display raw errors during install

install.php

@@ -258,6 +258,12 @@ include(PHPWG_ROOT_PATH . 'admin/include/functions_upgrade.php');
 if (isset($_POST['install']))
 {
   install_db_connect($infos, $errors);
+
+  if (count($errors) > 0)
+  {
+    print_r($errors);
+  }
+
   pwg_db_check_charset();
 
   $webmaster = trim(preg_replace('/\s{2,}/', ' ', $admin_name));