diff --git a/CHANGELOG b/CHANGELOG
index cfccabc..87cb57f 100644
--- a/CHANGELOG
+++ b/CHANGELOG
@@ -4,6 +4,12 @@
 Ralf Hertsch, Stockholmer Str. 31, 13359 Berlin (Germany)
 http://phpManufaktur.de - ralf.hertsch@phpManufaktur.de
 
+Release 0.55 - 2013-11-24
+
+* general program maintenance
+* fixed a problem recognizing the correct output filter
+* added icon.png (BlackCat CMS) and tool_icon.png (WebsiteBaker 2.8.4)
+
 Release 0.54 - 2013-10-29
 
 * Fixed precheck.php for use with BlackCat CMS v1.0
diff --git a/LICENSE b/LICENSE
deleted file mode 100644
index 35aab7d..0000000
--- a/LICENSE
+++ /dev/null
@@ -1,19 +0,0 @@
-Copyright (c) 2012 by Ralf Hertsch
-
-Permission is hereby granted, free of charge, to any person obtaining a copy of 
-this software and associated documentation files (the "Software"), to deal in 
-the Software without restriction, including without limitation the rights to 
-use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies 
-of the Software, and to permit persons to whom the Software is furnished to do 
-so, subject to the following conditions:
-
-The above copyright notice and this permission notice shall be included in all 
-copies or substantial portions of the Software.
-
-THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR 
-IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, 
-FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE 
-AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER 
-LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, 
-OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN 
-THE SOFTWARE.
\ No newline at end of file
diff --git a/LICENSE.md b/LICENSE.md
new file mode 100644
index 0000000..88dd23e
--- /dev/null
+++ b/LICENSE.md
@@ -0,0 +1,8 @@
+**Copyright (c) 2013 by Ralf Hertsch**
+
+Permission is hereby granted, free of charge, to any person obtaining a copy of this software and associated documentation files (the "Software"), to deal in the Software without restriction, including without limitation the rights to use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies 
+of the Software, and to permit persons to whom the Software is furnished to do so, subject to the following conditions:
+
+*The above copyright notice and this permission notice shall be included in all copies or substantial portions of the Software.*
+
+**THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.**
\ No newline at end of file
diff --git a/backend.css b/backend.css
index 8727758..57a60c9 100644
--- a/backend.css
+++ b/backend.css
@@ -3,7 +3,7 @@
  *
  * @author Ralf Hertsch <ralf.hertsch@phpmanufaktur.de>
  * @link http://phpmanufaktur.de
- * @copyright 2008-2012
+ * @copyright 2008-2013
  * @license MIT License (MIT) http://www.opensource.org/licenses/MIT
  */
 
@@ -110,6 +110,8 @@ textarea
   color: #000000;
   background-color: transparent;
   font-size: 9pt;
+    margin: 0;
+    padding: 5px;
 }
 .small
 {
@@ -159,4 +161,4 @@ td.copyright_hint {
 td.tweak_page_id {
   text-align: right;
   color: maroon;
-}
\ No newline at end of file
+}
diff --git a/class.filter.php b/class.filter.php
index 995dd2e..13e07de 100644
--- a/class.filter.php
+++ b/class.filter.php
@@ -5,7 +5,7 @@
  *
  * @author Ralf Hertsch <ralf.hertsch@phpmanufaktur.de>
  * @link http://phpmanufaktur.de
- * @copyright 2008-2012
+ * @copyright 2008-2013
  * @license MIT License (MIT) http://www.opensource.org/licenses/MIT
  */
 
@@ -40,9 +40,10 @@
 
 require_once (WB_PATH . '/framework/functions.php');
 
-function tweakImages($content) {
+function tweakImages(&$content) {
     $tweak = new processContent();
-    return $tweak->exec($content);
+    $content = $tweak->exec($content);
+    return $content;
 } // tweakImages()
 
 
@@ -651,4 +652,4 @@ private function checkImage(&$image, &$classes = array()) {
     } // checkImage()
 
 
-} // class processContent
\ No newline at end of file
+} // class processContent
diff --git a/class.gallery.php b/class.gallery.php
index 6451786..c1c39ee 100644
--- a/class.gallery.php
+++ b/class.gallery.php
@@ -5,7 +5,7 @@
  *
  * @author Ralf Hertsch <ralf.hertsch@phpmanufaktur.de>
  * @link http://phpmanufaktur.de
- * @copyright 2008-2012
+ * @copyright 2008-2013
  * @license MIT License (MIT) http://www.opensource.org/licenses/MIT
  */
 
diff --git a/class.tweak.php b/class.tweak.php
index b585077..de3806f 100644
--- a/class.tweak.php
+++ b/class.tweak.php
@@ -5,7 +5,7 @@
  *
  * @author Ralf Hertsch <ralf.hertsch@phpmanufaktur.de>
  * @link http://phpmanufaktur.de
- * @copyright 2008-2012
+ * @copyright 2008-2013
  * @license MIT License (MIT) http://www.opensource.org/licenses/MIT
  */
 
diff --git a/droplets/index.php b/droplets/index.php
index 72b4d95..5e313c8 100644
--- a/droplets/index.php
+++ b/droplets/index.php
@@ -5,7 +5,7 @@
  *
  * @author Ralf Hertsch <ralf.hertsch@phpmanufaktur.de>
  * @link http://phpmanufaktur.de
- * @copyright 2008-2012
+ * @copyright 2008-2013
  * @license MIT License (MIT) http://www.opensource.org/licenses/MIT
  */
 
diff --git a/droplets/it_gallery.php b/droplets/it_gallery.php
index fc17f95..569773f 100644
--- a/droplets/it_gallery.php
+++ b/droplets/it_gallery.php
@@ -5,7 +5,7 @@
  *
  * @author Ralf Hertsch <ralf.hertsch@phpmanufaktur.de>
  * @link http://phpmanufaktur.de
- * @copyright 2008-2012
+ * @copyright 2008-2013
  * @license MIT License (MIT) http://www.opensource.org/licenses/MIT
  */
 // load the image_tweak.jquery preset with LibraryAdmin
diff --git a/filter/imageTweak.php b/filter/imageTweak.php
index 3b61846..9bdba95 100644
--- a/filter/imageTweak.php
+++ b/filter/imageTweak.php
@@ -5,7 +5,7 @@
  *
  * @author Ralf Hertsch <ralf.hertsch@phpmanufaktur.de>
  * @link http://phpmanufaktur.de
- * @copyright 2008-2012
+ * @copyright 2008-2013
  * @license MIT License (MIT) http://www.opensource.org/licenses/MIT
  */
 
diff --git a/htt/backend.info.htt b/htt/backend.info.htt
index 981e6b1..b54ad98 100644
--- a/htt/backend.info.htt
+++ b/htt/backend.info.htt
@@ -7,7 +7,7 @@
     <tr>
       <td class="copyright_hint">
         <h2>imageTweak</h2>
-        <p><b>Release {$version}</b> - &copy 2008 - 2011 by phpManufaktur, Ralf Hertsch (Berlin)</p>
+        <p><b>Release {$version}</b> - &copy 2008 - 2013 by phpManufaktur, Ralf Hertsch (Berlin)</p>
         <p class="copyright_address"><b>phpManufaktur</b><br />Ralf Hertsch<br />Stockholmer Str. 31<br />13359 Berlin</p>
         <p class="copyright_contact">
           <a href="http://phpmanufaktur.de/image_tweak" target="_blank">http://phpManufaktur.de</a><br />
@@ -20,4 +20,4 @@
       </td>
     </tr>
   </table>
-</div>
\ No newline at end of file
+</div>
diff --git a/htt/frontend.gallery.lte b/htt/frontend.gallery.lte
index 352e3f6..22f773f 100644
--- a/htt/frontend.gallery.lte
+++ b/htt/frontend.gallery.lte
@@ -4,7 +4,7 @@
  *
  * @author Ralf Hertsch <ralf.hertsch@phpmanufaktur.de>
  * @link http://phpmanufaktur.de
- * @copyright 2008-2012
+ * @copyright 2008-2013
  * @license MIT License (MIT) http://www.opensource.org/licenses/MIT
  *
  * Please consult the Dwoo Documentation & WIKI to get further informations 
diff --git a/htt/index.php b/htt/index.php
index 72b4d95..5e313c8 100644
--- a/htt/index.php
+++ b/htt/index.php
@@ -5,7 +5,7 @@
  *
  * @author Ralf Hertsch <ralf.hertsch@phpmanufaktur.de>
  * @link http://phpmanufaktur.de
- * @copyright 2008-2012
+ * @copyright 2008-2013
  * @license MIT License (MIT) http://www.opensource.org/licenses/MIT
  */
 
diff --git a/icon.png b/icon.png
new file mode 100644
index 0000000..56e95af
Binary files /dev/null and b/icon.png differ
diff --git a/img/index.php b/img/index.php
index 72b4d95..5e313c8 100644
--- a/img/index.php
+++ b/img/index.php
@@ -5,7 +5,7 @@
  *
  * @author Ralf Hertsch <ralf.hertsch@phpmanufaktur.de>
  * @link http://phpmanufaktur.de
- * @copyright 2008-2012
+ * @copyright 2008-2013
  * @license MIT License (MIT) http://www.opensource.org/licenses/MIT
  */
 
diff --git a/index.php b/index.php
index 72b4d95..5e313c8 100644
--- a/index.php
+++ b/index.php
@@ -5,7 +5,7 @@
  *
  * @author Ralf Hertsch <ralf.hertsch@phpmanufaktur.de>
  * @link http://phpmanufaktur.de
- * @copyright 2008-2012
+ * @copyright 2008-2013
  * @license MIT License (MIT) http://www.opensource.org/licenses/MIT
  */
 
diff --git a/info.php b/info.php
index 23b0948..b3b940f 100644
--- a/info.php
+++ b/info.php
@@ -5,7 +5,7 @@
  *
  * @author Ralf Hertsch <ralf.hertsch@phpmanufaktur.de>
  * @link http://phpmanufaktur.de
- * @copyright 2008-2012
+ * @copyright 2008-2013
  * @license MIT License (MIT) http://www.opensource.org/licenses/MIT
  */
 
@@ -34,13 +34,11 @@
 $module_directory     = 'image_tweak';
 $module_name          = 'imageTweak';
 $module_function      = 'tool';
-$module_version       = '0.54';
+$module_version       = '0.55';
 $module_status        = 'Stable';
 $module_platform      = '2.8';
 $module_author        = 'Ralf Hertsch, Berlin (Germany)';
-$module_license       = 'GNU General Public License';
+$module_license       = 'MIT License (MIT)';
 $module_description   = 'Check images on the fly and reduce image size to a tweaked level';
 $module_home          = 'http://phpmanufaktur.de/image_tweak';
 $module_guid          = '3324A352-5244-4FCD-AC45-EB5E216A1F48';
-
-?>
diff --git a/install.php b/install.php
index 29033e9..d22bed8 100644
--- a/install.php
+++ b/install.php
@@ -5,7 +5,7 @@
  *
  * @author Ralf Hertsch <ralf.hertsch@phpmanufaktur.de>
  * @link http://phpmanufaktur.de
- * @copyright 2008-2012
+ * @copyright 2008-2013
  * @license MIT License (MIT) http://www.opensource.org/licenses/MIT
  */
 
diff --git a/languages/DE.php b/languages/DE.php
index eb82b31..e2adfaa 100644
--- a/languages/DE.php
+++ b/languages/DE.php
@@ -5,7 +5,7 @@
  *
  * @author Ralf Hertsch <ralf.hertsch@phpmanufaktur.de>
  * @link http://phpmanufaktur.de
- * @copyright 2008-2012
+ * @copyright 2008-2013
  * @license MIT License (MIT) http://www.opensource.org/licenses/MIT
  */
 
diff --git a/languages/EN.php b/languages/EN.php
index 8080c35..f045976 100644
--- a/languages/EN.php
+++ b/languages/EN.php
@@ -5,7 +5,7 @@
  *
  * @author Ralf Hertsch <ralf.hertsch@phpmanufaktur.de>
  * @link http://phpmanufaktur.de
- * @copyright 2008-2012
+ * @copyright 2008-2013
  * @license MIT License (MIT) http://www.opensource.org/licenses/MIT
  */
 
diff --git a/languages/index.php b/languages/index.php
index 72b4d95..5e313c8 100644
--- a/languages/index.php
+++ b/languages/index.php
@@ -5,7 +5,7 @@
  *
  * @author Ralf Hertsch <ralf.hertsch@phpmanufaktur.de>
  * @link http://phpmanufaktur.de
- * @copyright 2008-2012
+ * @copyright 2008-2013
  * @license MIT License (MIT) http://www.opensource.org/licenses/MIT
  */
 
diff --git a/output_interface.php b/output_interface.php
index eb60777..9eba06e 100644
--- a/output_interface.php
+++ b/output_interface.php
@@ -5,7 +5,7 @@
  *
  * @author Ralf Hertsch <ralf.hertsch@phpmanufaktur.de>
  * @link http://phpmanufaktur.de
- * @copyright 2008-2012
+ * @copyright 2008-2013
  * @license MIT License (MIT) http://www.opensource.org/licenses/MIT
  */
 
diff --git a/precheck.php b/precheck.php
index ef20ca5..1b9d41d 100644
--- a/precheck.php
+++ b/precheck.php
@@ -5,7 +5,7 @@
  *
  * @author Ralf Hertsch <ralf.hertsch@phpmanufaktur.de>
  * @link http://phpmanufaktur.de
- * @copyright 2008-2012
+ * @copyright 2008-2013
  * @license MIT License (MIT) http://www.opensource.org/licenses/MIT
  */
 
diff --git a/presets/index.php b/presets/index.php
index 72b4d95..5e313c8 100644
--- a/presets/index.php
+++ b/presets/index.php
@@ -5,7 +5,7 @@
  *
  * @author Ralf Hertsch <ralf.hertsch@phpmanufaktur.de>
  * @link http://phpmanufaktur.de
- * @copyright 2008-2012
+ * @copyright 2008-2013
  * @license MIT License (MIT) http://www.opensource.org/licenses/MIT
  */
 
diff --git a/tool.php b/tool.php
index d5ff3a5..6c58727 100644
--- a/tool.php
+++ b/tool.php
@@ -5,7 +5,7 @@
  *
  * @author Ralf Hertsch <ralf.hertsch@phpmanufaktur.de>
  * @link http://phpmanufaktur.de
- * @copyright 2008-2012
+ * @copyright 2008-2013
  * @license MIT License (MIT) http://www.opensource.org/licenses/MIT
  */
 
diff --git a/tool_icon.png b/tool_icon.png
new file mode 100644
index 0000000..9c469cb
Binary files /dev/null and b/tool_icon.png differ
diff --git a/uninstall.php b/uninstall.php
index 58afa4e..9c7d027 100644
--- a/uninstall.php
+++ b/uninstall.php
@@ -5,7 +5,7 @@
  *
  * @author Ralf Hertsch <ralf.hertsch@phpmanufaktur.de>
  * @link http://phpmanufaktur.de
- * @copyright 2008-2012
+ * @copyright 2008-2013
  * @license MIT License (MIT) http://www.opensource.org/licenses/MIT
  */
 
diff --git a/upgrade.php b/upgrade.php
index b27a4a4..476ba9e 100644
--- a/upgrade.php
+++ b/upgrade.php
@@ -5,7 +5,7 @@
  *
  * @author Ralf Hertsch <ralf.hertsch@phpmanufaktur.de>
  * @link http://phpmanufaktur.de
- * @copyright 2008-2012
+ * @copyright 2008-2013
  * @license MIT License (MIT) http://www.opensource.org/licenses/MIT
  */