w0lek

@AlexandreSinger thank you for the catch! I made draw_crit_path_elements call more generic, now it doesn't depend on the Server module availability. So warnings with unused variables should be gone now....

> Thanks for applying the previous comments. > > I added a few comments to suggest minor improvements. thank you, i am going to fix them, on Friday(tomorrow) or on...

@vaughnbetz @soheilshahrouz @AlexandreSinger Thank you for a review and feedback, i have corrected all moments. Please let me know if i need to correct something else.