Amend git url
Make stream a property of session
Make session_id a composite of Sender and Target
Export Client and Server
Avoid extra delimiter if bodymsg is empty
Move _define_field to Msg.prototype
Use toISOString instead of moment.js
Correct incomingSeqNum to incoming_seq_num
Refactor hearbeat_timer. Send testRequest
Logout: No Text field if reason is undefined
Correct self.last_timestamp to self.last_incoming_time
Logout if incoming SeqNum less than expected. Error rewording to match fix spec
Use util.inherits
Add missing separator var
Remove moment dependency. v0.0.2