Don't use byteLength when being passed an ArrayBufferView
fix browser field in package.json

When specifying an alternate main entry point, it is sufficient 
to just use a string for the browser field.
Merge pull request #161 from shtylman/patch-1

fix browser field in package.json
Merge pull request #158 from inolen/master

Don't use byteLength when sending ArrayBufferView
Merge branch 'master' of https://github.com/einaros/ws