Squashed 'ahutils/' content from commit 18669bf

git-subtree-dir: ahutils
git-subtree-split: 18669bf2aeac37d5e08b903f592b0cb21bc7a1ad
Merge commit '704eec4af69920041a479c55b0bb4af70c3e93b3' as 'ahutils'
some details on how it works