Warning :
    Mat only remove metadata from your files, it does not anonymise their
    content, nor it can handle watermarking, steganography, or any too custom
    metadata field/system.

    If you really want to be anonym, use format that does not contain any
    metadata, or better : use plain-text.

Dependencies:
    python2.7 : for tar, tar.bz2, tar.gz support
    shred : for secure removal

Optionals dependencies:
    python-poppler, python-poppler : for pdf support
    python-mutagen : for massive audio format support

Usage:
        python cli.py --help
    or
        python gui.py

Supported format:
    see lib/mat.py

Known Bugs:
    Zipfiles are not totally cleaned