Squashed 'bundle/io/' content from commit c976ba7

git-subtree-dir: bundle/io
git-subtree-split: c976ba75d28f62061bfa6403cd1ea8890ff2b76b
Merge commit '381d22605ce0adbd5b4a49ee25d70036ffd5e659' as 'bundle/io'
Merge branch 'master' of https://github.com/vidyamantra/chat
Update readme