Restriction and Bug
-------------------
-Not statble yet.
+Not supported/confirmed yet.
+ Hub, suspend, keyboard LED
+
+Switching power on VBUS:
+ To power reset device.
+ http://www.circuitsathome.com/camera-control/simulating-cable-disconnect-on-usb-host-shield-2-0
+ This is needed for a device which are not initilized with 'USB Bus Reset'(long SE0)
Can't bus-reset a keyboard which already attached on bus properly.
Slow start up of Leonardo's bootloader causes this?
Keyboard with other endpoints than boot keyboard may go wrong.
On my keyboard with mouse key the converter locks up when using mouse key function.
+
+Can't compile on Windows filesystem.
+ On Linux no problem.
+ Windows doesn't know difference between common/print.h and arduino/Print.h.
+ Change file name common/print.h to console.h ?