XChange-6 Implement ability to check SocketIO status from StreamingMarketDataService
Added support for exchange events and event types.
Provided improved demo code.
Updated MtGox streaming Ticker to use new event types.
Fixed exception on disconnect().
Lots of tidying up.
Bringing in recent changes from develop
XChange-6 Implement ability to check SocketIO status from StreamingMarketDataService
Tidying up in response to seeing an exception during disconnect()
Merge branch 'XChange-6' into develop