Revert "Merge branch 'master' of https://github.com/sailzeng/zcelib"
Revert "Merge branch 'master' of https://github.com/sailzeng/zcelib"

This reverts commit 62d2a62ffc783e3aa539a94e7217360cb7ba4a81, reversing
changes made to f2bcfe90c622817041b787327102316f1b9cacaa.

sailzeng/zcelib,sailzeng/zcelib,mildrock/zcelib,mildrock/zcelib