Put the main work in a `main' sub-module.
Put the main work in a `main' sub-module.

This should avoid re-checking the zo file at the end, leading to an
error when it's not there if it moved.

mafagafogigante/racket,mafagafogigante/racket,mafagafogigante/racket,mafagafogigante/racket,mafagafogigante/racket,mafagafogigante/racket,mafagafogigante/racket,mafagafogigante/racket,mafagafogigante/racket