SseChannel.prototype.send = function(msg, clients) {
    var message = parseMessage(msg, this.jsonEncode);

    if (!clients) {
        // Remove duplicate entries from the history
        if (msg.id) {
            this.history = reject(this.history, { id: msg.id });
        }

        // Add the message to history (if not a "private" message)
        var entry = { id: msg.id, msg: message };
        if (msg.id && this.history.unshift(entry) > this.historySize) {
            this.history.pop();
        }
    }

    broadcast(clients || this.connections, message);

    this.emit('message', this, msg, clients || this.connections);
};