Start again to code based on skynet 1
Start again to code based on skynet 1

This time I'm having in mind that there is a limit to template
recursion, and also that the access to the recursive template as I was
dong have an expensive cost :-(
So I'm using a bitset now, and the idea is to do a precalculation in
compile time of the multiples.

darkturo/primo,darkturo/primo,darkturo/primo