diff --git a/package-lock.json b/package-lock.json
index 06a796f..ac123d1 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -10,481 +10,162 @@
       "integrity": "sha512-5bmatrMi9KJDsLwW+sSbrZyFrLA7gQNbKpgju1aVjT+lTzvzZKLd4lnYmkuIFph+G3/gHBIYKazlQBYWKrNWcg=="
     },
     "accepts": {
-      "version": "1.0.3",
-      "resolved": "https://registry.npmjs.org/accepts/-/accepts-1.0.3.tgz",
-      "integrity": "sha1-krHbDU89tHsFMN9uFa6X21FNwvg=",
-      "requires": {
-        "mime": "~1.2.11",
-        "negotiator": "0.4.6"
-      }
-    },
-    "basic-auth-connect": {
       "version": "1.0.0",
-      "resolved": "https://registry.npmjs.org/basic-auth-connect/-/basic-auth-connect-1.0.0.tgz",
-      "integrity": "sha1-/bC0OWLKe0BFanwrtI/hc9otISI="
-    },
-    "batch": {
-      "version": "0.5.0",
-      "resolved": "https://registry.npmjs.org/batch/-/batch-0.5.0.tgz",
-      "integrity": "sha1-/S4Fp6XWlrTbkxQBPihdj/NVfsM="
-    },
-    "body-parser": {
-      "version": "1.3.1",
-      "resolved": "https://registry.npmjs.org/body-parser/-/body-parser-1.3.1.tgz",
-      "integrity": "sha1-GnRRP8eJfXDbVlieDQPwoT8b+pQ=",
+      "resolved": "https://registry.npmjs.org/accepts/-/accepts-1.0.0.tgz",
+      "integrity": "sha512-2GdyQ5yRXA5MZi1gmU/XUFQTo7FtXsR2Jt90pl1pQftbsRdXQn69Mycn7xNGxVVmu1xdzZKe/GyMHnDlcV7ojg==",
       "requires": {
-        "bytes": "1.0.0",
-        "qs": "0.6.6",
-        "raw-body": "1.1.6",
-        "type-is": "1.2.1"
+        "mime": "~1.2.11",
+        "negotiator": "~0.3.0"
       }
     },
     "buffer-crc32": {
       "version": "0.2.1",
       "resolved": "https://registry.npmjs.org/buffer-crc32/-/buffer-crc32-0.2.1.tgz",
-      "integrity": "sha1-vj5TgvwCttYySVasGvmKqYsIU0w="
-    },
-    "bytes": {
-      "version": "1.0.0",
-      "resolved": "https://registry.npmjs.org/bytes/-/bytes-1.0.0.tgz",
-      "integrity": "sha1-NWnt6Lo0MV+rmcPpLLBMciDeH6g="
-    },
-    "commander": {
-      "version": "1.3.2",
-      "resolved": "https://registry.npmjs.org/commander/-/commander-1.3.2.tgz",
-      "integrity": "sha1-io8w7GcKb91kr1LxkUuQfXnq1bU=",
-      "requires": {
-        "keypress": "0.1.x"
-      }
-    },
-    "compressible": {
-      "version": "1.1.0",
-      "resolved": "https://registry.npmjs.org/compressible/-/compressible-1.1.0.tgz",
-      "integrity": "sha1-Ek2Ke7oYoFpBCi8lutQTsblK/2c="
-    },
-    "compression": {
-      "version": "1.0.7",
-      "resolved": "https://registry.npmjs.org/compression/-/compression-1.0.7.tgz",
-      "integrity": "sha1-/Ev/Jh3043oTAAby2yqZo0iW9Vo=",
-      "requires": {
-        "accepts": "1.0.3",
-        "bytes": "1.0.0",
-        "compressible": "1.1.0",
-        "on-headers": "0.0.0",
-        "vary": "0.1.0"
-      }
-    },
-    "connect": {
-      "version": "2.19.6",
-      "resolved": "https://registry.npmjs.org/connect/-/connect-2.19.6.tgz",
-      "integrity": "sha1-1HP9eUnFW0I6ZPhCDb0Gnbd82dI=",
-      "requires": {
-        "basic-auth-connect": "1.0.0",
-        "body-parser": "1.3.1",
-        "bytes": "1.0.0",
-        "compression": "1.0.7",
-        "connect-timeout": "1.1.0",
-        "cookie": "0.1.2",
-        "cookie-parser": "1.1.0",
-        "cookie-signature": "1.0.3",
-        "csurf": "1.2.1",
-        "debug": "1.0.2",
-        "errorhandler": "1.0.2",
-        "escape-html": "1.0.1",
-        "express-session": "1.2.1",
-        "fresh": "0.2.2",
-        "method-override": "2.0.2",
-        "morgan": "1.1.1",
-        "multiparty": "3.2.8",
-        "on-headers": "0.0.0",
-        "parseurl": "1.0.1",
-        "pause": "0.0.1",
-        "qs": "0.6.6",
-        "response-time": "2.0.0",
-        "serve-favicon": "2.0.1",
-        "serve-index": "1.1.1",
-        "serve-static": "1.2.3",
-        "type-is": "1.2.1",
-        "vhost": "1.0.0"
-      }
-    },
-    "connect-timeout": {
-      "version": "1.1.0",
-      "resolved": "https://registry.npmjs.org/connect-timeout/-/connect-timeout-1.1.0.tgz",
-      "integrity": "sha1-/IBhX8els4Y70DGa8kkdLX/cXwU=",
-      "requires": {
-        "debug": "0.8.1"
-      },
-      "dependencies": {
-        "debug": {
-          "version": "0.8.1",
-          "resolved": "https://registry.npmjs.org/debug/-/debug-0.8.1.tgz",
-          "integrity": "sha1-IP9NJvXkIstoobrLu2EDmtjBwTA="
-        }
-      }
+      "integrity": "sha512-vMfBIRp/wjlpueSz7Sb0OmO7C5SH58SSmbsT8G4D48YfO/Zgbr29xNXMpZVSC14ujVJfrZZH1Bl+kXYRQPuvfQ=="
     },
     "cookie": {
-      "version": "0.1.2",
-      "resolved": "https://registry.npmjs.org/cookie/-/cookie-0.1.2.tgz",
-      "integrity": "sha1-cv7D0k5Io0Mgc9kMEmQgBQYQBLE="
-    },
-    "cookie-parser": {
-      "version": "1.1.0",
-      "resolved": "https://registry.npmjs.org/cookie-parser/-/cookie-parser-1.1.0.tgz",
-      "integrity": "sha1-L4JlqjtVczqF7vIH8OJTDD6M9wU=",
-      "requires": {
-        "cookie": "0.1.2",
-        "cookie-signature": "1.0.3"
-      }
+      "version": "0.1.0",
+      "resolved": "https://registry.npmjs.org/cookie/-/cookie-0.1.0.tgz",
+      "integrity": "sha512-YSNOBX085/nzHvrTLEHYHoNdkvpLU1MPjU3r1IGawudZJjfuqnRNIFrcOJJ7bfwC+HWbHL1Y4yMkC0O+HWjV7w=="
     },
     "cookie-signature": {
       "version": "1.0.3",
       "resolved": "https://registry.npmjs.org/cookie-signature/-/cookie-signature-1.0.3.tgz",
-      "integrity": "sha1-kc2ZfMUftkFZVzjGnNoCAyj1D/k="
-    },
-    "core-util-is": {
-      "version": "1.0.2",
-      "resolved": "https://registry.npmjs.org/core-util-is/-/core-util-is-1.0.2.tgz",
-      "integrity": "sha1-tf1UIgqivFq1eqtxQMlAdUUDwac="
-    },
-    "csrf-tokens": {
-      "version": "1.0.4",
-      "resolved": "https://registry.npmjs.org/csrf-tokens/-/csrf-tokens-1.0.4.tgz",
-      "integrity": "sha1-SWclaLJwM0hkTqyvYc29wFS6VvI=",
-      "requires": {
-        "rndm": "1",
-        "scmp": "~0.0.3",
-        "uid2": "~0.0.2"
-      }
-    },
-    "csurf": {
-      "version": "1.2.1",
-      "resolved": "https://registry.npmjs.org/csurf/-/csurf-1.2.1.tgz",
-      "integrity": "sha1-OSj6I3WS7Vgkp8Ih2Fgb81ap2nY=",
-      "requires": {
-        "csrf-tokens": "~1.0.2"
-      }
+      "integrity": "sha512-/KzKzsm0OlguYov01OlOpTkX5MhBKUmfL/KMum7R80rPKheb9AwUzr78TwtBt1OdbnWrt4X+wxbTfcQ3noZqHw=="
     },
     "debug": {
-      "version": "1.0.2",
-      "resolved": "https://registry.npmjs.org/debug/-/debug-1.0.2.tgz",
-      "integrity": "sha1-OElZHBDM5khHbDx8Li40FttZY8Q=",
-      "requires": {
-        "ms": "0.6.2"
-      }
-    },
-    "ee-first": {
-      "version": "1.0.3",
-      "resolved": "https://registry.npmjs.org/ee-first/-/ee-first-1.0.3.tgz",
-      "integrity": "sha1-bJjECJq+y1p7hcGsRJqmA9Oz2r4="
-    },
-    "errorhandler": {
-      "version": "1.0.2",
-      "resolved": "https://registry.npmjs.org/errorhandler/-/errorhandler-1.0.2.tgz",
-      "integrity": "sha1-WH1Hu7vEjP/hMsOs2nIVyQJVgQg="
+      "version": "0.8.1",
+      "resolved": "https://registry.npmjs.org/debug/-/debug-0.8.1.tgz",
+      "integrity": "sha512-HlXEJm99YsRjLJ8xmuz0Lq8YUwrv7hAJkTEr6/Em3sUlSUNl0UdFA+1SrY4fnykeq1FVkUEUtwRGHs9VvlYbGA=="
     },
     "escape-html": {
       "version": "1.0.1",
       "resolved": "https://registry.npmjs.org/escape-html/-/escape-html-1.0.1.tgz",
-      "integrity": "sha1-GBoobq05ejmpKFfPsdQwUuNWv/A="
+      "integrity": "sha512-z6kAnok8fqVTra7Yu77dZF2Y6ETJlxH58wN38wNyuNQLm8xXdKnfNrlSmfXsTePWP03rRVUKHubtUwanwUi7+g=="
     },
     "express": {
-      "version": "3.10.5",
-      "resolved": "https://registry.npmjs.org/express/-/express-3.10.5.tgz",
-      "integrity": "sha1-hCwLy09rf8YyP6MDDyTQ6fgsVQE=",
+      "version": "4.0.0",
+      "resolved": "https://registry.npmjs.org/express/-/express-4.0.0.tgz",
+      "integrity": "sha512-HP2D9TkAYTAfau6FklzmchQQH/7Dh/JmbrbiJanV80rO12Kc00z5tDrqahBG3fR6x/RuUZvpEwiQ91b7UhJ8qQ==",
       "requires": {
+        "accepts": "1.0.0",
         "buffer-crc32": "0.2.1",
-        "commander": "1.3.2",
-        "connect": "2.19.6",
-        "cookie": "0.1.2",
+        "cookie": "0.1.0",
         "cookie-signature": "1.0.3",
-        "debug": "1.0.2",
+        "debug": ">= 0.7.3 < 1",
         "escape-html": "1.0.1",
         "fresh": "0.2.2",
         "merge-descriptors": "0.0.2",
-        "methods": "1.0.1",
-        "mkdirp": "0.5.0",
+        "methods": "0.1.0",
         "parseurl": "1.0.1",
-        "proxy-addr": "1.0.1",
+        "path-to-regexp": "0.1.2",
+        "qs": "0.6.6",
         "range-parser": "1.0.0",
-        "send": "0.4.3",
-        "vary": "0.1.0"
-      }
-    },
-    "express-session": {
-      "version": "1.2.1",
-      "resolved": "https://registry.npmjs.org/express-session/-/express-session-1.2.1.tgz",
-      "integrity": "sha1-J0GhZh6zpKF6fbCkgEn78FV05GU=",
-      "requires": {
-        "buffer-crc32": "0.2.1",
-        "cookie": "0.1.2",
-        "cookie-signature": "1.0.3",
-        "debug": "0.8.1",
-        "on-headers": "0.0.0",
-        "uid2": "0.0.3",
+        "send": "0.2.0",
+        "serve-static": "1.0.1",
+        "type-is": "1.0.0",
         "utils-merge": "1.0.0"
-      },
-      "dependencies": {
-        "debug": {
-          "version": "0.8.1",
-          "resolved": "https://registry.npmjs.org/debug/-/debug-0.8.1.tgz",
-          "integrity": "sha1-IP9NJvXkIstoobrLu2EDmtjBwTA="
-        }
-      }
-    },
-    "finished": {
-      "version": "1.2.2",
-      "resolved": "https://registry.npmjs.org/finished/-/finished-1.2.2.tgz",
-      "integrity": "sha1-QWCOr639ZWg7RqEiC8Sx7D2u3Ng=",
-      "requires": {
-        "ee-first": "1.0.3"
       }
     },
     "fresh": {
       "version": "0.2.2",
       "resolved": "https://registry.npmjs.org/fresh/-/fresh-0.2.2.tgz",
-      "integrity": "sha1-lzHc9WeMf660T7kDxPct9VGH+nc="
-    },
-    "inherits": {
-      "version": "2.0.3",
-      "resolved": "https://registry.npmjs.org/inherits/-/inherits-2.0.3.tgz",
-      "integrity": "sha1-Yzwsg+PaQqUC9SRmAiSA9CCCYd4="
-    },
-    "ipaddr.js": {
-      "version": "0.1.2",
-      "resolved": "https://registry.npmjs.org/ipaddr.js/-/ipaddr.js-0.1.2.tgz",
-      "integrity": "sha1-ah/T2FT1ACllw017vNm0qNSwRn4="
-    },
-    "isarray": {
-      "version": "0.0.1",
-      "resolved": "https://registry.npmjs.org/isarray/-/isarray-0.0.1.tgz",
-      "integrity": "sha1-ihis/Kmo9Bd+Cav8YDiTmwXR7t8="
-    },
-    "keypress": {
-      "version": "0.1.0",
-      "resolved": "https://registry.npmjs.org/keypress/-/keypress-0.1.0.tgz",
-      "integrity": "sha1-SjGI1CkbZrT2XtuZ+AaqmuKTWSo="
+      "integrity": "sha512-ZGGi8GROK//ijm2gB33sUuN9TjN1tC/dvG4Bt4j6IWrVGpMmudUBCxx+Ir7qePsdREfkpQC4FL8W0jeSOsgv1w=="
     },
     "merge-descriptors": {
       "version": "0.0.2",
       "resolved": "https://registry.npmjs.org/merge-descriptors/-/merge-descriptors-0.0.2.tgz",
-      "integrity": "sha1-w2pSp4FDdRPFcnXzndnTF1FKyMc="
-    },
-    "method-override": {
-      "version": "2.0.2",
-      "resolved": "https://registry.npmjs.org/method-override/-/method-override-2.0.2.tgz",
-      "integrity": "sha1-AFMSeMeXiWQL8n6X4mo6Wh98ynM=",
-      "requires": {
-        "methods": "1.0.1",
-        "parseurl": "1.0.1",
-        "vary": "0.1.0"
-      }
+      "integrity": "sha512-dYBT4Ep+t/qnPeJcnMymmhTdd4g8/hn48ciaDqLAkfRf8abzLPS6Rb6EBdz5CZCL8tzZuI5ps9MhGQGxk+EuKg=="
     },
     "methods": {
-      "version": "1.0.1",
-      "resolved": "https://registry.npmjs.org/methods/-/methods-1.0.1.tgz",
-      "integrity": "sha1-dbyRlD3/19oDfPPusO1zoAN80Us="
+      "version": "0.1.0",
+      "resolved": "https://registry.npmjs.org/methods/-/methods-0.1.0.tgz",
+      "integrity": "sha512-N4cn4CbDqu7Fp3AT4z3AsO19calgczhsmCGzXLCiUOrWg9sjb1B+yKFKOrnnPGKKvjyJBmw+k6b3adFN2LbuBw=="
     },
     "mime": {
       "version": "1.2.11",
       "resolved": "https://registry.npmjs.org/mime/-/mime-1.2.11.tgz",
-      "integrity": "sha1-WCA+7Ybjpe8XrtK32evUfwpg3RA="
-    },
-    "mime-types": {
-      "version": "1.0.0",
-      "resolved": "https://registry.npmjs.org/mime-types/-/mime-types-1.0.0.tgz",
-      "integrity": "sha1-antKavLn2S+Xr+A/BHx4AejwAdI="
-    },
-    "minimist": {
-      "version": "0.0.8",
-      "resolved": "https://registry.npmjs.org/minimist/-/minimist-0.0.8.tgz",
-      "integrity": "sha1-hX/Kv8M5fSYluCKCYuhqp6ARsF0="
-    },
-    "mkdirp": {
-      "version": "0.5.0",
-      "resolved": "https://registry.npmjs.org/mkdirp/-/mkdirp-0.5.0.tgz",
-      "integrity": "sha1-HXMHam35hs2TROFecfzAWkyavxI=",
-      "requires": {
-        "minimist": "0.0.8"
-      }
-    },
-    "morgan": {
-      "version": "1.1.1",
-      "resolved": "https://registry.npmjs.org/morgan/-/morgan-1.1.1.tgz",
-      "integrity": "sha1-zeRdLoB+vMQ5dFhG6oA5LmkJgUY=",
-      "requires": {
-        "bytes": "1.0.0"
-      }
-    },
-    "ms": {
-      "version": "0.6.2",
-      "resolved": "https://registry.npmjs.org/ms/-/ms-0.6.2.tgz",
-      "integrity": "sha1-2JwhJMb9wTU9Zai3e/GqxLGTcIw="
-    },
-    "multiparty": {
-      "version": "3.2.8",
-      "resolved": "https://registry.npmjs.org/multiparty/-/multiparty-3.2.8.tgz",
-      "integrity": "sha1-veITAdrSlChuFVsrYHEMauBK5k8=",
-      "requires": {
-        "readable-stream": "~1.1.9",
-        "stream-counter": "~0.2.0"
-      }
+      "integrity": "sha512-Ysa2F/nqTNGHhhm9MV8ure4+Hc+Y8AWiqUdHxsO7xu8zc92ND9f3kpALHjaP026Ft17UfxrMt95c50PLUeynBw=="
     },
     "negotiator": {
-      "version": "0.4.6",
-      "resolved": "https://registry.npmjs.org/negotiator/-/negotiator-0.4.6.tgz",
-      "integrity": "sha1-9F+vn6gz7TylElDqmn3fxCZ6RLM="
-    },
-    "on-headers": {
-      "version": "0.0.0",
-      "resolved": "https://registry.npmjs.org/on-headers/-/on-headers-0.0.0.tgz",
-      "integrity": "sha1-7igX+DRDJXhc2cLfKyQrvBfK9MQ="
+      "version": "0.3.0",
+      "resolved": "https://registry.npmjs.org/negotiator/-/negotiator-0.3.0.tgz",
+      "integrity": "sha512-q9wF64uB31BDZQ44DWf+8gE7y8xSpBdREAsJfnBO2WX9ecsutfUO6S9uWEdixlDLOlWaqnlnFXXwZxUUmyLfgg=="
     },
     "parseurl": {
       "version": "1.0.1",
       "resolved": "https://registry.npmjs.org/parseurl/-/parseurl-1.0.1.tgz",
-      "integrity": "sha1-Llfc5u/dN8NRhwEDCUTCK/OIt7Q="
-    },
-    "pause": {
-      "version": "0.0.1",
-      "resolved": "https://registry.npmjs.org/pause/-/pause-0.0.1.tgz",
-      "integrity": "sha1-HUCLP9t2kjuVQ9lvtMnf1TXZy10="
+      "integrity": "sha512-6W9+0+9Ihayqwjgp4OaLLqZ3KDtqPY2PtUPz8YNiy4PamjJv+7x6J9GO93O9rUZOLgaanTPxsKTasxqKkO1iSw=="
     },
-    "proxy-addr": {
-      "version": "1.0.1",
-      "resolved": "https://registry.npmjs.org/proxy-addr/-/proxy-addr-1.0.1.tgz",
-      "integrity": "sha1-x8Vm1etOP61n7rnHfFVYzMObiKg=",
-      "requires": {
-        "ipaddr.js": "0.1.2"
-      }
+    "path-to-regexp": {
+      "version": "0.1.2",
+      "resolved": "https://registry.npmjs.org/path-to-regexp/-/path-to-regexp-0.1.2.tgz",
+      "integrity": "sha512-BZU7Qr+qKkXJX9UBypMNikdZ85cQSjtfMhUykJFLJn4SNF0jhEbb9nMRpnNdA76ESryY8JpMA4k6XKdz3JS1pw=="
     },
     "qs": {
       "version": "0.6.6",
       "resolved": "https://registry.npmjs.org/qs/-/qs-0.6.6.tgz",
-      "integrity": "sha1-bgFQmP9RlouKPIGQAdXyyJvEsQc="
+      "integrity": "sha512-kN+yNdAf29Jgp+AYHUmC7X4QdJPR8czuMWLNLc0aRxkQ7tB3vJQEONKKT9ou/rW7EbqVec11srC9q9BiVbcnHA=="
     },
     "range-parser": {
       "version": "1.0.0",
       "resolved": "https://registry.npmjs.org/range-parser/-/range-parser-1.0.0.tgz",
-      "integrity": "sha1-pLJkz+C+XONqvjdlrJwqJIdG28A="
-    },
-    "raw-body": {
-      "version": "1.1.6",
-      "resolved": "https://registry.npmjs.org/raw-body/-/raw-body-1.1.6.tgz",
-      "integrity": "sha1-mOnfmn4t+ZSTG3zbSyprlpSnTwI=",
-      "requires": {
-        "bytes": "1"
-      }
-    },
-    "readable-stream": {
-      "version": "1.1.14",
-      "resolved": "https://registry.npmjs.org/readable-stream/-/readable-stream-1.1.14.tgz",
-      "integrity": "sha1-fPTFTvZI44EwhMY23SB54WbAgdk=",
-      "requires": {
-        "core-util-is": "~1.0.0",
-        "inherits": "~2.0.1",
-        "isarray": "0.0.1",
-        "string_decoder": "~0.10.x"
-      }
-    },
-    "response-time": {
-      "version": "2.0.0",
-      "resolved": "https://registry.npmjs.org/response-time/-/response-time-2.0.0.tgz",
-      "integrity": "sha1-Zcs5/VDeL0/9vdKF8YVZZr1vyzY=",
-      "requires": {
-        "on-headers": "0.0.0"
-      }
-    },
-    "rndm": {
-      "version": "1.2.0",
-      "resolved": "https://registry.npmjs.org/rndm/-/rndm-1.2.0.tgz",
-      "integrity": "sha1-8z/pz7Urv9UgqhgyO8ZdsRCht2w="
-    },
-    "scmp": {
-      "version": "0.0.3",
-      "resolved": "https://registry.npmjs.org/scmp/-/scmp-0.0.3.tgz",
-      "integrity": "sha1-NkjfLXKUZB5/eGc//CloHZutkHM="
+      "integrity": "sha512-wOH5LIH2ZHo0P7/bwkR+aNbJ+kv3CHVX4B8qs9GqbtY29fi1bGPV5xczrutN20G+Z4XhRqRMTW3q0S4iyJJPfw=="
     },
     "send": {
-      "version": "0.4.3",
-      "resolved": "https://registry.npmjs.org/send/-/send-0.4.3.tgz",
-      "integrity": "sha1-lieyO3cH+/Y3ODHKxXkzMLWUtkA=",
+      "version": "0.2.0",
+      "resolved": "https://registry.npmjs.org/send/-/send-0.2.0.tgz",
+      "integrity": "sha512-CR/kej5a8BChsMJwpmAtqOgdGI3nemoRaPcoXj/choHibvaOfkYcohcAbd9aEG8MhL9CfRH3KlUb+oHZsdNmTg==",
       "requires": {
-        "debug": "1.0.2",
-        "escape-html": "1.0.1",
-        "finished": "1.2.2",
-        "fresh": "0.2.2",
-        "mime": "1.2.11",
+        "debug": "*",
+        "fresh": "~0.2.1",
+        "mime": "~1.2.9",
         "range-parser": "~1.0.0"
       }
     },
-    "serve-favicon": {
-      "version": "2.0.1",
-      "resolved": "https://registry.npmjs.org/serve-favicon/-/serve-favicon-2.0.1.tgz",
-      "integrity": "sha1-SCaXXZ8XPKOkFY6WmBYfdd7Hr+w=",
-      "requires": {
-        "fresh": "0.2.2"
-      }
-    },
-    "serve-index": {
-      "version": "1.1.1",
-      "resolved": "https://registry.npmjs.org/serve-index/-/serve-index-1.1.1.tgz",
-      "integrity": "sha1-6trdj9B0E63RejAcZX9S/AXxnS8=",
-      "requires": {
-        "accepts": "1.0.3",
-        "batch": "0.5.0"
-      }
-    },
     "serve-static": {
-      "version": "1.2.3",
-      "resolved": "https://registry.npmjs.org/serve-static/-/serve-static-1.2.3.tgz",
-      "integrity": "sha1-k87Lw0Dweey4WJKB0dwxwmwM0Vg=",
-      "requires": {
-        "escape-html": "1.0.1",
-        "parseurl": "1.0.1",
-        "send": "0.4.3"
-      }
-    },
-    "stream-counter": {
-      "version": "0.2.0",
-      "resolved": "https://registry.npmjs.org/stream-counter/-/stream-counter-0.2.0.tgz",
-      "integrity": "sha1-3tJmVWMZyLDiIoErnPOyb6fZR94=",
+      "version": "1.0.1",
+      "resolved": "https://registry.npmjs.org/serve-static/-/serve-static-1.0.1.tgz",
+      "integrity": "sha512-bo0TWkZYykHO97QfRgoaXQQBBmyheAb3MeYFzufTXDHUdaTwJXFa8NejuKbt7UdovoUzB8lJn4gHGQSEC+R4Nw==",
       "requires": {
-        "readable-stream": "~1.1.8"
+        "send": "0.1.4"
+      },
+      "dependencies": {
+        "fresh": {
+          "version": "0.2.0",
+          "resolved": "https://registry.npmjs.org/fresh/-/fresh-0.2.0.tgz",
+          "integrity": "sha512-ckGdAuSRr1wBmnq7CsW7eU37DBwQxHx3vW8foJUIrF56rkOy8Osm6Fe8KSwemwyKejivKki7jVBgpBpBJexmrw=="
+        },
+        "range-parser": {
+          "version": "0.0.4",
+          "resolved": "https://registry.npmjs.org/range-parser/-/range-parser-0.0.4.tgz",
+          "integrity": "sha512-okJVEq9DbZyg+5lD8pr6ooQmeA0uu8DYIyAU7VK1WUUK7hctI1yw2ZHhKiKjB6RXaDrYRmTR4SsIHkyiQpaLMA=="
+        },
+        "send": {
+          "version": "0.1.4",
+          "resolved": "https://registry.npmjs.org/send/-/send-0.1.4.tgz",
+          "integrity": "sha512-NJnIaB29/EcNqkNneUAm16oEVnzM2LeNBc/hmgKuExv2k9pCZQEw8SHJeCdjqesHJTyWAr7x5HjeOmRFS4BoFw==",
+          "requires": {
+            "debug": "*",
+            "fresh": "0.2.0",
+            "mime": "~1.2.9",
+            "range-parser": "0.0.4"
+          }
+        }
       }
     },
-    "string_decoder": {
-      "version": "0.10.31",
-      "resolved": "https://registry.npmjs.org/string_decoder/-/string_decoder-0.10.31.tgz",
-      "integrity": "sha1-YuIDvEF2bGwoyfyEMB2rHFMQ+pQ="
-    },
     "type-is": {
-      "version": "1.2.1",
-      "resolved": "https://registry.npmjs.org/type-is/-/type-is-1.2.1.tgz",
-      "integrity": "sha1-c9RICApPHdGKyx7v/2KWjFtdVKI=",
+      "version": "1.0.0",
+      "resolved": "https://registry.npmjs.org/type-is/-/type-is-1.0.0.tgz",
+      "integrity": "sha512-CLdmAJgLeMtSPcTFX3eDdC1+ysfYoVdcYjMtuDtg23/fhHXoP5quNsvobr05ZNlG7og+oHQ4bosEzJX++DlIzQ==",
       "requires": {
-        "mime-types": "1.0.0"
+        "mime": "~1.2.11"
       }
     },
-    "uid2": {
-      "version": "0.0.3",
-      "resolved": "https://registry.npmjs.org/uid2/-/uid2-0.0.3.tgz",
-      "integrity": "sha1-SDEm4Rd03y9xuLY53NeZw3YWK4I="
-    },
     "utils-merge": {
       "version": "1.0.0",
       "resolved": "https://registry.npmjs.org/utils-merge/-/utils-merge-1.0.0.tgz",
-      "integrity": "sha1-ApT7kiu5N1FTVBxPcJYjHyh8ivg="
-    },
-    "vary": {
-      "version": "0.1.0",
-      "resolved": "https://registry.npmjs.org/vary/-/vary-0.1.0.tgz",
-      "integrity": "sha1-3wlFiZ6TwMxb0YzIMh2dIedPYXY="
-    },
-    "vhost": {
-      "version": "1.0.0",
-      "resolved": "https://registry.npmjs.org/vhost/-/vhost-1.0.0.tgz",
-      "integrity": "sha1-ZUUT8omk+Jiqt0W71jPkAYDJxMA="
+      "integrity": "sha512-HwU9SLQEtyo+0uoKXd1nkLqigUWLB+QuNQR4OcmB73eWqksM5ovuqcycks2x043W8XVb75rG1HQ0h93TMXkzQQ=="
     }
   }
 }
diff --git a/package.json b/package.json
index 4c2ca6d..a73f1dc 100644
--- a/package.json
+++ b/package.json
@@ -11,6 +11,6 @@
   "license": "ISC",
   "dependencies": {
     "@snyk/dummy-private-package": "^2.0.0",
-    "express": "^3.10.5"
+    "express": "^4.0.0"
   }
 }