allow to override validationMustBeExecuted method and fix typo#371

ezequiel-safirsztein-momentum wants to merge 1 commit intovlucas:mastervlucas/valitron:masterfrom

ezequiel-safirsztein-momentum:allow-to-override-validationMustBeExcecutedezequiel-safirsztein-momentum/valitron:allow-to-override-validationMustBeExcecutedCopy head branch name to clipboard