Change your directory using -d DIR [default is ./xkcd]
[example: -d xkcd]
Change comic number to download using -n NUM [default will let you choose in the program]
[example: -n 1234]
Display help using -h
You need Beautifulsoup4 [bs4] for python3
Works on Python3+ [Python 3+ has the request module]
Needs to tell whether the image is a jpg or png, old ones are jpg, new ones are png... Some old images wont work due to this issue at the moment.