Core htmx AJAX headers

• should handle dot path HX-Trigger response header properly10ms ‣

  this.server.respondWith('GET', '/test', [200, { 'HX-Trigger': 'foo.bar' }, ''])
  var div = make('<div hx-get="/test"></div>')
  var invokedEvent = false
  div.addEventListener('foo.bar', function(evt) {
    invokedEvent = true
  })
  div.click()
  this.server.respond()
  invokedEvent.should.equal(true)