add Request.php
Squashed 'src/Rester/Stuff/' content from commit 99ed389

git-subtree-dir: src/Rester/Stuff
git-subtree-split: 99ed3896b2cc353dcf5697a5b8616d3c825d9680
Merge commit '8621ab3e1733dc98f4437cac6506fbf65bed5a74' as 'src/Rester/Stuff'
add Bag.php, Arr.php