Add gist5286084 package.
Add gist5286084 package.

git-subtree-dir: gists/gist5286084
git-subtree-mainline: ff29b2213b561bba563c7675d906c515fa75fb02
git-subtree-split: bc8bd98f4d2109da8b13804c7b406b5b5d00d8f3

shurcooL/go