testMaker Code

added check for existence of source file on file copy

increased default TAN_MAX_NUM from 50 to 100

fixed converting of fb ids in import/export and test copy

Reactivating items is now possible.
The corresponding parent item-block is then also enabled.

fixed fatal error when entering an invalid code for user email change

fixed typo in base64_decode() check if input is a valid string

base64_decode() check if input is a valid string

Fixed Problem on deactivating itemblocks (Items were still enabled).
Every single item inside the disabled itemblock is now disabled as well.

(+ minor fixes)

Fixed Item conditions:
- You can no longer select deactivated items as condition source.
- Show warning if you want to delete an item that is a condition for another item

shows birthday in profile if set