WIP
some refactoring and added heartbeat
Merge with FEAT/hearbeat
Tests for sending string messages and raising exception if there's no connection
Tests for disconnect
Tests for disconnect and isConnected functions
Add karma-html reporter
WIP: working in client

- initial implementation of `ObjectRef`
- basic tests for protocol
Merge branch 'test-websocket' of github.com:NouranMahmoud/really-js into NouranMahmoud-test-websocket
added Nouran tests
removed initialitzation error test
Merge pull request #4 from ikhattab/NouranMahmoud-test-websocket

Nouran mahmoud test websocket