[ request ] Tree structure system

It would be cool to be able to build tree structure easily with tbs as it now is not possible in a normal fashion. I would guess the feature if you choose to implement it would get its own function like the navigationbar has

Retrieving and displaying hierachical data is a big piece in the database world. It is complicated, and they are several methods to support this fetaure. I'm studying a solution to make TBS supporting it, but it won't be easy.

I had guessed it is a tough one! But if you need any testing I can help...