Added function "is_superadmin" in auth library and improved other functions.

Till Brehm

2014-08-13 19b5e01da02aa2115ee802cf2e43a7f3e58f4eac

 interface/lib/classes/ini_parser.inc.php

@@ -59,8 +59,8 @@
         $content .= "[$section]\n";
         foreach($data as $item => $value) {
            if($item != ''){
               $value    = trim($value);
               $item    = trim($item);
               $value  = trim($value);
               $item  = trim($item);
               $content .= "$item=$value\n";
            }
         }