LuxCal 4.7.2 - To-do check box and delete attachment function problem

Since improving the PHP session cookie mechanism in calendar version 4.7.2 the following functions are not working anymore:
- in the various calendar views the function to toggle the check mark of to-do events and
- in the Add/Edit Event window the function to remove event attachments.

To solve these problems download the .zip file here and follow the included instructions.

Roel