This is another new bot i saw today.
It was showingup in visitor stats.
I think you need to add it in the robots.
===========
Host: 217.160.251.17
Country: GERMANY
User Agent: TutorGigBot/1.5 ( +http://www.tutorgig.info )
============
Thanks.
Vamsi Gangavalli
http://www.Gangavalli.com