TODO
    - fix remaining kernel panic
    - fix endianess command initialization in Msg.c
    - implement URB queueing for packet transmission (performance)
    - implement asynchronous packet reassembly
    - desynchronize the boot process (remove mdelays)
    - add carrier sens information to Ethernet device
    (use of netif_carrier_off and netif_carrier_on on modem state change)
    - verify USB error handling for ISO mode (USR driver seems to
    use a Linux bug work around, but I doubt this bug really
    exists - see Pipes.c, StartReadPipe and ReadIsoCompletion)
    - find remaining race conditions
    - fix adi_probe error handling (many memory leaks)
    - fix all error conditions (memory leaks + errno)
    - printk all errors unconditionnaly to diagnose problems
    - code deuglification / canonical indentation
    - use standard C integer types in module
    - multimodem support