Adding validation to cache:flush, resolves #648
Adding validation to cache:flush, resolves #648

pocallaghan/n98-magerun,therouv/n98-magerun,tkn98/n98-magerun,tkn98/n98-magerun,EmPeWe/n98-magerun,pocallaghan/n98-magerun,EmPeWe/n98-magerun,tkn98/n98-magerun,therouv/n98-magerun,pocallaghan/n98-magerun,EmPeWe/n98-magerun