns <li> Menu for the Saimod
+     */
     public static function html_li_menu(){return '<li><a id="menu_page" data-toggle="tooltip" data-placement="bottom" title="${sai_menu_page}" href="#!page"><span class="glyphicon glyphicon-blackboard" aria-hidden="true"></span></a></li>';}
-    public static function right_public(){return false;}    
+    
+    /**
+     * Returns if the Saimod is public(access for everyone)
+     * 
+     * @return boolean Returns if the Saimod is public(true) or not(false)
+     */
+    public static function right_public(){return false;}
+    
+    /**
+     * Returns if the requesting user has the required rights to access the Saimod
+     * 
+     * @return boolean Returns true if the user can access
+     */
     public static function right_right(){return \SYSTEM\SECURITY\security::check(\SYSTEM\SECURITY\RIGHTS::SYS_SAI) && \SYSTEM\SECURITY\security::check(\SYSTEM\SECURITY\RIGHTS::SYS_SAI_API);}
     
+    /**
+     * Get all css System Paths required for this Saimod
+     * 
+     * @return array Returns array of Pathobjects pointing to the saimods css
+     */
     public static function css(){
         return array(new \SYSTEM\PSAI('modules/saimod_sys_page/css/saimod_sys_page.css'));}
+        
+    /**
+     * Get all js System Paths required for this Saimod
+     * 
+     * @return array Returns array of Pathobjects pointing to the saimods js
+     */
     public static function js(){
         return array(new \SYSTEM\PSAI('modules/saimod_sys_page/js/saimod_sys_page.js'));}
 }
\ No newline at end of file
diff --git a/sai/modules/saimod_sys_security/saimod_sys_security.php b/sai/modules/saimod_sys_security/saimod_sys_security.php
index a00a51c..10b1b1f 100644
--- a/sai/modules/saimod_sys_security/saimod_sys_security.php
+++ b/sai/modules/saimod_sys_security/saimod_sys_security.php
@@ -11,6 +11,9 @@
  */
 namespace SYSTEM\SAI;
 
+/**
+ * saimod_sys_security Class provided by System as saimod to manage the system_user, system_rights, system_user_to_rights table
+ */
 class saimod_sys_security extends \SYSTEM\SAI\SaiModule {
     
     public static function sai_mod__SYSTEM_SAI_saimod_sys_security_action_groups(){
@@ -162,6 +165,11 @@ class saimod_sys_security extends \SYSTEM\SAI\SaiModule {
         return \SYSTEM\PAGE\replace::replaceFile((new \SYSTEM\PSAI('modules/saimod_sys_security/tpl/saimod_sys_security_users.tpl'))->SERVERPATH(),$vars);
     }
     
+    /**
+     * Generate the HTML for the Saimods startpage
+     * 
+     * @return string Returns HTML for the Saimods startpage
+     */
     public static function sai_mod__SYSTEM_SAI_saimod_sys_security(){
         $vars = \SYSTEM\PAGE\text::tag(\SYSTEM\SQL\system_text::TAG_SAI_SECURITY);
         $vars['PICPATH'] = (new \SYSTEM\PSAI('modules/saimod_sys_log/img/'))->WEBPATH(false);
@@ -191,12 +199,40 @@ class saimod_sys_security extends \SYSTEM\SAI\SaiModule {
         return 'error';
     }
     
+    /**
+     * Generate <li> Menu for the Saimod
+     * 
+     * @return string Returns <li> Menu for the Saimod
+     */
     public static function html_li_menu(){return '<li><a id="menu_security" data-toggle="tooltip" data-placement="bottom" title="${sai_menu_security}" href="#!security"><span class="glyphicon glyphicon-lock" aria-hidden="true"></span></a></li>';}
-    public static function right_public(){return false;}    
+    
+    /**
+     * Returns if the Saimod is public(access for everyone)
+     * 
+     * @return boolean Returns if the Saimod is public(true) or not(false)
+     */
+    public static function right_public(){return false;}
+    
+    /**
+     * Returns if the requesting user has the required rights to access the Saimod
+     * 
+     * @return boolean Returns true if the user can access
+     */
     public static function right_right(){return \SYSTEM\SECURITY\security::check(\SYSTEM\SECURITY\RIGHTS::SYS_SAI) && \SYSTEM\SECURITY\security::check(\SYSTEM\SECURITY\RIGHTS::SYS_SAI_SECURITY);}
     
+    /**
+     * Get all css System Paths required for this Saimod
+     * 
+     * @return array Returns array of Pathobjects pointing to the saimods css
+     */
     public static function css(){
         return array(new \SYSTEM\PSAI('modules/saimod_sys_security/css/saimod_sys_security.css'));}
+    
+    /**
+     * Get all js System Paths required for this Saimod
+     * 
+     * @return array Returns array of Pathobjects pointing to the saimods js
+     */
     public static function js(){
         return array(new \SYSTEM\PSAI('modules/saimod_sys_security/js/saimod_sys_security.js'));}
 }
\ No newline at end of file
diff --git a/sai/modules/saimod_sys_text/saimod_sys_text.php b/sai/modules/saimod_sys_text/saimod_sys_text.php
index 11b1958..450ad89 100644
--- a/sai/modules/saimod_sys_text/saimod_sys_text.php
+++ b/sai/modules/saimod_sys_text/saimod_sys_text.php
@@ -10,7 +10,16 @@
  * @package     SYSTEM\SAI
  */
 namespace SYSTEM\SAI;
+
+/**
+ * saimod_sys_text Class provided by System as saimod to manage the system_text, system_text_tag table
+ */
 class saimod_sys_text extends \SYSTEM\SAI\SaiModule {
+    /**
+     * Generate the HTML for the Saimods startpage
+     * 
+     * @return string Returns HTML for the Saimods startpage
+     */
     public static function sai_mod__SYSTEM_SAI_saimod_sys_text(){        
         $vars = \SYSTEM\PAGE\text::tag(\SYSTEM\SQL\system_text::TAG_SAI_TEXT);
         $vars['tabopts'] = '';
@@ -126,13 +135,40 @@ class saimod_sys_text extends \SYSTEM\SAI\SaiModule {
     public static function sai_mod__SYSTEM_SAI_saimod_sys_text_action_delete($id, $lang = null){
         return \SYSTEM\PAGE\text::delete($id, $lang) ? \SYSTEM\LOG\JsonResult::ok() : \SYSTEM\LOG\JsonResult::fail();}
       
-    //public static function html_li_menu(){return '<li><a id="menu_text" href="#!text">${sai_menu_text}</a></li>';}
+    /**
+     * Generate <li> Menu for the Saimod
+     * 
+     * @return string Returns <li> Menu for the Saimod
+     */
     public static function html_li_menu(){return '<li><a id="menu_text" data-toggle="tooltip" data-placement="bottom" title="${sai_menu_text}" href="#!text"><span class="glyphicon glyphicon-text-size" aria-hidden="true"></span></a></li>';}    
-    public static function right_public(){return false;}    
+    
+    /**
+     * Returns if the Saimod is public(access for everyone)
+     * 
+     * @return boolean Returns if the Saimod is public(true) or not(false)
+     */
+    public static function right_public(){return false;}
+    
+    /**
+     * Returns if the requesting user has the required rights to access the Saimod
+     * 
+     * @return boolean Returns true if the user can access
+     */
     public static function right_right(){return \SYSTEM\SECURITY\security::check(\SYSTEM\SECURITY\RIGHTS::SYS_SAI) && \SYSTEM\SECURITY\security::check(\SYSTEM\SECURITY\RIGHTS::SYS_SAI_LOCALE);}
     
+    /**
+     * Get all css System Paths required for this Saimod
+     * 
+     * @return array Returns array of Pathobjects pointing to the saimods css
+     */
     public static function css(){
         return array(new \SYSTEM\PSAI('modules/saimod_sys_text/css/saimod_sys_text.css'));}
+        
+    /**
+     * Get all js System Paths required for this Saimod
+     * 
+     * @return array Returns array of Pathobjects pointing to the saimods js
+     */
     public static function js(){
         return array(new \SYSTEM\PSAI('modules/saimod_sys_text/js/saimod_sys_text.js'));}
 }
\ No newline at end of file
diff --git a/sai/modules/saimod_sys_todo/saimod_sys_todo.php b/sai/modules/saimod_sys_todo/saimod_sys_todo.php
index 1c7f758..053545a 100644
--- a/sai/modules/saimod_sys_todo/saimod_sys_todo.php
+++ b/sai/modules/saimod_sys_todo/saimod_sys_todo.php
@@ -11,6 +11,9 @@
  */
 namespace SYSTEM\SAI;
 
+/**
+ * saimod_sys_todo Class provided by System as saimod to manage the system_todo, system_todo_assign table
+ */
 class saimod_sys_todo extends \SYSTEM\SAI\SaiModule {
     private static $stats = array(); //only strings!
     
@@ -48,6 +51,11 @@ class saimod_sys_todo extends \SYSTEM\SAI\SaiModule {
         \SYSTEM\SQL\SYS_SAIMOD_TODO_PRIORITY::QI(array(-1,$todo));
         return \SYSTEM\LOG\JsonResult::ok();}
     
+    /**
+     * Generate the HTML for the Saimods startpage
+     * 
+     * @return string Returns HTML for the Saimods startpage
+     */
     public static function sai_mod__SYSTEM_SAI_saimod_sys_todo(){
         $vars = \SYSTEM\PAGE\text::tag(\SYSTEM\SQL\system_text::TAG_SAI_TODO);
         $vars['PICPATH'] = (new \SYSTEM\PSAI('modules/saimod_sys_log/img/'))->WEBPATH(false);
@@ -236,11 +244,32 @@ class saimod_sys_todo extends \SYSTEM\SAI\SaiModule {
                \SYSTEM\PAGE\replace::replaceFile((new \SYSTEM\PSAI('modules/saimod_sys_todo/tpl/saimod_sys_todo_todo_user.tpl'))->SERVERPATH(), $vars) :
                \SYSTEM\PAGE\replace::replaceFile((new \SYSTEM\PSAI('modules/saimod_sys_todo/tpl/saimod_sys_todo_todo.tpl'))->SERVERPATH(), $vars);}
     
+    /**
+     * Generate <li> Menu for the Saimod
+     * 
+     * @return string Returns <li> Menu for the Saimod
+     */
     public static function html_li_menu(){return '<li><a id="menu_todo" data-toggle="tooltip" data-placement="bottom" title="${sai_menu_todo}" href="#!todo"><span class="glyphicon glyphicon-list" aria-hidden="true"></span></a></li>';}
-    public static function right_public(){return false;}    
+    
+    /**
+     * Returns if the Saimod is public(access for everyone)
+     * 
+     * @return boolean Returns if the Saimod is public(true) or not(false)
+     */
+    public static function right_public(){return false;}
+    
+    /**
+     * Returns if the requesting user has the required rights to access the Saimod
+     * 
+     * @return boolean Returns true if the user can access
+     */
     public static function right_right(){return \SYSTEM\SECURITY\security::check(\SYSTEM\SECURITY\RIGHTS::SYS_SAI);}
     
-    //public static function css(){}
+    /**
+     * Get all js System Paths required for this Saimod
+     * 
+     * @return array Returns array of Pathobjects pointing to the saimods js
+     */
     public static function js(){
         return array(new \SYSTEM\PSAI('modules/saimod_sys_todo/js/saimod_sys_todo.js'));}
     
diff --git a/sai/modules/saistart_sys_sai/saistart_sys_sai.php b/sai/modules/saistart_sys_sai/saistart_sys_sai.php
index 079d255..ab60430 100644
--- a/sai/modules/saistart_sys_sai/saistart_sys_sai.php
+++ b/sai/modules/saistart_sys_sai/saistart_sys_sai.php
@@ -11,18 +11,54 @@
  */
 namespace SYSTEM\SAI;
 
-class saistart_sys_sai extends \SYSTEM\SAI\SaiModule {    
+/**
+ * saimod_sys_sai Class provided by System as start saimod to display an overview over the Project
+ */
+class saistart_sys_sai extends \SYSTEM\SAI\SaiModule {
+    /**
+     * Generate the HTML for the Saimods startpage
+     * 
+     * @return string Returns HTML for the Saimods startpage
+     */
     public static function sai_mod__SYSTEM_SAI_saistart_sys_sai(){
         $vars = array_merge(array(  'content' => self::html_content()),
                                     \SYSTEM\PAGE\text::tag(\SYSTEM\SQL\system_text::TAG_SAI_START));
         return \SYSTEM\PAGE\replace::replaceFile((new \SYSTEM\PSAI('modules/saistart_sys_sai/tpl/saistart.tpl'))->SERVERPATH(),$vars);}
-    //public static function html_li_menu(){return '<li class="active"><a id="menu_start" href="#">${sai_menu_start}</a></li>';}
+    
+    /**
+     * Generate <li> Menu for the Saimod
+     * 
+     * @return string Returns <li> Menu for the Saimod
+     */
     public static function html_li_menu(){return '<li class="active sai_menu_first"><a id="menu_start" data-toggle="tooltip" data-placement="bottom" title="${sai_menu_start}" href="#"><span class="glyphicon glyphicon-home" aria-hidden="true"></span></a></li>';}
-    public static function right_public(){return true;}    
+    
+    /**
+     * Returns if the Saimod is public(access for everyone)
+     * 
+     * @return boolean Returns if the Saimod is public(true) or not(false)
+     */
+    public static function right_public(){return true;}
+    
+    /**
+     * Returns if the requesting user has the required rights to access the Saimod
+     * 
+     * @return boolean Returns true if the user can access
+     */
     public static function right_right(){return true;}
     
+    /**
+     * Get all css System Paths required for this Saimod
+     * 
+     * @return array Returns array of Pathobjects pointing to the saimods css
+     */
     public static function css(){
         return array(new \SYSTEM\PSAI('modules/saistart_sys_sai/css/saistart_sys_sai.css'));}
+        
+    /**
+     * Get all js System Paths required for this Saimod
+     * 
+     * @return array Returns array of Pathobjects pointing to the saimods js
+     */
     public static function js(){
         return array(   new \SYSTEM\PSAI('modules/saistart_sys_sai/js/saistart_sys_sai.js'),
                         new \SYSTEM\PSAI('js/crypto/jquery.md5.js'),
diff --git a/sai/page/default_page.php b/sai/page/default_page.php
index 7b2a079..c370a90 100644
--- a/sai/page/default_page.php
+++ b/sai/page/default_page.php
@@ -94,6 +94,7 @@ class default_page implements \SYSTEM\PAGE\DefaultPage {
     /**
      * Get Sai Default Page HTML
      *
+     * @param string $_escaped_fragment_ Fragment from Hashbang Crawling - if this is present no js will be included
      * @return string Returns html of the Sai Default Page
      */
     public function html($_escaped_fragment_ = NULL){
diff --git a/sai/sai/SaiModule.php b/sai/sai/SaiModule.php
index b9ae74a..da5ab31 100644
--- a/sai/sai/SaiModule.php
+++ b/sai/sai/SaiModule.php
@@ -32,6 +32,7 @@ class SaiModule extends \SYSTEM\API\api_default{
     /**
      * Get the Classname of this class or derived registered saimod
      *
+     * @param array $params Parameters with which the Saimodule was called
      * @return string Returns name of the class this api operates on.
      */
     public static function get_class($params = NULL){
diff --git a/sai/sai/saigui.php b/sai/sai/saigui.php
index fbea46a..4eb6e16 100644
--- a/sai/sai/saigui.php
+++ b/sai/sai/saigui.php
@@ -43,7 +43,7 @@ class saigui {
                                                                 'lib/phpdocumentor/*',
                                                                 'lib/scssphp/*',
                                                                 'lib/tablesorter/*',
-                                                                'lib/texttilate/*',
+                                                                'lib/textillate/*',
                                                                 'lib/tinymce/*',
                                                                 'lib/jstree/*',
                                                                 'lib/phpdoc_md/*'),
diff --git a/sql/qt/DATA_SYSTEM_API.php b/sql/qt/DATA_SYSTEM_API.php
index e9ef472..cbbc8a1 100644
--- a/sql/qt/DATA_SYSTEM_API.php
+++ b/sql/qt/DATA_SYSTEM_API.php
@@ -21,11 +21,23 @@ class DATA_SYSTEM_API extends \SYSTEM\DB\QI {
      * @return string Returns classname
      */
     public static function get_class(){return \get_class();}
+    
+    /**
+     * Get paths of PostgreSQL compatible sql files
+     * 
+     * @return array Returns paths of PostgreSQL compatible sql files
+     */
     public static function files_pgsql(){
         return array(   (new \SYSTEM\PSQL('/qt/pgsql/data/system_api.sql'))->SERVERPATH(),
                         (new \SYSTEM\PSQL('/qt/pgsql/data/system_api_default.sql'))->SERVERPATH(),
                         (new \SYSTEM\PSQL('/qt/pgsql/data/system_sai_api.sql'))->SERVERPATH());
     }
+    
+    /**
+     * Get paths of MYSQL compatible sql files
+     * 
+     * @return array Returns paths of MYSQL compatible sql files
+     */
     public static function files_mysql(){
         return array(   (new \SYSTEM\PSQL('/qt/mysql/data/system_api.sql'))->SERVERPATH(),
                         (new \SYSTEM\PSQL('/qt/mysql/data/system_api_default.sql'))->SERVERPATH(),
diff --git a/sql/qt/DATA_SYSTEM_CRON.php b/sql/qt/DATA_SYSTEM_CRON.php
index 6cfcdc1..387d46c 100644
--- a/sql/qt/DATA_SYSTEM_CRON.php
+++ b/sql/qt/DATA_SYSTEM_CRON.php
@@ -21,10 +21,20 @@ class DATA_SYSTEM_CRON extends \SYSTEM\DB\QI {
      * @return string Returns classname
      */
     public static function get_class(){return \get_class();}
+    
+    /**
+     * Get paths of PostgreSQL compatible sql files
+     * 
+     * @return array Returns paths of PostgreSQL compatible sql files
+     */
     public static function files_pgsql(){
-        return array(   (new \SYSTEM\PSQL('/qt/pgsql/data/system_cron.sql'))->SERVERPATH());
-    }
+        return array(   (new \SYSTEM\PSQL('/qt/pgsql/data/system_cron.sql'))->SERVERPATH());}
+        
+    /**
+     * Get paths of MYSQL compatible sql files
+     * 
+     * @return array Returns paths of MYSQL compatible sql files
+     */
     public static function files_mysql(){
-        return array(   (new \SYSTEM\PSQL('/qt/mysql/data/system_cron.sql'))->SERVERPATH());
-    }    
+        return array(   (new \SYSTEM\PSQL('/qt/mysql/data/system_cron.sql'))->SERVERPATH());}    
 }
\ No newline at end of file
diff --git a/sql/qt/DATA_SYSTEM_PAGE.php b/sql/qt/DATA_SYSTEM_PAGE.php
index 82b3c21..6da4509 100644
--- a/sql/qt/DATA_SYSTEM_PAGE.php
+++ b/sql/qt/DATA_SYSTEM_PAGE.php
@@ -21,10 +21,20 @@ class DATA_SYSTEM_PAGE extends \SYSTEM\DB\QI {
      * @return string Returns classname
      */
     public static function get_class(){return \get_class();}
+    
+    /**
+     * Get paths of PostgreSQL compatible sql files
+     * 
+     * @return array Returns paths of PostgreSQL compatible sql files
+     */
     public static function files_pgsql(){
-        return array(   (new \SYSTEM\PSQL('/qt/pgsql/data/system_page.sql'))->SERVERPATH());
-    }
+        return array(   (new \SYSTEM\PSQL('/qt/pgsql/data/system_page.sql'))->SERVERPATH());}
+    
+    /**
+     * Get paths of MYSQL compatible sql files
+     * 
+     * @return array Returns paths of MYSQL compatible sql files
+     */
     public static function files_mysql(){
-        return array(   (new \SYSTEM\PSQL('/qt/mysql/data/system_page.sql'))->SERVERPATH());
-    }    
+        return array(   (new \SYSTEM\PSQL('/qt/mysql/data/system_page.sql'))->SERVERPATH());}    
 }
\ No newline at end of file
diff --git a/sql/qt/DATA_SYSTEM_RIGHTS.php b/sql/qt/DATA_SYSTEM_RIGHTS.php
index 384d92d..efe7dde 100644
--- a/sql/qt/DATA_SYSTEM_RIGHTS.php
+++ b/sql/qt/DATA_SYSTEM_RIGHTS.php
@@ -21,8 +21,20 @@ class DATA_SYSTEM_RIGHTS extends \SYSTEM\DB\QI {
      * @return string Returns classname
      */
     public static function get_class(){return \get_class();}
+    
+    /**
+     * Get paths of PostgreSQL compatible sql files
+     * 
+     * @return array Returns paths of PostgreSQL compatible sql files
+     */
     public static function files_pgsql(){
         return array(   (new \SYSTEM\PSQL('/qt/pgsql/data/system_rights.sql'))->SERVERPATH());}
+        
+    /**
+     * Get paths of MYSQL compatible sql files
+     * 
+     * @return array Returns paths of MYSQL compatible sql files
+     */
     public static function files_mysql(){
         return array(   (new \SYSTEM\PSQL('/qt/mysql/data/system_rights.sql'))->SERVERPATH());}
 }
\ No newline at end of file
diff --git a/sql/qt/DATA_SYSTEM_TEXT.php b/sql/qt/DATA_SYSTEM_TEXT.php
index f2adf62..dd66000 100644
--- a/sql/qt/DATA_SYSTEM_TEXT.php
+++ b/sql/qt/DATA_SYSTEM_TEXT.php
@@ -21,8 +21,20 @@ class DATA_SYSTEM_TEXT extends \SYSTEM\DB\QI {
      * @return string Returns classname
      */
     public static function get_class(){return \get_class();}
+    
+    /**
+     * Get paths of PostgreSQL compatible sql files
+     * 
+     * @return array Returns paths of PostgreSQL compatible sql files
+     */
     public static function files_pgsql(){
         return array(   (new \SYSTEM\PSQL('/qt/pgsql/data/system_text.sql'))->SERVERPATH());}
+        
+    /**
+     * Get paths of MYSQL compatible sql files
+     * 
+     * @return array Returns paths of MYSQL compatible sql files
+     */
     public static function files_mysql(){
         return array(   (new \SYSTEM\PSQL('/qt/mysql/data/system_text.sql'))->SERVERPATH());}
 }
\ No newline at end of file
diff --git a/sql/qt/SCHEMA_SYSTEM.php b/sql/qt/SCHEMA_SYSTEM.php
index 425a517..f15762c 100644
--- a/sql/qt/SCHEMA_SYSTEM.php
+++ b/sql/qt/SCHEMA_SYSTEM.php
@@ -21,6 +21,12 @@ class SCHEMA_SYSTEM extends \SYSTEM\DB\QI {
      * @return string Returns classname
      */
     public static function get_class(){return \get_class();}
+    
+    /**
+     * Get paths of PostgreSQL compatible sql files
+     * 
+     * @return array Returns paths of PostgreSQL compatible sql files
+     */
     public static function files_pgsql(){
         return array(   (new \SYSTEM\PSQL('/qt/pgsql/schema/system_api.sql'))->SERVERPATH(),
                         (new \SYSTEM\PSQL('/qt/pgsql/schema/system_cache.sql'))->SERVERPATH(),
@@ -34,7 +40,13 @@ class SCHEMA_SYSTEM extends \SYSTEM\DB\QI {
                         (new \SYSTEM\PSQL('/qt/pgsql/schema/system_todo_assign.sql'))->SERVERPATH(),
                         (new \SYSTEM\PSQL('/qt/pgsql/schema/system_user.sql'))->SERVERPATH(),
                         (new \SYSTEM\PSQL('/qt/pgsql/schema/system_user_to_rights.sql'))->SERVERPATH());
-    } 
+    }
+    
+    /**
+     * Get paths of MYSQL compatible sql files
+     * 
+     * @return array Returns paths of MYSQL compatible sql files
+     */
     public static function files_mysql(){
         return array(   (new \SYSTEM\PSQL('/qt/mysql/schema/system_api.sql'))->SERVERPATH(),
                         (new \SYSTEM\PSQL('/qt/mysql/schema/system_cache.sql'))->SERVERPATH(),
diff --git a/system/HEADER.php b/system/HEADER.php
index 71809cb..0e4199a 100644
--- a/system/HEADER.php
+++ b/system/HEADER.php
@@ -112,6 +112,7 @@ class HEADER {
     /**
      * Send FILE(download) Headers, if Header was not sent yet
      * 
+     * @param string $filename Filename which should be transmitted with the Filetransfere
      * @return null Returns null
      */
     public static function FILE($filename){