Fix: Connection did not succeed. Error message: Connection request encountered an exception (#168)

* Fixing how connection service decodes connection complete events.

* Removing info log used during debugging.

Author: MrMeemus

mssqlcli/jsonrpc/contracts/connectionservice.py

@@ -70,7 +70,7 @@ def decode_response(self, obj):
         if u'result' in obj:
             return ConnectionResponse(obj)
 
-        elif u'params' in obj:
+        elif 'method' in obj and obj['method'] == 'connection/complete':
             return ConnectionCompleteEvent(obj)
 
         # Could not decode return st