Improved error handling in the IB client, "no data" response now handled correctly.
Improved error handling in the IB client, "no data" response now handled correctly.

qusma/qdms,underwater/qdms,leo90skk/qdms,Jumaga2015/qdms,qusma/qdms,underwater/qdms,leo90skk/qdms,KBurov/qdms