Downloads textual content from http://mongoliad.com/ and converts it to an HTML
format that can easily be imported into Calibre.

To download the free content, run:

    $ ./fetch.py

Or use:

    $ ./fetch.py -u <your username>

To fetch paid content.

The HTML files (which are, by default, created in "./Mongoliad/") can then be
imported into Calibre and converted to ePub or any other format.