Obtains a list of all Marvel comics printed between a given start and stop year according to http://marvel.wikia.com, and prints them to a given output file, with any errors being printed to a given log file.
Obtains ip address from http://myexternalip.com, and if it has changed since last run, sends an email containing the ip address to a gmail account.
In order to use, first create the file auth/gmail.py. It should contain two functions, get_username and get_password, each of which return your gmail username and password as Python strings.