ZioCtrl: add __eq__ and __ne__ to compare control classes

Signed-off-by: Federico Vaga <federico.vaga@gmail.com>
INSTALL: add new line at the end of file

Signed-off-by: Federico Vaga <federico.vaga@gmail.com>
ZioCharDevice: fix read/write functions

Signed-off-by: Federico Vaga <federico.vaga@gmail.com>
ZioCtrl: remove debug print

Signed-off-by: Federico Vaga <federico.vaga@gmail.com>