propagate connection stream errors

Author: pshc

lib/connection.js

@@ -46,6 +46,10 @@ p.connect = function(port, host) {
       self.emit(msg.name, msg);
     }
   });
+
+  this.stream.on('error', function(error) {
+    self.emit('error', error);
+  });
 };
 
 p.startup = function(config) {