some missing cache/whisper settings checks found in 0.9.x
some missing cache/whisper settings checks found in 0.9.x

deniszh/carbon,krux/carbon,johnseekins/carbon,iain-buclaw-sociomantic/carbon,iain-buclaw-sociomantic/carbon,criteo-forks/carbon,obfuscurity/carbon,deniszh/carbon,krux/carbon,piotr1212/carbon,graphite-project/carbon,piotr1212/carbon,obfuscurity/carbon,johnseekins/carbon,criteo-forks/carbon,graphite-project/carbon