Removed unneeded iostream include
nothing, no nothing
Squashed 'src/3rd/sweet.hpp/' content from commit 1ee52d2

git-subtree-dir: src/3rd/sweet.hpp
git-subtree-split: 1ee52d25b4e12b23060b10e4624697d86416ff21
Merge commit 'f3b6d236f881056439dce4c04dd1a6e08b2aef86' as 'src/3rd/sweet.hpp'
Squashed 'src/3rd/discount/' content from commit 274f412

git-subtree-dir: src/3rd/discount
git-subtree-split: 274f4129ee7c4f0fb7a3fd33797571b5e175f313
Merge commit '6564f308dc5ac38265819d29fc2e6e2e448f6b7a' as 'src/3rd/discount'
Adding 3rd party libs as git subtrees