Fix XRANGE COUNT option for value of 0.
Fix XRANGE COUNT option for value of 0.

soveran/redis,soloestoy/redis,soveran/redis,PKRoma/redis,antirez/redis,spinlock/redis,spinlock/redis,yossigo/redis,PKRoma/redis,charsyam/redis,ofirluzon/redis,charsyam/redis,ofirluzon/redis,nnog/redis,neomantra/redis,nnog/redis,pmem/redis,soloestoy/redis,soloestoy/redis,soveran/redis,antirez/redis,ctripcorp/redis,soloestoy/redis,oranagra/redis,neomantra/redis,spinlock/redis,ofirluzon/redis,ctripcorp/redis,oranagra/redis,antirez/redis,pmem/redis,neomantra/redis,spinlock/redis,ofirluzon/redis,yossigo/redis,antirez/redis,oranagra/redis,PKRoma/redis,neomantra/redis,charsyam/redis,soveran/redis,nnog/redis,ctripcorp/redis,ctripcorp/redis,charsyam/redis,neomantra/redis,yossigo/redis,yossigo/redis,oranagra/redis,PKRoma/redis,PKRoma/redis,pmem/redis,soloestoy/redis,nnog/redis,ofirluzon/redis,yossigo/redis,oranagra/redis,pmem/redis,charsyam/redis