call(): don't inherit CLIENT_PREVENT_PROP + minor refactoring.
call(): don't inherit CLIENT_PREVENT_PROP + minor refactoring.

4396/redis,xuguruogu/redis,xuguruogu/redis,janekmi/redis,4396/redis,janekmi/redis,pedigree/redis,4396/redis,janekmi/redis,xuguruogu/redis,janekmi/redis,pedigree/redis,xuguruogu/redis,4396/redis,pedigree/redis,pedigree/redis