Downloads content files (webm, gif, jpg etc) from 4chan threads. http links to the threads will be read per line from threadlinks.txt
Download will happen multithreaded / with multiprocessing
Tested with Python 3.5.3
*PS: I wrote this some time ago just for personal use and * stopped after it did its job, so this programm may not be complete also I am a novice with python,so feel free to suggest changes