Remove useless $
Update doc string
Fix typo
Remove blank
scanWifi' with Writer monad
Parametrizing Wifi type (Wifi w a)
factorizing code to avoid duplication
Extract cmd as variable
Add comments on function
Remove comments
plug in writerT implementation (WriterT in action)
Remove obsolete functions
format code
Merge pull request #2 from ardumont/refactoring-with-massyl

Refactoring with Massyl