Fix issue in CDC device class driver where received data the size of the data endpoint could lock up the driver.

Further work on the new CDC and HID host mode class drivers.

Reset changelog et. al. to reset development information for the new version currently under development.

LUFA/Drivers/USB/Class/Device/CDC.c

@@ -161,6 +161,9 @@ uint16_t CDC_Device_BytesReceived(USB_ClassInfo_CDC_Device_t* const CDCInterface
 {
 	Endpoint_SelectEndpoint(CDCInterfaceInfo->Config.DataOUTEndpointNumber);
 
+	if (Endpoint_IsOUTReceived() && !(Endpoint_BytesInEndpoint()))
+	  Endpoint_ClearOUT();
+
 	return Endpoint_BytesInEndpoint();
 }