Core htmx AJAX headers

• should handle HX-Reselect21ms ‣

  this.server.respondWith('GET', '/test', [200, { 'HX-Reselect': '#d2' }, "<div id='d1'>foo</div><div id='d2'>bar</div>"])
  var div = make('<div hx-get="/test" hx-select="#d1"></div>')
  div.click()
  this.server.respond()
  div.innerHTML.should.equal('<div id="d2">bar</div>')