Class will now validate if a key is set
Class will now validate if a key is set

git-svn-id: 0ccecee31fc8c854a64f1f5a24824e2d34be7a6b@803 869247f0-a1f3-4d5c-9449-4b73fc252fa6

vytsci/forkcms,mathiashelin/forkcms,Katrienvh/forkcms,WouterSioen/forkcms,forkcms/forkcms,jonasdekeukelaere/forkcms,ikoene/forkcms,tommyvdv/forkcms,jacob-v-dam/forkcms,sumocoders/forkcms,DegradationOfMankind/forkcms,jonasdekeukelaere/forkcms,tommyvdv/forkcms,Katrienvh/forkcms,jonasgoderis/jonaz,jonasgoderis/jonaz,jonasgoderis/jonaz,matthiasmullie/forkcms,gertjanmeire/davy_portfolio,bartdc/forkcms,justcarakas/forkcms,jonasgoderis/jonaz,carakas/forkcms,bartdc/forkcms,Saxithon/gh-pages,jonasgoderis/jonaz,ikoene/forkcms,gertjanmeire/davy_portfolio,jeroendesloovere/forkcms,carakas/forkcms,nosnickid/forkcms,jeroendesloovere/forkcms,Thijzer/forkcms,wengyulin/forkcms,matthiasmullie/forkcms,Katrienvh/forkcms,vytenizs/forkcms,DegradationOfMankind/forkcms,carakas/forkcms,tommyvdv/forkcms,vytenizs/forkcms,riadvice/forkcms,lowiebenoot/forkcms,jessedobbelaere/forkcms,DegradationOfMankind/forkcms,ocpyosep78/forkcms,vytenizs/forkcms,dmoerman/forkcms,nosnickid/forkcms,jonasdekeukelaere/forkcms,Katrienvh/forkcms,tommyvdv/forkcms,ocpyosep78/forkcms,jessedobbelaere/forkcms,mathiashelin/forkcms,sumocoders/forkcms,vytsci/forkcms,sumocoders/forkcms,jessedobbelaere/forkcms,justcarakas/forkcms,riadvice/forkcms,lowiebenoot/forkcms,bartdc/forkcms,dmoerman/forkcms,DegradationOfMankind/forkcms,jacob-v-dam/forkcms,wengyulin/forkcms,jessedobbelaere/forkcms,carakas/forkcms,WouterSioen/daytwo,jeroendesloovere/forkcms,matthiasmullie/forkcms,mathiashelin/forkcms,carakas/forkcms,jonasdekeukelaere/forkcms,jonasdekeukelaere/forkcms,wengyulin/forkcms,forkcms/forkcms,Saxithon/gh-pages,jeroendesloovere/forkcms,forkcms/forkcms,dmoerman/forkcms,jacob-v-dam/forkcms,WouterSioen/forkcms,Thijzer/forkcms,ikoene/forkcms,jacob-v-dam/forkcms,Thijzer/forkcms,mathiashelin/forkcms,sumocoders/forkcms,riadvice/forkcms,vytsci/forkcms,sumocoders/forkcms,justcarakas/forkcms,forkcms/forkcms,nosnickid/forkcms,riadvice/forkcms