Initial commit
commonlib add util
edit util 111
Add 'lib/' from commit '62c01e270ec90485ef76cd63c8d39a378270ff8c'

git-subtree-dir: lib
git-subtree-mainline: 41318c7cc729020f35ba26342bbf18e930486a7a
git-subtree-split: 62c01e270ec90485ef76cd63c8d39a378270ff8c