Add CancellationToken to long poll GET request for better termination recovery -- fixes issue #18.
Have GetFromJanus always return a response -- error response for errors.
Bump version number.
Refactor to commonize JSON headers added to Janus messages.
Move session/handle message field handling to top class level (JanusMessage)
Keep plugin handle Id inside JanusSession
Change JanusSession.Destroy error logic so it doesn't error if session was already destroyed.
Bump version number.
Add lots of comments to JanusMessages.cs to increase understandings.
Simplify some of the field fetching in JanusMessages.cs
Better handling of hangup and logout so sessions are destroyed when viewers disconnect
Bump version number