package: bump `engine.io` for utf8 binary fix
Merge branch 'master' of github.com:automattic/socket.io
Add test case for emitting multibyte chars
Merge pull request #1562 from rase-/add/utf8-tests

Add test case for emitting multibyte chars
Fix namespace iterator in disconnect
Merge pull request #1563 from rase-/fix/no-disconnect-fired-for-nsp

Fix namespace iterator in disconnect