Installare crcmod per il calcolo del CRC

Updated at: 31/10/2013

wget https://pypi.python.org/packages/source/c/crcmod/crcmod-1.7.tar.gz#md5=2d5b92117d958dcead94f9e17f54cd32
tar -zxvf crcmod-1.7.tar.gz
python setup.py install