use readline to wscat
read version from package.json
modify state name at test for WebSocket.js
use _readyState instead of _state
use readyState for getting _readyState
Merge pull request #9 from tricknotes/read-version

read version from package.json
Merge pull request #8 from tricknotes/readline

use readline to wscat
added travis-ci config
Merge branch 'master' of github.com:einaros/ws
fixed test suite race condition
updated history
added build status image
modified test message about WebSocketServer
removed unused assert
Merge pull request #11 from tricknotes/cleanup-test

Cleanup test
Added pong event
Update README.md
Update README.md
Merge remote-tracking branch 'paddy/development'
added tests for ping and pong events