Revert "Optimize u64toa_countlut"
Optimize u64toa_countlut, least change
Merge pull request #4 from PublicScan/revert-2-countlut-optimal

Optimize u64toa_countlut, least change
Merge pull request #3 from miloyip/revert-2-countlut-optimal

Revise "Optimize u64toa_countlut"