Squashed 'ckutils/' content from commit 5cef43a

git-subtree-dir: ckutils
git-subtree-split: 5cef43a5f5d9af886621431ee85c92be10278d7d
Merge commit '63d8620efba6dbd0bc43c76c5fec73607f4bf568' as 'ckutils'
Initial Commit