Ignore an EPIPE thrown after a transmission error.

This is a harmless error and nothing seems to suppress it, so we'll ignore it in the right circumstances.

lib/connection.js

@@ -290,6 +290,12 @@ Connection.prototype.initialisingConnection = function() {
  */
 Connection.prototype.errorOccurred = function(socket, err) {
 	debug("Socket error occurred", socket.socketId, err);
+	
+	if(socket.transmissionErrorOccurred && err.code == 'EPIPE') {
+		debug("EPIPE occurred after a transmission error which we can ignore");
+		return;
+	}
+
 	this.emit('socketError', err);
 	if(this.socket == socket && this.deferredConnection && this.deferredConnection.promise.isPending()) {
 		this.deferredConnection.reject(err);
@@ -452,6 +458,8 @@ Connection.prototype.handleTransmissionError = function (socket, data) {
 				this.bufferNotification(notification);
 			}
 		}
+
+		socket.transmissionErrorOccurred = true;
 	}
 };