new test-fail.log
pieusb_usb: debug indent with tabs
pieusb_scancmd: cmd_slide: leave 4th byte zero
pieusb_usb: add references to usb standard
pieusb_specific: improve debug message
pieusb: no wait_ready after scan()
pieusb_usb: improve decode_sense()
pieusb_usb: read status directly after read/write
pieusb_scancmd: remove wrong call to wait_ready()
pieusb: reorder cmd_17
pieusb_specific: set_mode: 0x10 at pos 0x0e
pieusb: don't obtain shading data while in scan
pieusb_scancmd: explain set_mode
pieusb_specific: clean up pieusb_get_shading_data()
pieusb_specific: turn shading analysis back on