diff --git a/node/package-lock.json b/node/package-lock.json
index 7055532..cbba591 100644
--- a/node/package-lock.json
+++ b/node/package-lock.json
@@ -4,6 +4,35 @@
   "lockfileVersion": 1,
   "requires": true,
   "dependencies": {
+    "@socket.io/component-emitter": {
+      "version": "3.1.0",
+      "resolved": "https://registry.npmjs.org/@socket.io/component-emitter/-/component-emitter-3.1.0.tgz",
+      "integrity": "sha512-+9jVqKhRSpsc591z5vX+X5Yyw+he/HCB4iQ/RYxw35CEPaY1gnsNE43nf9n9AaYjAQrTiI/mOwKUKdUs9vf7Xg=="
+    },
+    "@types/cookie": {
+      "version": "0.4.1",
+      "resolved": "https://registry.npmjs.org/@types/cookie/-/cookie-0.4.1.tgz",
+      "integrity": "sha512-XW/Aa8APYr6jSVVA1y/DEIZX0/GMKLEVekNG727R8cs56ahETkRAy/3DR7+fJyh7oUgGwNQaRfXCun0+KbWY7Q=="
+    },
+    "@types/cors": {
+      "version": "2.8.12",
+      "resolved": "https://registry.npmjs.org/@types/cors/-/cors-2.8.12.tgz",
+      "integrity": "sha512-vt+kDhq/M2ayberEtJcIN/hxXy1Pk+59g2FV/ZQceeaTyCtCucjL2Q7FXlFjtWn4n15KCr1NE2lNNFhp0lEThw=="
+    },
+    "@types/node": {
+      "version": "18.11.7",
+      "resolved": "https://registry.npmjs.org/@types/node/-/node-18.11.7.tgz",
+      "integrity": "sha512-LhFTglglr63mNXUSRYD8A+ZAIu5sFqNJ4Y2fPuY7UlrySJH87rRRlhtVmMHplmfk5WkoJGmDjE9oiTfyX94CpQ=="
+    },
+    "accepts": {
+      "version": "1.3.8",
+      "resolved": "https://registry.npmjs.org/accepts/-/accepts-1.3.8.tgz",
+      "integrity": "sha512-PYAthTa2m2VKxuvSD3DPC/Gy+U+sOA1LAuT8mkmRuvw+NACSaeXEQ+NHcVF7rONl6qcaxV3Uuemwawk+7+SJLw==",
+      "requires": {
+        "mime-types": "~2.1.34",
+        "negotiator": "0.6.3"
+      }
+    },
     "asn1": {
       "version": "0.1.11",
       "resolved": "https://registry.npmjs.org/asn1/-/asn1-0.1.11.tgz",
@@ -29,6 +58,11 @@
       "resolved": "https://registry.npmjs.org/aws-sign/-/aws-sign-0.3.0.tgz",
       "integrity": "sha1-PYHKabR0seFlGHKLUcJP8Lvtxuk="
     },
+    "base64id": {
+      "version": "2.0.0",
+      "resolved": "https://registry.npmjs.org/base64id/-/base64id-2.0.0.tgz",
+      "integrity": "sha512-lGe34o6EHj9y3Kts9R4ZYs/Gr+6N7MCaMlIFA3F1R2O5/m7K06AxfSeO5530PEERE6/WyEg3lsuyw4GHlPZHog=="
+    },
     "boom": {
       "version": "0.4.2",
       "resolved": "https://registry.npmjs.org/boom/-/boom-0.4.2.tgz",
@@ -45,6 +79,11 @@
         "delayed-stream": "0.0.5"
       }
     },
+    "cookie": {
+      "version": "0.4.2",
+      "resolved": "https://registry.npmjs.org/cookie/-/cookie-0.4.2.tgz",
+      "integrity": "sha512-aSWTXFzaKWkvHO1Ny/s+ePFpvKsPnjc551iI41v3ny/ow6tBG5Vd+FuqGNhh1LxOmVzOlGUriIlOaokOvhaStA=="
+    },
     "cookie-jar": {
       "version": "0.3.0",
       "resolved": "https://registry.npmjs.org/cookie-jar/-/cookie-jar-0.3.0.tgz",
@@ -55,6 +94,15 @@
       "resolved": "https://registry.npmjs.org/core-util-is/-/core-util-is-1.0.2.tgz",
       "integrity": "sha1-tf1UIgqivFq1eqtxQMlAdUUDwac="
     },
+    "cors": {
+      "version": "2.8.5",
+      "resolved": "https://registry.npmjs.org/cors/-/cors-2.8.5.tgz",
+      "integrity": "sha512-KIHbLJqu73RGr/hnbrO9uBeixNGuvSQjul/jdFvS/KFSIH1hWVd1ng7zOHx+YrEfInLG7q4n6GHQ9cDtxv/P6g==",
+      "requires": {
+        "object-assign": "^4",
+        "vary": "^1"
+      }
+    },
     "cryptiles": {
       "version": "0.2.2",
       "resolved": "https://registry.npmjs.org/cryptiles/-/cryptiles-0.2.2.tgz",
@@ -78,6 +126,43 @@
       "resolved": "https://registry.npmjs.org/delayed-stream/-/delayed-stream-0.0.5.tgz",
       "integrity": "sha1-1LH0OpPoKW3+AmlPRoC8N6MTxz8="
     },
+    "denque": {
+      "version": "1.5.1",
+      "resolved": "https://registry.npmjs.org/denque/-/denque-1.5.1.tgz",
+      "integrity": "sha512-XwE+iZ4D6ZUB7mfYRMb5wByE8L74HCn30FBN7sWnXksWc1LO1bPDl67pBR9o/kC4z/xSNAwkMYcGgqDV3BE3Hw=="
+    },
+    "engine.io": {
+      "version": "6.2.0",
+      "resolved": "https://registry.npmjs.org/engine.io/-/engine.io-6.2.0.tgz",
+      "integrity": "sha512-4KzwW3F3bk+KlzSOY57fj/Jx6LyRQ1nbcyIadehl+AnXjKT7gDO0ORdRi/84ixvMKTym6ZKuxvbzN62HDDU1Lg==",
+      "requires": {
+        "@types/cookie": "^0.4.1",
+        "@types/cors": "^2.8.12",
+        "@types/node": ">=10.0.0",
+        "accepts": "~1.3.4",
+        "base64id": "2.0.0",
+        "cookie": "~0.4.1",
+        "cors": "~2.8.5",
+        "debug": "~4.3.1",
+        "engine.io-parser": "~5.0.3",
+        "ws": "~8.2.3"
+      },
+      "dependencies": {
+        "debug": {
+          "version": "4.3.4",
+          "resolved": "https://registry.npmjs.org/debug/-/debug-4.3.4.tgz",
+          "integrity": "sha512-PRWFHuSU3eDtQJPvnNY7Jcket1j0t5OuOsFzPPzsekD52Zl8qUfFIPEiswXqIvHWGVHOgX+7G/vCNNhehwxfkQ==",
+          "requires": {
+            "ms": "2.1.2"
+          }
+        }
+      }
+    },
+    "engine.io-parser": {
+      "version": "5.0.4",
+      "resolved": "https://registry.npmjs.org/engine.io-parser/-/engine.io-parser-5.0.4.tgz",
+      "integrity": "sha512-+nVFp+5z1E3HcToEnO7ZIj3g+3k9389DvWtvJZz0T6/eOCPIyyxehFcedoYrZQrp0LgQbD9pPXhpMBKMd5QURg=="
+    },
     "forever-agent": {
       "version": "0.5.2",
       "resolved": "https://registry.npmjs.org/forever-agent/-/forever-agent-0.5.2.tgz",
@@ -156,11 +241,29 @@
       "resolved": "https://registry.npmjs.org/mime/-/mime-1.2.11.tgz",
       "integrity": "sha1-WCA+7Ybjpe8XrtK32evUfwpg3RA="
     },
+    "mime-db": {
+      "version": "1.52.0",
+      "resolved": "https://registry.npmjs.org/mime-db/-/mime-db-1.52.0.tgz",
+      "integrity": "sha512-sPU4uV7dYlvtWJxwwxHD0PuihVNiE7TyAbQ5SWxDCB9mUYvOgroQOwYQQOKPJ8CIbE+1ETVlOoK1UC2nU3gYvg=="
+    },
+    "mime-types": {
+      "version": "2.1.35",
+      "resolved": "https://registry.npmjs.org/mime-types/-/mime-types-2.1.35.tgz",
+      "integrity": "sha512-ZDY+bPm5zTTF+YpCrAU9nK0UgICYPT0QtT1NZWFv4s++TNkcgVaT0g6+4R2uI4MjQjzysHB1zxuWL50hzaeXiw==",
+      "requires": {
+        "mime-db": "1.52.0"
+      }
+    },
     "moment": {
       "version": "2.11.2",
       "resolved": "https://registry.npmjs.org/moment/-/moment-2.11.2.tgz",
       "integrity": "sha1-h5aOX5WsA4wuQqyVnHWBnNP1KQE="
     },
+    "ms": {
+      "version": "2.1.2",
+      "resolved": "https://registry.npmjs.org/ms/-/ms-2.1.2.tgz",
+      "integrity": "sha512-sGkPx+VjMtmA6MX27oA4FBFELFCZZ4S4XqeGOXCv68tT+jb3vk/RyaKWP0PTKyWtmLSM0b+adUTEvbs1PEaH2w=="
+    },
     "murmurhash": {
       "version": "0.0.2",
       "resolved": "https://registry.npmjs.org/murmurhash/-/murmurhash-0.0.2.tgz",
@@ -193,6 +296,11 @@
         }
       }
     },
+    "negotiator": {
+      "version": "0.6.3",
+      "resolved": "https://registry.npmjs.org/negotiator/-/negotiator-0.6.3.tgz",
+      "integrity": "sha512-+EUsqGPLsM+j/zdChZjsnX51g4XrHFOIXwfnCVPGlQk/k5giakcKsuxCObBRu6DSm9opw/O6slWbJdghQM4bBg=="
+    },
     "node-gcm-service": {
       "version": "0.2.8",
       "resolved": "git://github.com/aronduby/node-gcm-service#e594f5121a81351560bb03ec59fa828339af544a",
@@ -208,11 +316,21 @@
       "resolved": "https://registry.npmjs.org/node-uuid/-/node-uuid-1.4.8.tgz",
       "integrity": "sha1-sEDrCSOWivq/jTL7HxfxFn/auQc="
     },
+    "notepack.io": {
+      "version": "2.2.0",
+      "resolved": "https://registry.npmjs.org/notepack.io/-/notepack.io-2.2.0.tgz",
+      "integrity": "sha512-9b5w3t5VSH6ZPosoYnyDONnUTF8o0UkBw7JLA6eBlYJWyGT1Q3vQa8Hmuj1/X6RYvHjjygBDgw6fJhe0JEojfw=="
+    },
     "oauth-sign": {
       "version": "0.3.0",
       "resolved": "https://registry.npmjs.org/oauth-sign/-/oauth-sign-0.3.0.tgz",
       "integrity": "sha1-y1QPk7srIqfVlBaRoojWDo6pOG4="
     },
+    "object-assign": {
+      "version": "4.1.1",
+      "resolved": "https://registry.npmjs.org/object-assign/-/object-assign-4.1.1.tgz",
+      "integrity": "sha512-rJgTQnkUnH1sFw8yT6VSU3zD3sWmu6sZhIseY8VX+GRu3P6F7Fu+JNDoXfklElbLJSnc3FUQHVe4cU5hj+BcUg=="
+    },
     "q": {
       "version": "1.4.1",
       "resolved": "https://registry.npmjs.org/q/-/q-1.4.1.tgz",
@@ -228,6 +346,24 @@
       "resolved": "https://registry.npmjs.org/redis/-/redis-0.8.6.tgz",
       "integrity": "sha1-p66PDW+tJL3q/+KBWNbNHxydMLg="
     },
+    "redis-commands": {
+      "version": "1.7.0",
+      "resolved": "https://registry.npmjs.org/redis-commands/-/redis-commands-1.7.0.tgz",
+      "integrity": "sha512-nJWqw3bTFy21hX/CPKHth6sfhZbdiHP6bTawSgQBlKOVRG7EZkfHbbHwQJnrE4vsQf0CMNE+3gJ4Fmm16vdVlQ=="
+    },
+    "redis-errors": {
+      "version": "1.2.0",
+      "resolved": "https://registry.npmjs.org/redis-errors/-/redis-errors-1.2.0.tgz",
+      "integrity": "sha512-1qny3OExCf0UvUV/5wpYKf2YwPcOqXzkwKKSmKHiE6ZMQs5heeE/c8eXK+PNllPvmjgAbfnsbpkGZWy8cBpn9w=="
+    },
+    "redis-parser": {
+      "version": "3.0.0",
+      "resolved": "https://registry.npmjs.org/redis-parser/-/redis-parser-3.0.0.tgz",
+      "integrity": "sha512-DJnGAeenTdpMEH6uAJRK/uiyEIH9WVsUmoLwzudwGJUwZPp80PDBWPHXSAGNPwNvIXAbe7MSUB1zQFugFml66A==",
+      "requires": {
+        "redis-errors": "^1.0.0"
+      }
+    },
     "request": {
       "version": "2.25.0",
       "resolved": "https://registry.npmjs.org/request/-/request-2.25.0.tgz",
@@ -256,604 +392,87 @@
       }
     },
     "socket.io": {
-      "version": "1.4.5",
-      "resolved": "https://registry.npmjs.org/socket.io/-/socket.io-1.4.5.tgz",
-      "integrity": "sha1-8gL0nuuc989sCXGtddjZbUUepPc=",
+      "version": "4.5.3",
+      "resolved": "https://registry.npmjs.org/socket.io/-/socket.io-4.5.3.tgz",
+      "integrity": "sha512-zdpnnKU+H6mOp7nYRXH4GNv1ux6HL6+lHL8g7Ds7Lj8CkdK1jJK/dlwsKDculbyOHifcJ0Pr/yeXnZQ5GeFrcg==",
       "requires": {
-        "debug": "2.2.0",
-        "engine.io": "1.6.8",
-        "has-binary": "0.1.7",
-        "socket.io-adapter": "0.4.0",
-        "socket.io-client": "1.4.5",
-        "socket.io-parser": "2.2.6"
+        "accepts": "~1.3.4",
+        "base64id": "~2.0.0",
+        "debug": "~4.3.2",
+        "engine.io": "~6.2.0",
+        "socket.io-adapter": "~2.4.0",
+        "socket.io-parser": "~4.2.0"
       },
       "dependencies": {
         "debug": {
-          "version": "2.2.0",
-          "resolved": "https://registry.npmjs.org/debug/-/debug-2.2.0.tgz",
-          "integrity": "sha1-+HBX6ZWxofauaklgZkE3vFbwOdo=",
+          "version": "4.3.4",
+          "resolved": "https://registry.npmjs.org/debug/-/debug-4.3.4.tgz",
+          "integrity": "sha512-PRWFHuSU3eDtQJPvnNY7Jcket1j0t5OuOsFzPPzsekD52Zl8qUfFIPEiswXqIvHWGVHOgX+7G/vCNNhehwxfkQ==",
           "requires": {
-            "ms": "0.7.1"
-          },
-          "dependencies": {
-            "ms": {
-              "version": "0.7.1",
-              "resolved": "https://registry.npmjs.org/ms/-/ms-0.7.1.tgz",
-              "integrity": "sha1-nNE8A62/8ltl7/3nzoZO6VIBcJg="
-            }
-          }
-        },
-        "engine.io": {
-          "version": "1.6.8",
-          "resolved": "https://registry.npmjs.org/engine.io/-/engine.io-1.6.8.tgz",
-          "integrity": "sha1-3gWga3V+dRdpXgiMewUcR4GfURs=",
-          "requires": {
-            "accepts": "1.1.4",
-            "base64id": "0.1.0",
-            "debug": "2.2.0",
-            "engine.io-parser": "1.2.4",
-            "ws": "1.0.1"
-          },
-          "dependencies": {
-            "accepts": {
-              "version": "1.1.4",
-              "resolved": "https://registry.npmjs.org/accepts/-/accepts-1.1.4.tgz",
-              "integrity": "sha1-1xyW99QdD+2iw4zRToonwEFY30o=",
-              "requires": {
-                "mime-types": "~2.0.4",
-                "negotiator": "0.4.9"
-              },
-              "dependencies": {
-                "mime-types": {
-                  "version": "2.0.14",
-                  "resolved": "https://registry.npmjs.org/mime-types/-/mime-types-2.0.14.tgz",
-                  "integrity": "sha1-MQ4VnbI+B3+Lsit0jav6SVcUCqY=",
-                  "requires": {
-                    "mime-db": "~1.12.0"
-                  },
-                  "dependencies": {
-                    "mime-db": {
-                      "version": "1.12.0",
-                      "resolved": "https://registry.npmjs.org/mime-db/-/mime-db-1.12.0.tgz",
-                      "integrity": "sha1-PQxjGA9FjrENMlqqN9fFiuMS6dc="
-                    }
-                  }
-                },
-                "negotiator": {
-                  "version": "0.4.9",
-                  "resolved": "https://registry.npmjs.org/negotiator/-/negotiator-0.4.9.tgz",
-                  "integrity": "sha1-kuRrbbU8fkIe1koryU8IvnYw3z8="
-                }
-              }
-            },
-            "base64id": {
-              "version": "0.1.0",
-              "resolved": "https://registry.npmjs.org/base64id/-/base64id-0.1.0.tgz",
-              "integrity": "sha1-As4P3u4M709ACA4ec+g08LG/zj8="
-            },
-            "engine.io-parser": {
-              "version": "1.2.4",
-              "resolved": "https://registry.npmjs.org/engine.io-parser/-/engine.io-parser-1.2.4.tgz",
-              "integrity": "sha1-4Il7C/FOeS1M0qWVBVORnFaUjEI=",
-              "requires": {
-                "after": "0.8.1",
-                "arraybuffer.slice": "0.0.6",
-                "base64-arraybuffer": "0.1.2",
-                "blob": "0.0.4",
-                "has-binary": "0.1.6",
-                "utf8": "2.1.0"
-              },
-              "dependencies": {
-                "after": {
-                  "version": "0.8.1",
-                  "resolved": "https://registry.npmjs.org/after/-/after-0.8.1.tgz",
-                  "integrity": "sha1-q11PuIP1loFtNRX495HAr0ht1ic="
-                },
-                "arraybuffer.slice": {
-                  "version": "0.0.6",
-                  "resolved": "https://registry.npmjs.org/arraybuffer.slice/-/arraybuffer.slice-0.0.6.tgz",
-                  "integrity": "sha1-8zshWfBTKj8xB6JywMz70a0peco="
-                },
-                "base64-arraybuffer": {
-                  "version": "0.1.2",
-                  "resolved": "https://registry.npmjs.org/base64-arraybuffer/-/base64-arraybuffer-0.1.2.tgz",
-                  "integrity": "sha1-R030qfLaJOBd8xWMOx2zw81GoVQ="
-                },
-                "blob": {
-                  "version": "0.0.4",
-                  "resolved": "https://registry.npmjs.org/blob/-/blob-0.0.4.tgz",
-                  "integrity": "sha1-vPEwUspURj8w+fx+lbmkdjCpSSE="
-                },
-                "has-binary": {
-                  "version": "0.1.6",
-                  "resolved": "https://registry.npmjs.org/has-binary/-/has-binary-0.1.6.tgz",
-                  "integrity": "sha1-JTJvOc+k9hath4eJTjryz7x7bhA=",
-                  "requires": {
-                    "isarray": "0.0.1"
-                  }
-                },
-                "utf8": {
-                  "version": "2.1.0",
-                  "resolved": "https://registry.npmjs.org/utf8/-/utf8-2.1.0.tgz",
-                  "integrity": "sha1-DP7FyAUtRKI+OqqQgQToB1+V39U="
-                }
-              }
-            },
-            "ws": {
-              "version": "1.0.1",
-              "resolved": "https://registry.npmjs.org/ws/-/ws-1.0.1.tgz",
-              "integrity": "sha1-fQsqLljN3YGQOcKcneZQReGzEOk=",
-              "requires": {
-                "options": ">=0.0.5",
-                "ultron": "1.0.x"
-              },
-              "dependencies": {
-                "options": {
-                  "version": "0.0.6",
-                  "resolved": "https://registry.npmjs.org/options/-/options-0.0.6.tgz",
-                  "integrity": "sha1-7CLTEoBrtT5zF3Pnza788cZDEo8="
-                },
-                "ultron": {
-                  "version": "1.0.2",
-                  "resolved": "https://registry.npmjs.org/ultron/-/ultron-1.0.2.tgz",
-                  "integrity": "sha1-rOEWq1V80Zc4ak6I9GhTeMiy5Po="
-                }
-              }
-            }
-          }
-        },
-        "has-binary": {
-          "version": "0.1.7",
-          "resolved": "https://registry.npmjs.org/has-binary/-/has-binary-0.1.7.tgz",
-          "integrity": "sha1-aOYesWIQyVRaClzOBqhzkS/h5ow=",
-          "requires": {
-            "isarray": "0.0.1"
-          }
-        },
-        "socket.io-adapter": {
-          "version": "0.4.0",
-          "resolved": "https://registry.npmjs.org/socket.io-adapter/-/socket.io-adapter-0.4.0.tgz",
-          "integrity": "sha1-+5+CqxqmUpC/csNleVW5MKmRok8=",
-          "requires": {
-            "debug": "2.2.0",
-            "socket.io-parser": "2.2.2"
-          },
-          "dependencies": {
-            "socket.io-parser": {
-              "version": "2.2.2",
-              "resolved": "https://registry.npmjs.org/socket.io-parser/-/socket.io-parser-2.2.2.tgz",
-              "integrity": "sha1-PXr2tkSX6Va32f53X5mXFgJ/lBc=",
-              "requires": {
-                "benchmark": "1.0.0",
-                "component-emitter": "1.1.2",
-                "debug": "0.7.4",
-                "isarray": "0.0.1",
-                "json3": "3.2.6"
-              },
-              "dependencies": {
-                "benchmark": {
-                  "version": "1.0.0",
-                  "resolved": "https://registry.npmjs.org/benchmark/-/benchmark-1.0.0.tgz",
-                  "integrity": "sha1-Lx4vpMNZ8REiqhgwgiGOlX45DHM="
-                },
-                "component-emitter": {
-                  "version": "1.1.2",
-                  "resolved": "https://registry.npmjs.org/component-emitter/-/component-emitter-1.1.2.tgz",
-                  "integrity": "sha1-KWWU8nU9qmOZbSrwjRWpURbJrsM="
-                },
-                "debug": {
-                  "version": "0.7.4",
-                  "resolved": "https://registry.npmjs.org/debug/-/debug-0.7.4.tgz",
-                  "integrity": "sha1-BuHqgILCyxTjmAbiLi9vdX+Srzk="
-                },
-                "json3": {
-                  "version": "3.2.6",
-                  "resolved": "https://registry.npmjs.org/json3/-/json3-3.2.6.tgz",
-                  "integrity": "sha1-9u/JPAagTemuxTBT3yVZuxniA4s="
-                }
-              }
-            }
-          }
-        },
-        "socket.io-client": {
-          "version": "1.4.5",
-          "resolved": "https://registry.npmjs.org/socket.io-client/-/socket.io-client-1.4.5.tgz",
-          "integrity": "sha1-QA1jDDHnyVeeRRc/l35PW9jcfS4=",
-          "requires": {
-            "backo2": "1.0.2",
-            "component-bind": "1.0.0",
-            "component-emitter": "1.2.0",
-            "debug": "2.2.0",
-            "engine.io-client": "1.6.8",
-            "has-binary": "0.1.7",
-            "indexof": "0.0.1",
-            "object-component": "0.0.3",
-            "parseuri": "0.0.4",
-            "socket.io-parser": "2.2.6",
-            "to-array": "0.1.4"
-          },
-          "dependencies": {
-            "backo2": {
-              "version": "1.0.2",
-              "resolved": "https://registry.npmjs.org/backo2/-/backo2-1.0.2.tgz",
-              "integrity": "sha1-MasayLEpNjRj41s+u2n038+6eUc="
-            },
-            "component-bind": {
-              "version": "1.0.0",
-              "resolved": "https://registry.npmjs.org/component-bind/-/component-bind-1.0.0.tgz",
-              "integrity": "sha1-AMYIq33Nk4l8AAllGx06jh5zu9E="
-            },
-            "component-emitter": {
-              "version": "1.2.0",
-              "resolved": "https://registry.npmjs.org/component-emitter/-/component-emitter-1.2.0.tgz",
-              "integrity": "sha1-zNETqGOI0GSC0D3j/H35hSa6jv4="
-            },
-            "engine.io-client": {
-              "version": "1.6.8",
-              "resolved": "https://registry.npmjs.org/engine.io-client/-/engine.io-client-1.6.8.tgz",
-              "integrity": "sha1-bi2xFki0XkBcRrFy6j49rDfMDOs=",
-              "requires": {
-                "component-emitter": "1.1.2",
-                "component-inherit": "0.0.3",
-                "debug": "2.2.0",
-                "engine.io-parser": "1.2.4",
-                "has-cors": "1.1.0",
-                "indexof": "0.0.1",
-                "parsejson": "0.0.1",
-                "parseqs": "0.0.2",
-                "parseuri": "0.0.4",
-                "ws": "1.0.1",
-                "xmlhttprequest-ssl": "1.5.1",
-                "yeast": "0.1.2"
-              },
-              "dependencies": {
-                "component-emitter": {
-                  "version": "1.1.2",
-                  "resolved": "https://registry.npmjs.org/component-emitter/-/component-emitter-1.1.2.tgz",
-                  "integrity": "sha1-KWWU8nU9qmOZbSrwjRWpURbJrsM="
-                },
-                "component-inherit": {
-                  "version": "0.0.3",
-                  "resolved": "https://registry.npmjs.org/component-inherit/-/component-inherit-0.0.3.tgz",
-                  "integrity": "sha1-ZF/ErfWLcrZJ1crmUTVhnbJv8UM="
-                },
-                "engine.io-parser": {
-                  "version": "1.2.4",
-                  "resolved": "https://registry.npmjs.org/engine.io-parser/-/engine.io-parser-1.2.4.tgz",
-                  "integrity": "sha1-4Il7C/FOeS1M0qWVBVORnFaUjEI=",
-                  "requires": {
-                    "after": "0.8.1",
-                    "arraybuffer.slice": "0.0.6",
-                    "base64-arraybuffer": "0.1.2",
-                    "blob": "0.0.4",
-                    "has-binary": "0.1.6",
-                    "utf8": "2.1.0"
-                  },
-                  "dependencies": {
-                    "after": {
-                      "version": "0.8.1",
-                      "resolved": "https://registry.npmjs.org/after/-/after-0.8.1.tgz",
-                      "integrity": "sha1-q11PuIP1loFtNRX495HAr0ht1ic="
-                    },
-                    "arraybuffer.slice": {
-                      "version": "0.0.6",
-                      "resolved": "https://registry.npmjs.org/arraybuffer.slice/-/arraybuffer.slice-0.0.6.tgz",
-                      "integrity": "sha1-8zshWfBTKj8xB6JywMz70a0peco="
-                    },
-                    "base64-arraybuffer": {
-                      "version": "0.1.2",
-                      "resolved": "https://registry.npmjs.org/base64-arraybuffer/-/base64-arraybuffer-0.1.2.tgz",
-                      "integrity": "sha1-R030qfLaJOBd8xWMOx2zw81GoVQ="
-                    },
-                    "blob": {
-                      "version": "0.0.4",
-                      "resolved": "https://registry.npmjs.org/blob/-/blob-0.0.4.tgz",
-                      "integrity": "sha1-vPEwUspURj8w+fx+lbmkdjCpSSE="
-                    },
-                    "has-binary": {
-                      "version": "0.1.6",
-                      "resolved": "https://registry.npmjs.org/has-binary/-/has-binary-0.1.6.tgz",
-                      "integrity": "sha1-JTJvOc+k9hath4eJTjryz7x7bhA=",
-                      "requires": {
-                        "isarray": "0.0.1"
-                      }
-                    },
-                    "utf8": {
-                      "version": "2.1.0",
-                      "resolved": "https://registry.npmjs.org/utf8/-/utf8-2.1.0.tgz",
-                      "integrity": "sha1-DP7FyAUtRKI+OqqQgQToB1+V39U="
-                    }
-                  }
-                },
-                "has-cors": {
-                  "version": "1.1.0",
-                  "resolved": "https://registry.npmjs.org/has-cors/-/has-cors-1.1.0.tgz",
-                  "integrity": "sha1-XkdHk/fqmEPRu5nCPu9J/xJv/zk="
-                },
-                "parsejson": {
-                  "version": "0.0.1",
-                  "resolved": "https://registry.npmjs.org/parsejson/-/parsejson-0.0.1.tgz",
-                  "integrity": "sha1-mxDGwNglq1ieaFFTgm3go7oni8w=",
-                  "requires": {
-                    "better-assert": "~1.0.0"
-                  },
-                  "dependencies": {
-                    "better-assert": {
-                      "version": "1.0.2",
-                      "resolved": "https://registry.npmjs.org/better-assert/-/better-assert-1.0.2.tgz",
-                      "integrity": "sha1-QIZrnhueC1W0gYlDEeaPr/rrxSI=",
-                      "requires": {
-                        "callsite": "1.0.0"
-                      },
-                      "dependencies": {
-                        "callsite": {
-                          "version": "1.0.0",
-                          "resolved": "https://registry.npmjs.org/callsite/-/callsite-1.0.0.tgz",
-                          "integrity": "sha1-KAOY5dZkvXQDi28JBRU+borxvCA="
-                        }
-                      }
-                    }
-                  }
-                },
-                "parseqs": {
-                  "version": "0.0.2",
-                  "resolved": "https://registry.npmjs.org/parseqs/-/parseqs-0.0.2.tgz",
-                  "integrity": "sha1-nf5wss3aw4i95PNbHyQPpYrb5sc=",
-                  "requires": {
-                    "better-assert": "~1.0.0"
-                  },
-                  "dependencies": {
-                    "better-assert": {
-                      "version": "1.0.2",
-                      "resolved": "https://registry.npmjs.org/better-assert/-/better-assert-1.0.2.tgz",
-                      "integrity": "sha1-QIZrnhueC1W0gYlDEeaPr/rrxSI=",
-                      "requires": {
-                        "callsite": "1.0.0"
-                      },
-                      "dependencies": {
-                        "callsite": {
-                          "version": "1.0.0",
-                          "resolved": "https://registry.npmjs.org/callsite/-/callsite-1.0.0.tgz",
-                          "integrity": "sha1-KAOY5dZkvXQDi28JBRU+borxvCA="
-                        }
-                      }
-                    }
-                  }
-                },
-                "ws": {
-                  "version": "1.0.1",
-                  "resolved": "https://registry.npmjs.org/ws/-/ws-1.0.1.tgz",
-                  "integrity": "sha1-fQsqLljN3YGQOcKcneZQReGzEOk=",
-                  "requires": {
-                    "options": ">=0.0.5",
-                    "ultron": "1.0.x"
-                  },
-                  "dependencies": {
-                    "options": {
-                      "version": "0.0.6",
-                      "resolved": "https://registry.npmjs.org/options/-/options-0.0.6.tgz",
-                      "integrity": "sha1-7CLTEoBrtT5zF3Pnza788cZDEo8="
-                    },
-                    "ultron": {
-                      "version": "1.0.2",
-                      "resolved": "https://registry.npmjs.org/ultron/-/ultron-1.0.2.tgz",
-                      "integrity": "sha1-rOEWq1V80Zc4ak6I9GhTeMiy5Po="
-                    }
-                  }
-                },
-                "xmlhttprequest-ssl": {
-                  "version": "1.5.1",
-                  "resolved": "https://registry.npmjs.org/xmlhttprequest-ssl/-/xmlhttprequest-ssl-1.5.1.tgz",
-                  "integrity": "sha1-O3dB/qSoZnWXbpCNKW1ERZYfqmc="
-                },
-                "yeast": {
-                  "version": "0.1.2",
-                  "resolved": "https://registry.npmjs.org/yeast/-/yeast-0.1.2.tgz",
-                  "integrity": "sha1-AI4G2AlDIMNy28L47XagymyKxBk="
-                }
-              }
-            },
-            "indexof": {
-              "version": "0.0.1",
-              "resolved": "https://registry.npmjs.org/indexof/-/indexof-0.0.1.tgz",
-              "integrity": "sha1-gtwzbSMrkGIXnQWrMpOmYFn9Q10="
-            },
-            "object-component": {
-              "version": "0.0.3",
-              "resolved": "https://registry.npmjs.org/object-component/-/object-component-0.0.3.tgz",
-              "integrity": "sha1-8MaapQ78lbhmwYb0AKM3acsvEpE="
-            },
-            "parseuri": {
-              "version": "0.0.4",
-              "resolved": "https://registry.npmjs.org/parseuri/-/parseuri-0.0.4.tgz",
-              "integrity": "sha1-gGWCo5iH4eoY3V4v4OAZAiaOk1A=",
-              "requires": {
-                "better-assert": "~1.0.0"
-              },
-              "dependencies": {
-                "better-assert": {
-                  "version": "1.0.2",
-                  "resolved": "https://registry.npmjs.org/better-assert/-/better-assert-1.0.2.tgz",
-                  "integrity": "sha1-QIZrnhueC1W0gYlDEeaPr/rrxSI=",
-                  "requires": {
-                    "callsite": "1.0.0"
-                  },
-                  "dependencies": {
-                    "callsite": {
-                      "version": "1.0.0",
-                      "resolved": "https://registry.npmjs.org/callsite/-/callsite-1.0.0.tgz",
-                      "integrity": "sha1-KAOY5dZkvXQDi28JBRU+borxvCA="
-                    }
-                  }
-                }
-              }
-            },
-            "to-array": {
-              "version": "0.1.4",
-              "resolved": "https://registry.npmjs.org/to-array/-/to-array-0.1.4.tgz",
-              "integrity": "sha1-F+bBH3PdTz10zaek/zI46a2b+JA="
-            }
+            "ms": "2.1.2"
           }
-        },
-        "socket.io-parser": {
-          "version": "2.2.6",
-          "resolved": "https://registry.npmjs.org/socket.io-parser/-/socket.io-parser-2.2.6.tgz",
-          "integrity": "sha1-ON/WHfUNz4qx2eIJEyK/kCuii5k=",
+        }
+      }
+    },
+    "socket.io-adapter": {
+      "version": "2.4.0",
+      "resolved": "https://registry.npmjs.org/socket.io-adapter/-/socket.io-adapter-2.4.0.tgz",
+      "integrity": "sha512-W4N+o69rkMEGVuk2D/cvca3uYsvGlMwsySWV447y99gUPghxq42BxqLNMndb+a1mm/5/7NeXVQS7RLa2XyXvYg=="
+    },
+    "socket.io-parser": {
+      "version": "4.2.1",
+      "resolved": "https://registry.npmjs.org/socket.io-parser/-/socket.io-parser-4.2.1.tgz",
+      "integrity": "sha512-V4GrkLy+HeF1F/en3SpUaM+7XxYXpuMUWLGde1kSSh5nQMN4hLrbPIkD+otwh6q9R6NOQBN4AMaOZ2zVjui82g==",
+      "requires": {
+        "@socket.io/component-emitter": "~3.1.0",
+        "debug": "~4.3.1"
+      },
+      "dependencies": {
+        "debug": {
+          "version": "4.3.4",
+          "resolved": "https://registry.npmjs.org/debug/-/debug-4.3.4.tgz",
+          "integrity": "sha512-PRWFHuSU3eDtQJPvnNY7Jcket1j0t5OuOsFzPPzsekD52Zl8qUfFIPEiswXqIvHWGVHOgX+7G/vCNNhehwxfkQ==",
           "requires": {
-            "benchmark": "1.0.0",
-            "component-emitter": "1.1.2",
-            "debug": "2.2.0",
-            "isarray": "0.0.1",
-            "json3": "3.3.2"
-          },
-          "dependencies": {
-            "benchmark": {
-              "version": "1.0.0",
-              "resolved": "https://registry.npmjs.org/benchmark/-/benchmark-1.0.0.tgz",
-              "integrity": "sha1-Lx4vpMNZ8REiqhgwgiGOlX45DHM="
-            },
-            "component-emitter": {
-              "version": "1.1.2",
-              "resolved": "https://registry.npmjs.org/component-emitter/-/component-emitter-1.1.2.tgz",
-              "integrity": "sha1-KWWU8nU9qmOZbSrwjRWpURbJrsM="
-            },
-            "json3": {
-              "version": "3.3.2",
-              "resolved": "https://registry.npmjs.org/json3/-/json3-3.3.2.tgz",
-              "integrity": "sha1-PAQ0dD35Pi9cQq7nsZvLSDV19OE="
-            }
+            "ms": "2.1.2"
           }
         }
       }
     },
     "socket.io-redis": {
-      "version": "1.0.0",
-      "resolved": "https://registry.npmjs.org/socket.io-redis/-/socket.io-redis-1.0.0.tgz",
-      "integrity": "sha1-bvYCuF2qp6pbYZzO/iVdJSPvsBU=",
+      "version": "6.1.1",
+      "resolved": "https://registry.npmjs.org/socket.io-redis/-/socket.io-redis-6.1.1.tgz",
+      "integrity": "sha512-jeaXe3TGKC20GMSlPHEdwTUIWUpay/L7m5+S9TQcOf22p9Llx44/RkpJV08+buXTZ8E+aivOotj2RdeFJJWJJQ==",
       "requires": {
-        "async": "0.9.0",
-        "debug": "2.2.0",
-        "msgpack-js": "0.3.0",
-        "redis": "2.3.0",
-        "socket.io-adapter": "0.4.0",
+        "debug": "~4.3.1",
+        "notepack.io": "~2.2.0",
+        "redis": "^3.0.0",
+        "socket.io-adapter": "~2.2.0",
         "uid2": "0.0.3"
       },
       "dependencies": {
-        "async": {
-          "version": "0.9.0",
-          "resolved": "https://registry.npmjs.org/async/-/async-0.9.0.tgz",
-          "integrity": "sha1-rDYTsdqb7RtHUQu0ZRuJMeRxRsc="
-        },
         "debug": {
-          "version": "2.2.0",
-          "resolved": "https://registry.npmjs.org/debug/-/debug-2.2.0.tgz",
-          "integrity": "sha1-+HBX6ZWxofauaklgZkE3vFbwOdo=",
+          "version": "4.3.4",
+          "resolved": "https://registry.npmjs.org/debug/-/debug-4.3.4.tgz",
+          "integrity": "sha512-PRWFHuSU3eDtQJPvnNY7Jcket1j0t5OuOsFzPPzsekD52Zl8qUfFIPEiswXqIvHWGVHOgX+7G/vCNNhehwxfkQ==",
           "requires": {
-            "ms": "0.7.1"
-          },
-          "dependencies": {
-            "ms": {
-              "version": "0.7.1",
-              "resolved": "https://registry.npmjs.org/ms/-/ms-0.7.1.tgz",
-              "integrity": "sha1-nNE8A62/8ltl7/3nzoZO6VIBcJg="
-            }
-          }
-        },
-        "msgpack-js": {
-          "version": "0.3.0",
-          "resolved": "https://registry.npmjs.org/msgpack-js/-/msgpack-js-0.3.0.tgz",
-          "integrity": "sha1-Aw7AjFlW+cp9F9QKVy1Tlv7BCSM=",
-          "requires": {
-            "bops": "~0.0.6"
-          },
-          "dependencies": {
-            "bops": {
-              "version": "0.0.7",
-              "resolved": "https://registry.npmjs.org/bops/-/bops-0.0.7.tgz",
-              "integrity": "sha1-tKClqDmkBkVK8P4FqLkaenZqVOI=",
-              "requires": {
-                "base64-js": "0.0.2",
-                "to-utf8": "0.0.1"
-              },
-              "dependencies": {
-                "base64-js": {
-                  "version": "0.0.2",
-                  "resolved": "https://registry.npmjs.org/base64-js/-/base64-js-0.0.2.tgz",
-                  "integrity": "sha1-Ak8Pcq+iW3X5wO5zzU9V7Bvtl4Q="
-                },
-                "to-utf8": {
-                  "version": "0.0.1",
-                  "resolved": "https://registry.npmjs.org/to-utf8/-/to-utf8-0.0.1.tgz",
-                  "integrity": "sha1-0Xrqcv8vujm55DYBvns/9y4ImFI="
-                }
-              }
-            }
+            "ms": "2.1.2"
           }
         },
         "redis": {
-          "version": "2.3.0",
-          "resolved": "https://registry.npmjs.org/redis/-/redis-2.3.0.tgz",
-          "integrity": "sha1-lQHtiJGKVokm4RDx2h671xl7ebI=",
+          "version": "3.1.2",
+          "resolved": "https://registry.npmjs.org/redis/-/redis-3.1.2.tgz",
+          "integrity": "sha512-grn5KoZLr/qrRQVwoSkmzdbw6pwF+/rwODtrOr6vuBRiR/f3rjSTGupbF90Zpqm2oenix8Do6RV7pYEkGwlKkw==",
           "requires": {
-            "double-ended-queue": "^2.1.0-0"
-          },
-          "dependencies": {
-            "double-ended-queue": {
-              "version": "2.1.0-0",
-              "resolved": "https://registry.npmjs.org/double-ended-queue/-/double-ended-queue-2.1.0-0.tgz",
-              "integrity": "sha1-ED01J/0xUo9AGIEwyEHv3XgmTlw="
-            }
+            "denque": "^1.5.0",
+            "redis-commands": "^1.7.0",
+            "redis-errors": "^1.2.0",
+            "redis-parser": "^3.0.0"
           }
         },
         "socket.io-adapter": {
-          "version": "0.4.0",
-          "resolved": "https://registry.npmjs.org/socket.io-adapter/-/socket.io-adapter-0.4.0.tgz",
-          "integrity": "sha1-+5+CqxqmUpC/csNleVW5MKmRok8=",
-          "requires": {
-            "debug": "2.2.0",
-            "socket.io-parser": "2.2.2"
-          },
-          "dependencies": {
-            "socket.io-parser": {
-              "version": "2.2.2",
-              "resolved": "https://registry.npmjs.org/socket.io-parser/-/socket.io-parser-2.2.2.tgz",
-              "integrity": "sha1-PXr2tkSX6Va32f53X5mXFgJ/lBc=",
-              "requires": {
-                "benchmark": "1.0.0",
-                "component-emitter": "1.1.2",
-                "debug": "0.7.4",
-                "isarray": "0.0.1",
-                "json3": "3.2.6"
-              },
-              "dependencies": {
-                "benchmark": {
-                  "version": "1.0.0",
-                  "resolved": "https://registry.npmjs.org/benchmark/-/benchmark-1.0.0.tgz",
-                  "integrity": "sha1-Lx4vpMNZ8REiqhgwgiGOlX45DHM="
-                },
-                "component-emitter": {
-                  "version": "1.1.2",
-                  "resolved": "https://registry.npmjs.org/component-emitter/-/component-emitter-1.1.2.tgz",
-                  "integrity": "sha1-KWWU8nU9qmOZbSrwjRWpURbJrsM="
-                },
-                "debug": {
-                  "version": "0.7.4",
-                  "resolved": "https://registry.npmjs.org/debug/-/debug-0.7.4.tgz",
-                  "integrity": "sha1-BuHqgILCyxTjmAbiLi9vdX+Srzk="
-                },
-                "json3": {
-                  "version": "3.2.6",
-                  "resolved": "https://registry.npmjs.org/json3/-/json3-3.2.6.tgz",
-                  "integrity": "sha1-9u/JPAagTemuxTBT3yVZuxniA4s="
-                }
-              }
-            }
-          }
-        },
-        "uid2": {
-          "version": "0.0.3",
-          "resolved": "https://registry.npmjs.org/uid2/-/uid2-0.0.3.tgz",
-          "integrity": "sha1-SDEm4Rd03y9xuLY53NeZw3YWK4I="
+          "version": "2.2.0",
+          "resolved": "https://registry.npmjs.org/socket.io-adapter/-/socket.io-adapter-2.2.0.tgz",
+          "integrity": "sha512-rG49L+FwaVEwuAdeBRq49M97YI3ElVabJPzvHT9S6a2CWhDKnjSFasvwAwSYPRhQzfn4NtDIbCaGYgOCOU/rlg=="
         }
       }
     },
@@ -1315,10 +934,25 @@
       "resolved": "https://registry.npmjs.org/tunnel-agent/-/tunnel-agent-0.3.0.tgz",
       "integrity": "sha1-rWgbaPUyGtKCfEz7G31d8s/pQu4="
     },
+    "uid2": {
+      "version": "0.0.3",
+      "resolved": "https://registry.npmjs.org/uid2/-/uid2-0.0.3.tgz",
+      "integrity": "sha512-5gSP1liv10Gjp8cMEnFd6shzkL/D6W1uhXSFNCxDC+YI8+L8wkCYCbJ7n77Ezb4wE/xzMogecE+DtamEe9PZjg=="
+    },
     "underscore": {
       "version": "1.8.3",
       "resolved": "https://registry.npmjs.org/underscore/-/underscore-1.8.3.tgz",
       "integrity": "sha1-Tz+1OxBuYJf8+ctBCfKl6b36UCI="
+    },
+    "vary": {
+      "version": "1.1.2",
+      "resolved": "https://registry.npmjs.org/vary/-/vary-1.1.2.tgz",
+      "integrity": "sha512-BNGbWLfd0eUPabhkXUVm0j8uuvREyTh5ovRa/dyow/BqAbZJyC+5fU+IzQOzmAKzYqYRAISoRhdQr3eIZ/PXqg=="
+    },
+    "ws": {
+      "version": "8.2.3",
+      "resolved": "https://registry.npmjs.org/ws/-/ws-8.2.3.tgz",
+      "integrity": "sha512-wBuoj1BDpC6ZQ1B7DWQBYVLphPWkm8i9Y0/3YdHjHKHiohOJ1ws+3OccDWtH+PoC9DZD5WOTrJvNbWvjS6JWaA=="
     }
   }
 }
diff --git a/node/package.json b/node/package.json
index 21c2c61..8d875e1 100644
--- a/node/package.json
+++ b/node/package.json
@@ -12,8 +12,8 @@
     "node-gcm-service": "^0.2.8",
     "q": "^1.0.1",
     "redis": "^0.8.3",
-    "socket.io": "^1.0.0",
-    "socket.io-redis": "^1.0.0",
+    "socket.io": "^4.5.3",
+    "socket.io-redis": "^6.1.1",
     "tracer": "^0.7.1",
     "underscore": "^1.8.3"
   },