docs: function createEventSource(webhook, options)
  {
    var self = this
  
    var eventSource = new EventSource(webhook, options)
  
    eventSource.addEventListener('open', this.emit.bind(this, 'open', webhook))
    eventSource.addEventListener('message', function(message)
    {
      self.push(message.data)
    })
  
    return eventSource
  }