Add missing error for invalid numbers in html5 validation
Add missing error for invalid numbers in html5 validation

bartdc/forkcms,sumocoders/forkcms,tommyvdv/forkcms,mathiashelin/forkcms,jonasdekeukelaere/forkcms,carakas/forkcms,jessedobbelaere/forkcms,jacob-v-dam/forkcms,jeroendesloovere/forkcms,sumocoders/forkcms,carakas/forkcms,forkcms/forkcms,jessedobbelaere/forkcms,mathiashelin/forkcms,jacob-v-dam/forkcms,mathiashelin/forkcms,justcarakas/forkcms,riadvice/forkcms,carakas/forkcms,jonasdekeukelaere/forkcms,bartdc/forkcms,justcarakas/forkcms,jeroendesloovere/forkcms,jonasdekeukelaere/forkcms,riadvice/forkcms,Katrienvh/forkcms,Katrienvh/forkcms,sumocoders/forkcms,jonasdekeukelaere/forkcms,jessedobbelaere/forkcms,jessedobbelaere/forkcms,justcarakas/forkcms,mathiashelin/forkcms,Katrienvh/forkcms,sumocoders/forkcms,sumocoders/forkcms,jacob-v-dam/forkcms,forkcms/forkcms,jonasdekeukelaere/forkcms,jeroendesloovere/forkcms,forkcms/forkcms,riadvice/forkcms,forkcms/forkcms,jeroendesloovere/forkcms,tommyvdv/forkcms,carakas/forkcms,jacob-v-dam/forkcms,bartdc/forkcms,tommyvdv/forkcms,riadvice/forkcms,Katrienvh/forkcms,tommyvdv/forkcms,carakas/forkcms