http://github.com/nicedwarf/python-ivi.git#egg=python-ivi
http://github.com/python-ivi/python-usbtmc.git#egg=python-usbtmc
http://github.com/python-ivi/python-vxi11.git#egg=python-vxill
http://github.com/hardbyte/python-can.git#egg=python-can
