Index: frontend/node_modules/handle-thing/.travis.yml
===================================================================
--- frontend/node_modules/handle-thing/.travis.yml	(revision 9af201e94b5a79beb92a30858fc54de4bc3b9449)
+++ frontend/node_modules/handle-thing/.travis.yml	(revision 9af201e94b5a79beb92a30858fc54de4bc3b9449)
@@ -0,0 +1,15 @@
+sudo: false
+
+language: node_js
+
+node_js:
+  - "6"
+  - "8"
+  - "10"
+  - "11.1"
+  - "12"
+
+script:
+  - npm run lint
+  - npm test
+  - npm run coverage
Index: frontend/node_modules/handle-thing/README.md
===================================================================
--- frontend/node_modules/handle-thing/README.md	(revision 9af201e94b5a79beb92a30858fc54de4bc3b9449)
+++ frontend/node_modules/handle-thing/README.md	(revision 9af201e94b5a79beb92a30858fc54de4bc3b9449)
@@ -0,0 +1,44 @@
+# Handle Thing
+
+[![Build Status](https://travis-ci.org/spdy-http2/handle-thing.svg?branch=master)](http://travis-ci.org/spdy-http2/handle-thing)
+[![NPM version](https://badge.fury.io/js/handle-thing.svg)](http://badge.fury.io/js/handle-thing)
+[![dependencies Status](https://david-dm.org/spdy-http2/handle-thing/status.svg?style=flat-square)](https://david-dm.org/spdy-http2/handle-thing)
+[![Standard - JavaScript Style Guide](https://img.shields.io/badge/code_style-standard-brightgreen.svg?style=flat-square)](http://standardjs.com/)
+[![Waffle](https://img.shields.io/badge/track-waffle-blue.svg?style=flat-square)](https://waffle.io/spdy-http2/node-spdy)
+
+> Wrap Streams2 instance into a HandleWrap. The right thing when you need it
+
+## Usage
+
+### Examples
+
+`soon™`
+
+### API
+
+`soon™`
+
+## LICENSE
+
+This software is licensed under the MIT License.
+
+Copyright Fedor Indutny, 2015.
+
+Permission is hereby granted, free of charge, to any person obtaining a
+copy of this software and associated documentation files (the
+"Software"), to deal in the Software without restriction, including
+without limitation the rights to use, copy, modify, merge, publish,
+distribute, sublicense, and/or sell copies of the Software, and to permit
+persons to whom the Software is furnished to do so, subject to the
+following conditions:
+
+The above copyright notice and this permission notice shall be included
+in all copies or substantial portions of the Software.
+
+THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
+OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
+MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN
+NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM,
+DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR
+OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE
+USE OR OTHER DEALINGS IN THE SOFTWARE.
Index: frontend/node_modules/handle-thing/lib/handle.js
===================================================================
--- frontend/node_modules/handle-thing/lib/handle.js	(revision 9af201e94b5a79beb92a30858fc54de4bc3b9449)
+++ frontend/node_modules/handle-thing/lib/handle.js	(revision 9af201e94b5a79beb92a30858fc54de4bc3b9449)
@@ -0,0 +1,263 @@
+var assert = require('assert')
+var util = require('util')
+
+var EventEmitter = require('events').EventEmitter
+var Buffer = require('buffer').Buffer
+
+var Queue = require('./queue')
+
+// Node.js version
+var match = /^v(\d+)\.(\d+)\./.exec(process.version)
+var version = match ? Number(match[1]) + Number('0.' + match[2]) : 11
+var onreadMode = version >= 11.1 ? 2 : 1
+var mode = 'modern'
+
+var setNRead
+if (onreadMode === 2) {
+  var sw = process.binding('stream_wrap')
+  setNRead = function (nread) {
+    sw.streamBaseState[sw.kReadBytesOrError] = nread
+  }
+}
+
+function Handle (stream, options) {
+  EventEmitter.call(this)
+
+  this._stream = stream
+  this._flowing = false
+  this._reading = false
+  this._options = options || {}
+
+  this.onread = null
+
+  // Pending requests
+  this.pending = new Queue()
+}
+util.inherits(Handle, EventEmitter)
+module.exports = Handle
+
+Handle.mode = mode
+
+Handle.create = function create (stream, options) {
+  return new Handle(stream, options)
+}
+
+Handle.prototype._onread = function _onread (nread, buffer) {
+  if (onreadMode === 1) {
+    this.onread(nread, buffer)
+  } else {
+    setNRead(nread)
+    this.onread(buffer)
+  }
+}
+
+Handle.prototype._queueReq = function _queueReq (type, req) {
+  return this.pending.append(type, req)
+}
+
+Handle.prototype._pendingList = function _pendingList () {
+  var list = []
+  while (!this.pending.isEmpty()) { list.push(this.pending.first().dequeue()) }
+  return list
+}
+
+Handle.prototype.setStream = function setStream (stream) {
+  assert(this._stream === null, 'Can\'t set stream two times')
+  this._stream = stream
+
+  this.emit('stream', stream)
+}
+
+Handle.prototype.readStart = function readStart () {
+  this._reading = true
+
+  if (!this._stream) {
+    this.once('stream', this.readStart)
+    return 0
+  }
+
+  if (!this._flowing) {
+    this._flowing = true
+    this._flow()
+  }
+
+  this._stream.resume()
+  return 0
+}
+
+Handle.prototype.readStop = function readStop () {
+  this._reading = false
+
+  if (!this._stream) {
+    this.once('stream', this.readStop)
+    return 0
+  }
+  this._stream.pause()
+  return 0
+}
+
+var uv = process.binding('uv')
+
+Handle.prototype._flow = function flow () {
+  var self = this
+  this._stream.on('data', function (chunk) {
+    self._onread(chunk.length, chunk)
+  })
+
+  this._stream.on('end', function () {
+    self._onread(uv.UV_EOF, Buffer.alloc(0))
+  })
+
+  this._stream.on('close', function () {
+    setImmediate(function () {
+      if (self._reading) {
+        self._onread(uv.UV_ECONNRESET, Buffer.alloc(0))
+      }
+    })
+  })
+}
+
+Handle.prototype._close = function _close () {
+  var list = this._pendingList()
+
+  var self = this
+  setImmediate(function () {
+    for (var i = 0; i < list.length; i++) {
+      var req = list[i]
+      req.oncomplete(uv.UV_ECANCELED, self, req)
+    }
+  })
+
+  this.readStop()
+}
+
+Handle.prototype.shutdown = function shutdown (req) {
+  var wrap = this._queueReq('shutdown', req)
+
+  if (!this._stream) {
+    this.once('stream', function () {
+      this._shutdown(wrap)
+    })
+    return 0
+  }
+
+  return this._shutdown(wrap)
+}
+
+Handle.prototype._shutdown = function _shutdown (wrap) {
+  var self = this
+  this._stream.end(function () {
+    var req = wrap.dequeue()
+    if (!req) { return }
+
+    req.oncomplete(0, self, req)
+  })
+  return 0
+}
+
+Handle.prototype.close = function close (callback) {
+  this._close()
+
+  if (!this._stream) {
+    this.once('stream', function () {
+      this.close(callback)
+    })
+    return 0
+  }
+
+  if (this._options.close) {
+    this._options.close(callback)
+  } else {
+    process.nextTick(callback)
+  }
+
+  return 0
+}
+
+Handle.prototype.writeEnc = function writeEnc (req, data, enc) {
+  var wrap = this._queueReq('write', req)
+
+  if (!this._stream) {
+    this.once('stream', function () {
+      this._writeEnc(wrap, req, data, enc)
+    })
+
+    return 0
+  }
+
+  return this._writeEnc(wrap, req, data, enc)
+}
+
+Handle.prototype._writeEnc = function _writeEnc (wrap, req, data, enc) {
+  var self = this
+
+  req.async = true
+  req.bytes = data.length
+
+  if (wrap.isEmpty()) {
+    return 0
+  }
+
+  this._stream.write(data, enc, function () {
+    var req = wrap.dequeue()
+    if (!req) { return }
+    req.oncomplete(0, self, req)
+  })
+
+  return 0
+}
+
+/**
+ * @param {WriteWrap} req
+ * @param {string[]} chunks
+ * @param {Boolean} allBuffers
+ */
+Handle.prototype.writev = function _writev (req, chunks, allBuffers) {
+  while (chunks.length > 0) {
+    this._stream.write(chunks.shift(), chunks.shift())
+  }
+  return 0
+}
+
+Handle.prototype.writeBuffer = function writeBuffer (req, data) {
+  return this.writeEnc(req, data, null)
+}
+
+Handle.prototype.writeAsciiString = function writeAsciiString (req, data) {
+  return this.writeEnc(req, data, 'ascii')
+}
+
+Handle.prototype.writeUtf8String = function writeUtf8String (req, data) {
+  return this.writeEnc(req, data, 'utf8')
+}
+
+Handle.prototype.writeUcs2String = function writeUcs2String (req, data) {
+  return this.writeEnc(req, data, 'ucs2')
+}
+
+Handle.prototype.writeBinaryString = function writeBinaryString (req, data) {
+  return this.writeEnc(req, data, 'binary')
+}
+
+Handle.prototype.writeLatin1String = function writeLatin1String (req, data) {
+  return this.writeEnc(req, data, 'binary')
+}
+
+// v0.8
+Handle.prototype.getsockname = function getsockname () {
+  if (this._options.getPeerName) {
+    return this._options.getPeerName()
+  }
+  return null
+}
+
+Handle.prototype.getpeername = function getpeername (out) {
+  var res = this.getsockname()
+  if (!res) { return -1 }
+
+  Object.keys(res).forEach(function (key) {
+    out[key] = res[key]
+  })
+
+  return 0
+}
Index: frontend/node_modules/handle-thing/lib/queue.js
===================================================================
--- frontend/node_modules/handle-thing/lib/queue.js	(revision 9af201e94b5a79beb92a30858fc54de4bc3b9449)
+++ frontend/node_modules/handle-thing/lib/queue.js	(revision 9af201e94b5a79beb92a30858fc54de4bc3b9449)
@@ -0,0 +1,48 @@
+function Queue () {
+  this.head = new Item('head', null)
+}
+module.exports = Queue
+
+Queue.prototype.append = function append (kind, value) {
+  var item = new Item(kind, value)
+  this.head.prepend(item)
+  return item
+}
+
+Queue.prototype.isEmpty = function isEmpty () {
+  return this.head.prev === this.head
+}
+
+Queue.prototype.first = function first () {
+  return this.head.next
+}
+
+function Item (kind, value) {
+  this.prev = this
+  this.next = this
+  this.kind = kind
+  this.value = value
+}
+
+Item.prototype.prepend = function prepend (other) {
+  other.prev = this.prev
+  other.next = this
+  other.prev.next = other
+  other.next.prev = other
+}
+
+Item.prototype.dequeue = function dequeue () {
+  var prev = this.prev
+  var next = this.next
+
+  prev.next = next
+  next.prev = prev
+  this.prev = this
+  this.next = this
+
+  return this.value
+}
+
+Item.prototype.isEmpty = function isEmpty () {
+  return this.prev === this
+}
Index: frontend/node_modules/handle-thing/package.json
===================================================================
--- frontend/node_modules/handle-thing/package.json	(revision 9af201e94b5a79beb92a30858fc54de4bc3b9449)
+++ frontend/node_modules/handle-thing/package.json	(revision 9af201e94b5a79beb92a30858fc54de4bc3b9449)
@@ -0,0 +1,38 @@
+{
+  "name": "handle-thing",
+  "version": "2.0.1",
+  "description": "Wrap Streams2 instance into a HandleWrap",
+  "main": "lib/handle.js",
+  "scripts": {
+    "lint": "standard",
+    "test": "mocha --reporter=spec test/*-test.js",
+    "coverage": "istanbul cover node_modules/.bin/_mocha -- --reporter=spec test/**/*-test.js"
+  },
+  "pre-commit": [
+    "lint",
+    "test"
+  ],
+  "repository": {
+    "type": "git",
+    "url": "git+ssh://git@github.com/indutny/handle-thing.git"
+  },
+  "keywords": [
+    "handle",
+    "net",
+    "streams2"
+  ],
+  "author": "Fedor Indutny <fedor@indutny.com>",
+  "license": "MIT",
+  "bugs": {
+    "url": "https://github.com/spdy-http2/handle-thing/issues"
+  },
+  "homepage": "https://github.com/spdy-http2/handle-thing#readme",
+  "devDependencies": {
+    "istanbul": "^0.4.5",
+    "mocha": "^5.2.0",
+    "pre-commit": "^1.2.2",
+    "readable-stream": "^3.0.6",
+    "standard": "^12.0.1",
+    "stream-pair": "^1.0.3"
+  }
+}
Index: frontend/node_modules/handle-thing/test/api-test.js
===================================================================
--- frontend/node_modules/handle-thing/test/api-test.js	(revision 9af201e94b5a79beb92a30858fc54de4bc3b9449)
+++ frontend/node_modules/handle-thing/test/api-test.js	(revision 9af201e94b5a79beb92a30858fc54de4bc3b9449)
@@ -0,0 +1,110 @@
+/* eslint-env mocha */
+
+var assert = require('assert')
+var net = require('net')
+var streamPair = require('stream-pair')
+
+var thing = require('../')
+
+describe('Handle Thing', function () {
+  var handle
+  var pair
+  var socket;
+
+  [ 'normal', 'lazy' ].forEach(function (mode) {
+    describe(mode, function () {
+      beforeEach(function () {
+        pair = streamPair.create()
+        handle = thing.create(mode === 'normal' ? pair.other : null)
+        socket = new net.Socket({
+          handle: handle,
+          readable: true,
+          writable: true
+        })
+
+        if (mode === 'lazy') {
+          setTimeout(function () {
+            handle.setStream(pair.other)
+          }, 50)
+        }
+      })
+
+      afterEach(function () {
+        assert(handle._stream)
+      })
+
+      it('should write data to Socket', function (done) {
+        pair.write('hello')
+        pair.write(' world')
+        pair.end('... ok')
+
+        var chunks = ''
+        socket.on('data', function (chunk) {
+          chunks += chunk
+        })
+        socket.on('end', function () {
+          assert.strictEqual(chunks, 'hello world... ok')
+
+          // allowHalfOpen is `false`, so the `end` should be followed by `close`
+          socket.once('close', function () {
+            done()
+          })
+        })
+      })
+
+      it('should read data from Socket', function (done) {
+        socket.write('hello')
+        socket.write(' world')
+        socket.end('... ok')
+
+        var chunks = ''
+        pair.on('data', function (chunk) {
+          chunks += chunk
+        })
+        pair.on('end', function () {
+          assert.strictEqual(chunks, 'hello world... ok')
+
+          done()
+        })
+      })
+
+      it('should invoke `close` callback', function (done) {
+        handle._options.close = function (callback) {
+          done()
+          process.nextTick(callback)
+        }
+
+        pair.end('hello')
+        socket.resume()
+      })
+
+      it('should kill pending requests', function (done) {
+        handle._options.close = function () {
+          setTimeout(done, 75)
+        }
+
+        socket.write('hello')
+        socket.destroy()
+      })
+
+      if (mode === 'normal') {
+        it('should invoke `getPeerName` callback', function () {
+          handle._options.getPeerName = function () {
+            return { address: 'ohai' }
+          }
+
+          assert.strictEqual(socket.remoteAddress, 'ohai')
+        })
+
+        it('should emit ECONNRESET at `close` event', function (done) {
+          pair.other.emit('close')
+
+          socket.on('error', function (err) {
+            assert(/ECONNRESET/.test(err.message))
+            done()
+          })
+        })
+      }
+    })
+  })
+})