prepare for v4.3, re #5

Coursehistory.class.php

 <?php
 
-require_once 'vendor/trails/trails.php';
-require_once 'app/controllers/studip_controller.php';
-
 /**
- * Coursehistory.class.php
- *
  * @author David Siegfried <david.siegfried@uni-vechta.de>
- * @license     http://www.gnu.org/licenses/gpl-2.0.html GPL version 2 or later
- * @category    Stud.IP
- * @since       3.3
- * @version     3.0
+ * @license GPL2 or any later version
  */
 class Coursehistory extends StudIPPlugin implements SystemPlugin, AdminCourseAction
 {
@@ -22,7 +14,7 @@ class Coursehistory extends StudIPPlugin implements SystemPlugin, AdminCourseAct
         if ($GLOBALS['perm']->have_perm('admin') && $this->course) {
             if (Navigation::hasItem('/course/main')) {
                 $navigation = new Navigation($this->getPluginName());
-                $navigation->setURL(PluginEngine::GetURL($this, [], 'show'));
+                $navigation->setURL(PluginEngine::getURL($this, [], 'show'));
                 Navigation::addItem('/course/main/coursehistory', $navigation);
             }
         }

controllers/show.php

 <?php
 
 /**
- * ShowController.php
  * @author David Siegfried <david.siegfried@uni-vechta.de>
- * @license     http://www.gnu.org/licenses/gpl-2.0.html GPL version 2 or later
- * @category    Stud.IP
- * @since       3.3
- * @version     3.0
+ * @license GPL2 or any later version
  */
 class ShowController extends StudipController
 {

plugin.manifest

 pluginname=CourseHistory
 pluginclassname=Coursehistory
 origin=Vec
-version=3.1
+version=3.2
 studipMinVersion=4.3
+studipMaxVersion=4.3.99

views/show/index.php

@@ -4,7 +4,7 @@
             <?= _('Änderungsverlauf') ?>
         </caption>
         <colgroup>
-            <col width="150px">
+            <col style="width: 150px">
             <col>
         </colgroup>
         <? $counter = 0 ?>