Improve documentation and add issues section.
Add -m option to move files to a specific folder.

The -m option can be used to put all files into the specified folder.
Remove ambiguous names like f and d.
Update changes.
Add argparse to install_requires.

Argparse is not standard on 3.1 or 2.6 and lower.
Automate creation of README.

When setup.py is run, the README is automatically created using the docstring in
__init__.py.