added validators copy to rowDescriptor copyWithZone. Fixes #729
added validators copy to rowDescriptor copyWithZone.
Fixes #729

xmartlabs/XLForm,MiMo42/XLForm,jpmhouston/XLForm,sportlabsMike/XLForm,ziogaschr/XLForm,markrickert/XLForm,Tobiaswk/XLForm,cdstamper/XLForm,ziogaschr/XLForm,xmartlabs/XLForm,KitmanLabs/XLForm,ziogaschr/XLForm