Connections need to be closed and not left hanging.
Update lib/webrtc.io.js

Using !== instead of !=
Merge pull request #32 from mudcube/master

fix issue #31 "rtc.on('ready') fires too soon"
Merge pull request #22 from thedracle/master

Fix hanging connections.
Merge branch 'master' of git://github.com/mudcube/webrtc.io-client

Conflicts:
	lib/webrtc.io.js
add rtc.users{}-stores user information such as the user-id and the index of when they joined the room

rtc.users[userId] = { index: userIndex, id: userId }