added todo for validations
added todo for validations

wz1000/haskell-webapps,vacationlabs/haskell-webapps,wz1000/haskell-webapps,wz1000/haskell-webapps,meditans/haskell-webapps,meditans/haskell-webapps,vacationlabs/haskell-webapps,meditans/haskell-webapps,vacationlabs/haskell-webapps