diff --git a/.travis.yml b/.travis.yml
index ce6804f..756c47b 100644
--- a/.travis.yml
+++ b/.travis.yml
@@ -1,6 +1,6 @@
 language: node_js
 node_js:
-  - 6.11.1
+  - 8.9.4
 sudo: false
 addons:
   apt:
diff --git a/lib/server.js b/lib/server.js
index e4d45b1..f38e063 100644
--- a/lib/server.js
+++ b/lib/server.js
@@ -27,7 +27,7 @@ function asset_request(req, callback) {
       fs.readFile(filename, function(err, data) {
         callback({
           body: data,
-          type: mime.lookup(filename),
+          type: mime.getType(filename),
           err: err,
         });
       });
diff --git a/package-lock.json b/package-lock.json
new file mode 100644
index 0000000..a0f66c7
--- /dev/null
+++ b/package-lock.json
@@ -0,0 +1,1474 @@
+{
+  "name": "crafatar",
+  "version": "2.0.0",
+  "lockfileVersion": 1,
+  "requires": true,
+  "dependencies": {
+    "abbrev": {
+      "version": "1.0.9",
+      "resolved": "https://registry.npmjs.org/abbrev/-/abbrev-1.0.9.tgz",
+      "integrity": "sha1-kbR5JYinc4wl813W9jdSovh3YTU=",
+      "dev": true
+    },
+    "ajv": {
+      "version": "5.5.2",
+      "resolved": "https://registry.npmjs.org/ajv/-/ajv-5.5.2.tgz",
+      "integrity": "sha1-c7Xuyj+rZT49P5Qis0GtQiBdyWU=",
+      "requires": {
+        "co": "4.6.0",
+        "fast-deep-equal": "1.0.0",
+        "fast-json-stable-stringify": "2.0.0",
+        "json-schema-traverse": "0.3.1"
+      }
+    },
+    "align-text": {
+      "version": "0.1.4",
+      "resolved": "https://registry.npmjs.org/align-text/-/align-text-0.1.4.tgz",
+      "integrity": "sha1-DNkKVhCT810KmSVsIrcGlDP60Rc=",
+      "dev": true,
+      "requires": {
+        "kind-of": "3.2.2",
+        "longest": "1.0.1",
+        "repeat-string": "1.6.1"
+      }
+    },
+    "amdefine": {
+      "version": "1.0.1",
+      "resolved": "https://registry.npmjs.org/amdefine/-/amdefine-1.0.1.tgz",
+      "integrity": "sha1-SlKCrBZHKek2Gbz9OtFR+BfOkfU=",
+      "dev": true
+    },
+    "argparse": {
+      "version": "1.0.9",
+      "resolved": "https://registry.npmjs.org/argparse/-/argparse-1.0.9.tgz",
+      "integrity": "sha1-c9g7wmP4bpf4zE9rrhsOkKfSLIY=",
+      "dev": true,
+      "requires": {
+        "sprintf-js": "1.0.3"
+      }
+    },
+    "asn1": {
+      "version": "0.2.3",
+      "resolved": "https://registry.npmjs.org/asn1/-/asn1-0.2.3.tgz",
+      "integrity": "sha1-2sh4dxPJlmhJ/IGAd36+nB3fO4Y="
+    },
+    "assert-plus": {
+      "version": "1.0.0",
+      "resolved": "https://registry.npmjs.org/assert-plus/-/assert-plus-1.0.0.tgz",
+      "integrity": "sha1-8S4PPF13sLHN2RRpQuTpbB5N1SU="
+    },
+    "async": {
+      "version": "2.5.0",
+      "resolved": "https://registry.npmjs.org/async/-/async-2.5.0.tgz",
+      "integrity": "sha1-hDGQ/WtzV6C54clW7d3V7IRitU0=",
+      "requires": {
+        "lodash": "4.17.4"
+      }
+    },
+    "asynckit": {
+      "version": "0.4.0",
+      "resolved": "https://registry.npmjs.org/asynckit/-/asynckit-0.4.0.tgz",
+      "integrity": "sha1-x57Zf380y48robyXkLzDZkdLS3k="
+    },
+    "aws-sign2": {
+      "version": "0.7.0",
+      "resolved": "https://registry.npmjs.org/aws-sign2/-/aws-sign2-0.7.0.tgz",
+      "integrity": "sha1-tG6JCTSpWR8tL2+G1+ap8bP+dqg="
+    },
+    "aws4": {
+      "version": "1.6.0",
+      "resolved": "https://registry.npmjs.org/aws4/-/aws4-1.6.0.tgz",
+      "integrity": "sha1-g+9cqGCysy5KDe7e6MdxudtXRx4="
+    },
+    "balanced-match": {
+      "version": "1.0.0",
+      "resolved": "https://registry.npmjs.org/balanced-match/-/balanced-match-1.0.0.tgz",
+      "integrity": "sha1-ibTRmasr7kneFk6gK4nORi1xt2c=",
+      "dev": true
+    },
+    "bcrypt-pbkdf": {
+      "version": "1.0.1",
+      "resolved": "https://registry.npmjs.org/bcrypt-pbkdf/-/bcrypt-pbkdf-1.0.1.tgz",
+      "integrity": "sha1-Y7xdy2EzG5K8Bf1SiVPDNGKgb40=",
+      "optional": true,
+      "requires": {
+        "tweetnacl": "0.14.5"
+      }
+    },
+    "bindings": {
+      "version": "1.2.1",
+      "resolved": "https://registry.npmjs.org/bindings/-/bindings-1.2.1.tgz",
+      "integrity": "sha1-FK1hE4EtLTfXLme0ystLtyZQXxE="
+    },
+    "bl": {
+      "version": "0.9.5",
+      "resolved": "https://registry.npmjs.org/bl/-/bl-0.9.5.tgz",
+      "integrity": "sha1-wGt5evCF6gC8Unr8jvzxHeIjIFQ=",
+      "dev": true,
+      "requires": {
+        "readable-stream": "1.0.34"
+      }
+    },
+    "boom": {
+      "version": "4.3.1",
+      "resolved": "https://registry.npmjs.org/boom/-/boom-4.3.1.tgz",
+      "integrity": "sha1-T4owBctKfjiJ90kDD9JbluAdLjE=",
+      "requires": {
+        "hoek": "4.2.1"
+      }
+    },
+    "brace-expansion": {
+      "version": "1.1.8",
+      "resolved": "https://registry.npmjs.org/brace-expansion/-/brace-expansion-1.1.8.tgz",
+      "integrity": "sha1-wHshHHyVLsH479Uad+8NHTmQopI=",
+      "dev": true,
+      "requires": {
+        "balanced-match": "1.0.0",
+        "concat-map": "0.0.1"
+      }
+    },
+    "browser-stdout": {
+      "version": "1.3.0",
+      "resolved": "https://registry.npmjs.org/browser-stdout/-/browser-stdout-1.3.0.tgz",
+      "integrity": "sha1-81HTKWnTL6XXpVZxVCY9korjvR8=",
+      "dev": true
+    },
+    "camelcase": {
+      "version": "1.2.1",
+      "resolved": "https://registry.npmjs.org/camelcase/-/camelcase-1.2.1.tgz",
+      "integrity": "sha1-m7UwTS4LVmmLLHWLCKPqqdqlijk=",
+      "dev": true,
+      "optional": true
+    },
+    "canvas": {
+      "version": "1.6.9",
+      "resolved": "https://registry.npmjs.org/canvas/-/canvas-1.6.9.tgz",
+      "integrity": "sha1-4/lc7HsWvy1vP8clwC2UDTJY9ps=",
+      "requires": {
+        "nan": "2.6.2"
+      }
+    },
+    "caseless": {
+      "version": "0.12.0",
+      "resolved": "https://registry.npmjs.org/caseless/-/caseless-0.12.0.tgz",
+      "integrity": "sha1-G2gcIf+EAzyCZUMJBolCDRhxUdw="
+    },
+    "center-align": {
+      "version": "0.1.3",
+      "resolved": "https://registry.npmjs.org/center-align/-/center-align-0.1.3.tgz",
+      "integrity": "sha1-qg0yYptu6XIgBBHL1EYckHvCt60=",
+      "dev": true,
+      "optional": true,
+      "requires": {
+        "align-text": "0.1.4",
+        "lazy-cache": "1.0.4"
+      }
+    },
+    "cliui": {
+      "version": "2.1.0",
+      "resolved": "https://registry.npmjs.org/cliui/-/cliui-2.1.0.tgz",
+      "integrity": "sha1-S0dXYP+AJkx2LDoXGQMukcf+oNE=",
+      "dev": true,
+      "optional": true,
+      "requires": {
+        "center-align": "0.1.3",
+        "right-align": "0.1.3",
+        "wordwrap": "0.0.2"
+      },
+      "dependencies": {
+        "wordwrap": {
+          "version": "0.0.2",
+          "resolved": "https://registry.npmjs.org/wordwrap/-/wordwrap-0.0.2.tgz",
+          "integrity": "sha1-t5Zpu0LstAn4PVg8rVLKF+qhZD8=",
+          "dev": true,
+          "optional": true
+        }
+      }
+    },
+    "co": {
+      "version": "4.6.0",
+      "resolved": "https://registry.npmjs.org/co/-/co-4.6.0.tgz",
+      "integrity": "sha1-bqa989hTrlTMuOR7+gvz+QMfsYQ="
+    },
+    "codecov.io": {
+      "version": "0.0.1",
+      "resolved": "https://registry.npmjs.org/codecov.io/-/codecov.io-0.0.1.tgz",
+      "integrity": "sha1-JeorCV4enqEYcr36WEIRgTDfeLE=",
+      "dev": true,
+      "requires": {
+        "request": "2.42.0",
+        "urlgrey": "0.4.0"
+      },
+      "dependencies": {
+        "asn1": {
+          "version": "0.1.11",
+          "resolved": "https://registry.npmjs.org/asn1/-/asn1-0.1.11.tgz",
+          "integrity": "sha1-VZvhg3bQik7E2+gId9J4GGObLfc=",
+          "dev": true,
+          "optional": true
+        },
+        "assert-plus": {
+          "version": "0.1.5",
+          "resolved": "https://registry.npmjs.org/assert-plus/-/assert-plus-0.1.5.tgz",
+          "integrity": "sha1-7nQAlBMALYTOxyGcasgRgS5yMWA=",
+          "dev": true,
+          "optional": true
+        },
+        "async": {
+          "version": "0.9.2",
+          "resolved": "https://registry.npmjs.org/async/-/async-0.9.2.tgz",
+          "integrity": "sha1-rqdNXmHB+JlhO/ZL2mbUx48v0X0=",
+          "dev": true,
+          "optional": true
+        },
+        "aws-sign2": {
+          "version": "0.5.0",
+          "resolved": "https://registry.npmjs.org/aws-sign2/-/aws-sign2-0.5.0.tgz",
+          "integrity": "sha1-xXED96F/wDfwLXwuZLYC6iI/fWM=",
+          "dev": true,
+          "optional": true
+        },
+        "boom": {
+          "version": "0.4.2",
+          "resolved": "https://registry.npmjs.org/boom/-/boom-0.4.2.tgz",
+          "integrity": "sha1-emNune1O/O+xnO9JR6PGffrukRs=",
+          "dev": true,
+          "requires": {
+            "hoek": "0.9.1"
+          }
+        },
+        "caseless": {
+          "version": "0.6.0",
+          "resolved": "https://registry.npmjs.org/caseless/-/caseless-0.6.0.tgz",
+          "integrity": "sha1-gWfBq4OX+1u5X5bSjlqBxQ8kesQ=",
+          "dev": true
+        },
+        "combined-stream": {
+          "version": "0.0.7",
+          "resolved": "https://registry.npmjs.org/combined-stream/-/combined-stream-0.0.7.tgz",
+          "integrity": "sha1-ATfmV7qlp1QcV6w3rF/AfXO03B8=",
+          "dev": true,
+          "optional": true,
+          "requires": {
+            "delayed-stream": "0.0.5"
+          }
+        },
+        "cryptiles": {
+          "version": "0.2.2",
+          "resolved": "https://registry.npmjs.org/cryptiles/-/cryptiles-0.2.2.tgz",
+          "integrity": "sha1-7ZH/HxetE9N0gohZT4pIoNJvMlw=",
+          "dev": true,
+          "optional": true,
+          "requires": {
+            "boom": "0.4.2"
+          }
+        },
+        "delayed-stream": {
+          "version": "0.0.5",
+          "resolved": "https://registry.npmjs.org/delayed-stream/-/delayed-stream-0.0.5.tgz",
+          "integrity": "sha1-1LH0OpPoKW3+AmlPRoC8N6MTxz8=",
+          "dev": true,
+          "optional": true
+        },
+        "forever-agent": {
+          "version": "0.5.2",
+          "resolved": "https://registry.npmjs.org/forever-agent/-/forever-agent-0.5.2.tgz",
+          "integrity": "sha1-bQ4JxJIflKJ/Y9O0nF/v8epMUTA=",
+          "dev": true
+        },
+        "form-data": {
+          "version": "0.1.4",
+          "resolved": "https://registry.npmjs.org/form-data/-/form-data-0.1.4.tgz",
+          "integrity": "sha1-kavXiKupcCsaq/qLwBAxoqyeOxI=",
+          "dev": true,
+          "optional": true,
+          "requires": {
+            "async": "0.9.2",
+            "combined-stream": "0.0.7",
+            "mime": "1.2.11"
+          }
+        },
+        "hawk": {
+          "version": "1.1.1",
+          "resolved": "https://registry.npmjs.org/hawk/-/hawk-1.1.1.tgz",
+          "integrity": "sha1-h81JH5tG5OKurKM1QWdmiF0tHtk=",
+          "dev": true,
+          "optional": true,
+          "requires": {
+            "boom": "0.4.2",
+            "cryptiles": "0.2.2",
+            "hoek": "0.9.1",
+            "sntp": "0.2.4"
+          }
+        },
+        "hoek": {
+          "version": "0.9.1",
+          "resolved": "https://registry.npmjs.org/hoek/-/hoek-0.9.1.tgz",
+          "integrity": "sha1-PTIkYrrfB3Fup+uFuviAec3c5QU=",
+          "dev": true
+        },
+        "http-signature": {
+          "version": "0.10.1",
+          "resolved": "https://registry.npmjs.org/http-signature/-/http-signature-0.10.1.tgz",
+          "integrity": "sha1-T72sEyVZqoMjEh5UB3nAoBKyfmY=",
+          "dev": true,
+          "optional": true,
+          "requires": {
+            "asn1": "0.1.11",
+            "assert-plus": "0.1.5",
+            "ctype": "0.5.3"
+          }
+        },
+        "mime": {
+          "version": "1.2.11",
+          "resolved": "https://registry.npmjs.org/mime/-/mime-1.2.11.tgz",
+          "integrity": "sha1-WCA+7Ybjpe8XrtK32evUfwpg3RA=",
+          "dev": true,
+          "optional": true
+        },
+        "mime-types": {
+          "version": "1.0.2",
+          "resolved": "https://registry.npmjs.org/mime-types/-/mime-types-1.0.2.tgz",
+          "integrity": "sha1-mVrhOSq4r/y/yyZB3QVOlDwNXc4=",
+          "dev": true
+        },
+        "node-uuid": {
+          "version": "1.4.8",
+          "resolved": "https://registry.npmjs.org/node-uuid/-/node-uuid-1.4.8.tgz",
+          "integrity": "sha1-sEDrCSOWivq/jTL7HxfxFn/auQc=",
+          "dev": true
+        },
+        "oauth-sign": {
+          "version": "0.4.0",
+          "resolved": "https://registry.npmjs.org/oauth-sign/-/oauth-sign-0.4.0.tgz",
+          "integrity": "sha1-8ilW8x6nFRqCHl8vsywRPK2Ln2k=",
+          "dev": true,
+          "optional": true
+        },
+        "qs": {
+          "version": "1.2.2",
+          "resolved": "https://registry.npmjs.org/qs/-/qs-1.2.2.tgz",
+          "integrity": "sha1-GbV/8k3CqZzh+L32r82ln472H4g=",
+          "dev": true
+        },
+        "request": {
+          "version": "2.42.0",
+          "resolved": "https://registry.npmjs.org/request/-/request-2.42.0.tgz",
+          "integrity": "sha1-VyvQFIk4VkBArHqxSLlkI6BjMEo=",
+          "dev": true,
+          "requires": {
+            "aws-sign2": "0.5.0",
+            "bl": "0.9.5",
+            "caseless": "0.6.0",
+            "forever-agent": "0.5.2",
+            "form-data": "0.1.4",
+            "hawk": "1.1.1",
+            "http-signature": "0.10.1",
+            "json-stringify-safe": "5.0.1",
+            "mime-types": "1.0.2",
+            "node-uuid": "1.4.8",
+            "oauth-sign": "0.4.0",
+            "qs": "1.2.2",
+            "stringstream": "0.0.5",
+            "tough-cookie": "2.3.3",
+            "tunnel-agent": "0.4.3"
+          }
+        },
+        "sntp": {
+          "version": "0.2.4",
+          "resolved": "https://registry.npmjs.org/sntp/-/sntp-0.2.4.tgz",
+          "integrity": "sha1-+4hfGLDzqtGJ+CSGJTa87ux1CQA=",
+          "dev": true,
+          "optional": true,
+          "requires": {
+            "hoek": "0.9.1"
+          }
+        },
+        "tunnel-agent": {
+          "version": "0.4.3",
+          "resolved": "https://registry.npmjs.org/tunnel-agent/-/tunnel-agent-0.4.3.tgz",
+          "integrity": "sha1-Y3PbdpCf5XDgjXNYM2Xtgop07us=",
+          "dev": true
+        }
+      }
+    },
+    "combined-stream": {
+      "version": "1.0.6",
+      "resolved": "https://registry.npmjs.org/combined-stream/-/combined-stream-1.0.6.tgz",
+      "integrity": "sha1-cj599ugBrFYTETp+RFqbactjKBg=",
+      "requires": {
+        "delayed-stream": "1.0.0"
+      }
+    },
+    "commander": {
+      "version": "2.11.0",
+      "resolved": "https://registry.npmjs.org/commander/-/commander-2.11.0.tgz",
+      "integrity": "sha512-b0553uYA5YAEGgyYIGYROzKQ7X5RAqedkfjiZxwi0kL1g3bOaBNNZfYkzt/CL0umgD5wc9Jec2FbB98CjkMRvQ==",
+      "dev": true
+    },
+    "concat-map": {
+      "version": "0.0.1",
+      "resolved": "https://registry.npmjs.org/concat-map/-/concat-map-0.0.1.tgz",
+      "integrity": "sha1-2Klr13/Wjfd5OnMDajug1UBdR3s=",
+      "dev": true
+    },
+    "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="
+    },
+    "coveralls": {
+      "version": "3.0.0",
+      "resolved": "https://registry.npmjs.org/coveralls/-/coveralls-3.0.0.tgz",
+      "integrity": "sha512-ZppXR9y5PraUOrf/DzHJY6gzNUhXYE3b9D43xEXs4QYZ7/Oe0Gy0CS+IPKWFfvQFXB3RG9QduaQUFehzSpGAFw==",
+      "dev": true,
+      "requires": {
+        "js-yaml": "3.6.1",
+        "lcov-parse": "0.0.10",
+        "log-driver": "1.2.6",
+        "minimist": "1.2.0",
+        "request": "2.83.0"
+      }
+    },
+    "crc": {
+      "version": "3.5.0",
+      "resolved": "https://registry.npmjs.org/crc/-/crc-3.5.0.tgz",
+      "integrity": "sha1-mLi6fUiWZbo5efWbITgTdBAaGWQ="
+    },
+    "cryptiles": {
+      "version": "3.1.2",
+      "resolved": "https://registry.npmjs.org/cryptiles/-/cryptiles-3.1.2.tgz",
+      "integrity": "sha1-qJ+7Ig9c4l7FboxKqKT9e1sNKf4=",
+      "requires": {
+        "boom": "5.2.0"
+      },
+      "dependencies": {
+        "boom": {
+          "version": "5.2.0",
+          "resolved": "https://registry.npmjs.org/boom/-/boom-5.2.0.tgz",
+          "integrity": "sha512-Z5BTk6ZRe4tXXQlkqftmsAUANpXmuwlsF5Oov8ThoMbQRzdGTA1ngYRW160GexgOgjsFOKJz0LYhoNi+2AMBUw==",
+          "requires": {
+            "hoek": "4.2.1"
+          }
+        }
+      }
+    },
+    "ctype": {
+      "version": "0.5.3",
+      "resolved": "https://registry.npmjs.org/ctype/-/ctype-0.5.3.tgz",
+      "integrity": "sha1-gsGMJGH3QRTvFsE1IkrQuRRMoS8=",
+      "dev": true,
+      "optional": true
+    },
+    "dashdash": {
+      "version": "1.14.1",
+      "resolved": "https://registry.npmjs.org/dashdash/-/dashdash-1.14.1.tgz",
+      "integrity": "sha1-hTz6D3y+L+1d4gMmuN1YEDX24vA=",
+      "requires": {
+        "assert-plus": "1.0.0"
+      }
+    },
+    "debug": {
+      "version": "3.1.0",
+      "resolved": "https://registry.npmjs.org/debug/-/debug-3.1.0.tgz",
+      "integrity": "sha512-OX8XqP7/1a9cqkxYw2yXss15f26NKWBpDXQd0/uK/KPqdQhxbPa994hnzjcE2VqQpDslf55723cKPUOGSmMY3g==",
+      "dev": true,
+      "requires": {
+        "ms": "2.0.0"
+      }
+    },
+    "decamelize": {
+      "version": "1.2.0",
+      "resolved": "https://registry.npmjs.org/decamelize/-/decamelize-1.2.0.tgz",
+      "integrity": "sha1-9lNNFRSCabIDUue+4m9QH5oZEpA=",
+      "dev": true,
+      "optional": true
+    },
+    "decree": {
+      "version": "0.0.6",
+      "resolved": "https://registry.npmjs.org/decree/-/decree-0.0.6.tgz",
+      "integrity": "sha1-R+/vDtYA1ybqhkA0XcSWHQ+lTN0=",
+      "requires": {
+        "lodash-node": "2.4.1"
+      }
+    },
+    "deep-equal": {
+      "version": "0.1.2",
+      "resolved": "https://registry.npmjs.org/deep-equal/-/deep-equal-0.1.2.tgz",
+      "integrity": "sha1-skbCuApXCkfBG+HZvRBw7IeLh84=",
+      "dev": true
+    },
+    "deep-is": {
+      "version": "0.1.3",
+      "resolved": "https://registry.npmjs.org/deep-is/-/deep-is-0.1.3.tgz",
+      "integrity": "sha1-s2nW+128E+7PUk+RsHD+7cNXzzQ=",
+      "dev": true
+    },
+    "defined": {
+      "version": "0.0.0",
+      "resolved": "https://registry.npmjs.org/defined/-/defined-0.0.0.tgz",
+      "integrity": "sha1-817qfXBekzuvE7LwOz+D2SFAOz4=",
+      "dev": true
+    },
+    "delayed-stream": {
+      "version": "1.0.0",
+      "resolved": "https://registry.npmjs.org/delayed-stream/-/delayed-stream-1.0.0.tgz",
+      "integrity": "sha1-3zrhmayt+31ECqrgsp4icrJOxhk="
+    },
+    "diff": {
+      "version": "3.3.1",
+      "resolved": "https://registry.npmjs.org/diff/-/diff-3.3.1.tgz",
+      "integrity": "sha512-MKPHZDMB0o6yHyDryUOScqZibp914ksXwAMYMTHj6KO8UeKsRYNJD3oNCKjTqZon+V488P7N/HzXF8t7ZR95ww==",
+      "dev": true
+    },
+    "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="
+    },
+    "duplexer": {
+      "version": "0.1.1",
+      "resolved": "https://registry.npmjs.org/duplexer/-/duplexer-0.1.1.tgz",
+      "integrity": "sha1-rOb/gIwc5mtX0ev5eXessCM0z8E=",
+      "dev": true
+    },
+    "ecc-jsbn": {
+      "version": "0.1.1",
+      "resolved": "https://registry.npmjs.org/ecc-jsbn/-/ecc-jsbn-0.1.1.tgz",
+      "integrity": "sha1-D8c6ntXw1Tw4GTOYUj735UN3dQU=",
+      "optional": true,
+      "requires": {
+        "jsbn": "0.1.1"
+      }
+    },
+    "ejs": {
+      "version": "2.5.7",
+      "resolved": "https://registry.npmjs.org/ejs/-/ejs-2.5.7.tgz",
+      "integrity": "sha1-zIcsFoiArjxxiXYv1f/ACJbJUYo="
+    },
+    "escape-string-regexp": {
+      "version": "1.0.5",
+      "resolved": "https://registry.npmjs.org/escape-string-regexp/-/escape-string-regexp-1.0.5.tgz",
+      "integrity": "sha1-G2HAViGQqN/2rjuyzwIAyhMLhtQ=",
+      "dev": true
+    },
+    "escodegen": {
+      "version": "1.8.1",
+      "resolved": "https://registry.npmjs.org/escodegen/-/escodegen-1.8.1.tgz",
+      "integrity": "sha1-WltTr0aTEQvrsIZ6o0MN07cKEBg=",
+      "dev": true,
+      "requires": {
+        "esprima": "2.7.3",
+        "estraverse": "1.9.3",
+        "esutils": "2.0.2",
+        "optionator": "0.8.2",
+        "source-map": "0.2.0"
+      }
+    },
+    "esprima": {
+      "version": "2.7.3",
+      "resolved": "https://registry.npmjs.org/esprima/-/esprima-2.7.3.tgz",
+      "integrity": "sha1-luO3DVd59q1JzQMmc9HDEnZ7pYE=",
+      "dev": true
+    },
+    "estraverse": {
+      "version": "1.9.3",
+      "resolved": "https://registry.npmjs.org/estraverse/-/estraverse-1.9.3.tgz",
+      "integrity": "sha1-r2fy3JIlgkFZUJJgkaQAXSnJu0Q=",
+      "dev": true
+    },
+    "esutils": {
+      "version": "2.0.2",
+      "resolved": "https://registry.npmjs.org/esutils/-/esutils-2.0.2.tgz",
+      "integrity": "sha1-Cr9PHKpbyx96nYrMbepPqqBLrJs=",
+      "dev": true
+    },
+    "extend": {
+      "version": "3.0.1",
+      "resolved": "https://registry.npmjs.org/extend/-/extend-3.0.1.tgz",
+      "integrity": "sha1-p1Xqe8Gt/MWjHOfnYtuq3F5jZEQ="
+    },
+    "extsprintf": {
+      "version": "1.3.0",
+      "resolved": "https://registry.npmjs.org/extsprintf/-/extsprintf-1.3.0.tgz",
+      "integrity": "sha1-lpGEQOMEGnpBT4xS48V06zw+HgU="
+    },
+    "fast-deep-equal": {
+      "version": "1.0.0",
+      "resolved": "https://registry.npmjs.org/fast-deep-equal/-/fast-deep-equal-1.0.0.tgz",
+      "integrity": "sha1-liVqO8l1WV6zbYLpkp0GDYk0Of8="
+    },
+    "fast-json-stable-stringify": {
+      "version": "2.0.0",
+      "resolved": "https://registry.npmjs.org/fast-json-stable-stringify/-/fast-json-stable-stringify-2.0.0.tgz",
+      "integrity": "sha1-1RQsDK7msRifh9OnYREGT4bIu/I="
+    },
+    "fast-levenshtein": {
+      "version": "2.0.6",
+      "resolved": "https://registry.npmjs.org/fast-levenshtein/-/fast-levenshtein-2.0.6.tgz",
+      "integrity": "sha1-PYpcZog6FqMMqGQ+hR8Zuqd5eRc=",
+      "dev": true
+    },
+    "forever-agent": {
+      "version": "0.6.1",
+      "resolved": "https://registry.npmjs.org/forever-agent/-/forever-agent-0.6.1.tgz",
+      "integrity": "sha1-+8cfDEGt6zf5bFd60e1C2P2sypE="
+    },
+    "form-data": {
+      "version": "2.3.2",
+      "resolved": "https://registry.npmjs.org/form-data/-/form-data-2.3.2.tgz",
+      "integrity": "sha1-SXBJi+YEwgwAXU9cI67NIda0kJk=",
+      "requires": {
+        "asynckit": "0.4.0",
+        "combined-stream": "1.0.6",
+        "mime-types": "2.1.17"
+      }
+    },
+    "fs.realpath": {
+      "version": "1.0.0",
+      "resolved": "https://registry.npmjs.org/fs.realpath/-/fs.realpath-1.0.0.tgz",
+      "integrity": "sha1-FQStJSMVjKpA20onh8sBQRmU6k8=",
+      "dev": true
+    },
+    "getpass": {
+      "version": "0.1.7",
+      "resolved": "https://registry.npmjs.org/getpass/-/getpass-0.1.7.tgz",
+      "integrity": "sha1-Xv+OPmhNVprkyysSgmBOi6YhSfo=",
+      "requires": {
+        "assert-plus": "1.0.0"
+      }
+    },
+    "glob": {
+      "version": "5.0.15",
+      "resolved": "https://registry.npmjs.org/glob/-/glob-5.0.15.tgz",
+      "integrity": "sha1-G8k2ueAvSmA/zCIuz3Yz0wuLk7E=",
+      "dev": true,
+      "requires": {
+        "inflight": "1.0.6",
+        "inherits": "2.0.3",
+        "minimatch": "3.0.4",
+        "once": "1.4.0",
+        "path-is-absolute": "1.0.1"
+      }
+    },
+    "growl": {
+      "version": "1.10.3",
+      "resolved": "https://registry.npmjs.org/growl/-/growl-1.10.3.tgz",
+      "integrity": "sha512-hKlsbA5Vu3xsh1Cg3J7jSmX/WaW6A5oBeqzM88oNbCRQFz+zUaXm6yxS4RVytp1scBoJzSYl4YAEOQIt6O8V1Q==",
+      "dev": true
+    },
+    "handlebars": {
+      "version": "4.0.10",
+      "resolved": "https://registry.npmjs.org/handlebars/-/handlebars-4.0.10.tgz",
+      "integrity": "sha1-PTDHGLCaPZbyPqTMH0A8TTup/08=",
+      "dev": true,
+      "requires": {
+        "async": "1.5.2",
+        "optimist": "0.6.1",
+        "source-map": "0.4.4",
+        "uglify-js": "2.8.29"
+      },
+      "dependencies": {
+        "async": {
+          "version": "1.5.2",
+          "resolved": "https://registry.npmjs.org/async/-/async-1.5.2.tgz",
+          "integrity": "sha1-7GphrlZIDAw8skHJVhjiCJL5Zyo=",
+          "dev": true
+        },
+        "source-map": {
+          "version": "0.4.4",
+          "resolved": "https://registry.npmjs.org/source-map/-/source-map-0.4.4.tgz",
+          "integrity": "sha1-66T12pwNyZneaAMti092FzZSA2s=",
+          "dev": true,
+          "requires": {
+            "amdefine": "1.0.1"
+          }
+        }
+      }
+    },
+    "har-schema": {
+      "version": "2.0.0",
+      "resolved": "https://registry.npmjs.org/har-schema/-/har-schema-2.0.0.tgz",
+      "integrity": "sha1-qUwiJOvKwEeCoNkDVSHyRzW37JI="
+    },
+    "har-validator": {
+      "version": "5.0.3",
+      "resolved": "https://registry.npmjs.org/har-validator/-/har-validator-5.0.3.tgz",
+      "integrity": "sha1-ukAsJmGU8VlW7xXg/PJCmT9qff0=",
+      "requires": {
+        "ajv": "5.5.2",
+        "har-schema": "2.0.0"
+      }
+    },
+    "has-flag": {
+      "version": "1.0.0",
+      "resolved": "https://registry.npmjs.org/has-flag/-/has-flag-1.0.0.tgz",
+      "integrity": "sha1-nZ55MWXOAXoA8AQYxD+UKnsdEfo=",
+      "dev": true
+    },
+    "hawk": {
+      "version": "6.0.2",
+      "resolved": "https://registry.npmjs.org/hawk/-/hawk-6.0.2.tgz",
+      "integrity": "sha512-miowhl2+U7Qle4vdLqDdPt9m09K6yZhkLDTWGoUiUzrQCn+mHHSmfJgAyGaLRZbPmTqfFFjRV1QWCW0VWUJBbQ==",
+      "requires": {
+        "boom": "4.3.1",
+        "cryptiles": "3.1.2",
+        "hoek": "4.2.1",
+        "sntp": "2.1.0"
+      }
+    },
+    "he": {
+      "version": "1.1.1",
+      "resolved": "https://registry.npmjs.org/he/-/he-1.1.1.tgz",
+      "integrity": "sha1-k0EP0hsAlzUVH4howvJx80J+I/0=",
+      "dev": true
+    },
+    "hoek": {
+      "version": "4.2.1",
+      "resolved": "https://registry.npmjs.org/hoek/-/hoek-4.2.1.tgz",
+      "integrity": "sha512-QLg82fGkfnJ/4iy1xZ81/9SIJiq1NGFUMGs6ParyjBZr6jW2Ufj/snDqTHixNlHdPNwN2RLVD0Pi3igeK9+JfA=="
+    },
+    "http-signature": {
+      "version": "1.2.0",
+      "resolved": "https://registry.npmjs.org/http-signature/-/http-signature-1.2.0.tgz",
+      "integrity": "sha1-muzZJRFHcvPZW2WmCruPfBj7rOE=",
+      "requires": {
+        "assert-plus": "1.0.0",
+        "jsprim": "1.4.1",
+        "sshpk": "1.13.1"
+      }
+    },
+    "inflight": {
+      "version": "1.0.6",
+      "resolved": "https://registry.npmjs.org/inflight/-/inflight-1.0.6.tgz",
+      "integrity": "sha1-Sb1jMdfQLQwJvJEKEHW6gWW1bfk=",
+      "dev": true,
+      "requires": {
+        "once": "1.4.0",
+        "wrappy": "1.0.2"
+      }
+    },
+    "inherits": {
+      "version": "2.0.3",
+      "resolved": "https://registry.npmjs.org/inherits/-/inherits-2.0.3.tgz",
+      "integrity": "sha1-Yzwsg+PaQqUC9SRmAiSA9CCCYd4=",
+      "dev": true
+    },
+    "is-buffer": {
+      "version": "1.1.5",
+      "resolved": "https://registry.npmjs.org/is-buffer/-/is-buffer-1.1.5.tgz",
+      "integrity": "sha1-Hzsm72E7IUuIy8ojzGwB2Hlh7sw=",
+      "dev": true
+    },
+    "is-typedarray": {
+      "version": "1.0.0",
+      "resolved": "https://registry.npmjs.org/is-typedarray/-/is-typedarray-1.0.0.tgz",
+      "integrity": "sha1-5HnICFjfDBsR3dppQPlgEfzaSpo="
+    },
+    "isarray": {
+      "version": "0.0.1",
+      "resolved": "https://registry.npmjs.org/isarray/-/isarray-0.0.1.tgz",
+      "integrity": "sha1-ihis/Kmo9Bd+Cav8YDiTmwXR7t8=",
+      "dev": true
+    },
+    "isexe": {
+      "version": "2.0.0",
+      "resolved": "https://registry.npmjs.org/isexe/-/isexe-2.0.0.tgz",
+      "integrity": "sha1-6PvzdNxVb/iUehDcsFctYz8s+hA=",
+      "dev": true
+    },
+    "isstream": {
+      "version": "0.1.2",
+      "resolved": "https://registry.npmjs.org/isstream/-/isstream-0.1.2.tgz",
+      "integrity": "sha1-R+Y/evVa+m+S4VAOaQ64uFKcCZo="
+    },
+    "istanbul": {
+      "version": "0.4.5",
+      "resolved": "https://registry.npmjs.org/istanbul/-/istanbul-0.4.5.tgz",
+      "integrity": "sha1-ZcfXPUxNqE1POsMQuRj7C4Azczs=",
+      "dev": true,
+      "requires": {
+        "abbrev": "1.0.9",
+        "async": "1.5.2",
+        "escodegen": "1.8.1",
+        "esprima": "2.7.3",
+        "glob": "5.0.15",
+        "handlebars": "4.0.10",
+        "js-yaml": "3.6.1",
+        "mkdirp": "0.5.1",
+        "nopt": "3.0.6",
+        "once": "1.4.0",
+        "resolve": "1.1.7",
+        "supports-color": "3.2.3",
+        "which": "1.2.14",
+        "wordwrap": "1.0.0"
+      },
+      "dependencies": {
+        "async": {
+          "version": "1.5.2",
+          "resolved": "https://registry.npmjs.org/async/-/async-1.5.2.tgz",
+          "integrity": "sha1-7GphrlZIDAw8skHJVhjiCJL5Zyo=",
+          "dev": true
+        },
+        "supports-color": {
+          "version": "3.2.3",
+          "resolved": "https://registry.npmjs.org/supports-color/-/supports-color-3.2.3.tgz",
+          "integrity": "sha1-ZawFBLOVQXHYpklGsq48u4pfVPY=",
+          "dev": true,
+          "requires": {
+            "has-flag": "1.0.0"
+          }
+        }
+      }
+    },
+    "js-yaml": {
+      "version": "3.6.1",
+      "resolved": "https://registry.npmjs.org/js-yaml/-/js-yaml-3.6.1.tgz",
+      "integrity": "sha1-bl/mfYsgXOTSL60Ft3geja3MSzA=",
+      "dev": true,
+      "requires": {
+        "argparse": "1.0.9",
+        "esprima": "2.7.3"
+      }
+    },
+    "jsbn": {
+      "version": "0.1.1",
+      "resolved": "https://registry.npmjs.org/jsbn/-/jsbn-0.1.1.tgz",
+      "integrity": "sha1-peZUwuWi3rXyAdls77yoDA7y9RM=",
+      "optional": true
+    },
+    "json-schema": {
+      "version": "0.2.3",
+      "resolved": "https://registry.npmjs.org/json-schema/-/json-schema-0.2.3.tgz",
+      "integrity": "sha1-tIDIkuWaLwWVTOcnvT8qTogvnhM="
+    },
+    "json-schema-traverse": {
+      "version": "0.3.1",
+      "resolved": "https://registry.npmjs.org/json-schema-traverse/-/json-schema-traverse-0.3.1.tgz",
+      "integrity": "sha1-NJptRMU6Ud6JtAgFxdXlm0F9M0A="
+    },
+    "json-stringify-safe": {
+      "version": "5.0.1",
+      "resolved": "https://registry.npmjs.org/json-stringify-safe/-/json-stringify-safe-5.0.1.tgz",
+      "integrity": "sha1-Epai1Y/UXxmg9s4B1lcB4sc1tus="
+    },
+    "jsonify": {
+      "version": "0.0.0",
+      "resolved": "https://registry.npmjs.org/jsonify/-/jsonify-0.0.0.tgz",
+      "integrity": "sha1-LHS27kHZPKUbe1qu6PUDYx0lKnM=",
+      "dev": true
+    },
+    "jsprim": {
+      "version": "1.4.1",
+      "resolved": "https://registry.npmjs.org/jsprim/-/jsprim-1.4.1.tgz",
+      "integrity": "sha1-MT5mvB5cwG5Di8G3SZwuXFastqI=",
+      "requires": {
+        "assert-plus": "1.0.0",
+        "extsprintf": "1.3.0",
+        "json-schema": "0.2.3",
+        "verror": "1.10.0"
+      }
+    },
+    "kind-of": {
+      "version": "3.2.2",
+      "resolved": "https://registry.npmjs.org/kind-of/-/kind-of-3.2.2.tgz",
+      "integrity": "sha1-MeohpzS6ubuw8yRm2JOupR5KPGQ=",
+      "dev": true,
+      "requires": {
+        "is-buffer": "1.1.5"
+      }
+    },
+    "lazy-cache": {
+      "version": "1.0.4",
+      "resolved": "https://registry.npmjs.org/lazy-cache/-/lazy-cache-1.0.4.tgz",
+      "integrity": "sha1-odePw6UEdMuAhF07O24dpJpEbo4=",
+      "dev": true,
+      "optional": true
+    },
+    "lcov-parse": {
+      "version": "0.0.10",
+      "resolved": "https://registry.npmjs.org/lcov-parse/-/lcov-parse-0.0.10.tgz",
+      "integrity": "sha1-GwuP+ayceIklBYK3C3ExXZ2m2aM=",
+      "dev": true
+    },
+    "levn": {
+      "version": "0.3.0",
+      "resolved": "https://registry.npmjs.org/levn/-/levn-0.3.0.tgz",
+      "integrity": "sha1-OwmSTt+fCDwEkP3UwLxEIeBHZO4=",
+      "dev": true,
+      "requires": {
+        "prelude-ls": "1.1.2",
+        "type-check": "0.3.2"
+      }
+    },
+    "lodash": {
+      "version": "4.17.4",
+      "resolved": "https://registry.npmjs.org/lodash/-/lodash-4.17.4.tgz",
+      "integrity": "sha1-eCA6TRwyiuHYbcpkYONptX9AVa4="
+    },
+    "lodash-node": {
+      "version": "2.4.1",
+      "resolved": "https://registry.npmjs.org/lodash-node/-/lodash-node-2.4.1.tgz",
+      "integrity": "sha1-6oL3sQDHM9GkKvdoAeUGEF4qgOw="
+    },
+    "log-driver": {
+      "version": "1.2.6",
+      "resolved": "https://registry.npmjs.org/log-driver/-/log-driver-1.2.6.tgz",
+      "integrity": "sha512-iUHz4WAGsXwUmL1UergWrkFD2iTUrGLMsQDRYUWtS9FI+wSyM76vIL+THQt7vrQq5fZDGdrPSCFUfIlqII28tg==",
+      "dev": true,
+      "requires": {
+        "codecov.io": "0.0.1"
+      }
+    },
+    "longest": {
+      "version": "1.0.1",
+      "resolved": "https://registry.npmjs.org/longest/-/longest-1.0.1.tgz",
+      "integrity": "sha1-MKCy2jj3N3DoKUoNIuZiXtd9AJc=",
+      "dev": true
+    },
+    "mime": {
+      "version": "2.2.0",
+      "resolved": "https://registry.npmjs.org/mime/-/mime-2.2.0.tgz",
+      "integrity": "sha512-0Qz9uF1ATtl8RKJG4VRfOymh7PyEor6NbrI/61lRfuRe4vx9SNATrvAeTj2EWVRKjEQGskrzWkJBBY5NbaVHIA=="
+    },
+    "mime-db": {
+      "version": "1.30.0",
+      "resolved": "https://registry.npmjs.org/mime-db/-/mime-db-1.30.0.tgz",
+      "integrity": "sha1-dMZD2i3Z1qRTmZY0ZbJtXKfXHwE="
+    },
+    "mime-types": {
+      "version": "2.1.17",
+      "resolved": "https://registry.npmjs.org/mime-types/-/mime-types-2.1.17.tgz",
+      "integrity": "sha1-Cdejk/A+mVp5+K+Fe3Cp4KsWVXo=",
+      "requires": {
+        "mime-db": "1.30.0"
+      }
+    },
+    "minimatch": {
+      "version": "3.0.4",
+      "resolved": "https://registry.npmjs.org/minimatch/-/minimatch-3.0.4.tgz",
+      "integrity": "sha1-UWbihkV/AzBgZL5Ul+jbsMPTIIM=",
+      "dev": true,
+      "requires": {
+        "brace-expansion": "1.1.8"
+      }
+    },
+    "minimist": {
+      "version": "1.2.0",
+      "resolved": "https://registry.npmjs.org/minimist/-/minimist-1.2.0.tgz",
+      "integrity": "sha1-o1AIsg9BOD7sH7kU9M1d95omQoQ=",
+      "dev": true
+    },
+    "mkdirp": {
+      "version": "0.5.1",
+      "resolved": "https://registry.npmjs.org/mkdirp/-/mkdirp-0.5.1.tgz",
+      "integrity": "sha1-MAV0OOrGz3+MR2fzhkjWaX11yQM=",
+      "dev": true,
+      "requires": {
+        "minimist": "0.0.8"
+      },
+      "dependencies": {
+        "minimist": {
+          "version": "0.0.8",
+          "resolved": "https://registry.npmjs.org/minimist/-/minimist-0.0.8.tgz",
+          "integrity": "sha1-hX/Kv8M5fSYluCKCYuhqp6ARsF0=",
+          "dev": true
+        }
+      }
+    },
+    "mocha": {
+      "version": "5.0.1",
+      "resolved": "https://registry.npmjs.org/mocha/-/mocha-5.0.1.tgz",
+      "integrity": "sha512-SpwyojlnE/WRBNGtvJSNfllfm5PqEDFxcWluSIgLeSBJtXG4DmoX2NNAeEA7rP5kK+79VgtVq8nG6HskaL1ykg==",
+      "dev": true,
+      "requires": {
+        "browser-stdout": "1.3.0",
+        "commander": "2.11.0",
+        "debug": "3.1.0",
+        "diff": "3.3.1",
+        "escape-string-regexp": "1.0.5",
+        "glob": "7.1.2",
+        "growl": "1.10.3",
+        "he": "1.1.1",
+        "mkdirp": "0.5.1",
+        "supports-color": "4.4.0"
+      },
+      "dependencies": {
+        "glob": {
+          "version": "7.1.2",
+          "resolved": "https://registry.npmjs.org/glob/-/glob-7.1.2.tgz",
+          "integrity": "sha512-MJTUg1kjuLeQCJ+ccE4Vpa6kKVXkPYJ2mOCQyUuKLcLQsdrMCpBPUi8qVE6+YuaJkozeA9NusTAw3hLr8Xe5EQ==",
+          "dev": true,
+          "requires": {
+            "fs.realpath": "1.0.0",
+            "inflight": "1.0.6",
+            "inherits": "2.0.3",
+            "minimatch": "3.0.4",
+            "once": "1.4.0",
+            "path-is-absolute": "1.0.1"
+          }
+        }
+      }
+    },
+    "mocha-lcov-reporter": {
+      "version": "1.3.0",
+      "resolved": "https://registry.npmjs.org/mocha-lcov-reporter/-/mocha-lcov-reporter-1.3.0.tgz",
+      "integrity": "sha1-Rpve9PivyaEWBW8HnfYYLQr7A4Q=",
+      "dev": true
+    },
+    "ms": {
+      "version": "2.0.0",
+      "resolved": "https://registry.npmjs.org/ms/-/ms-2.0.0.tgz",
+      "integrity": "sha1-VgiurfwAvmwpAd9fmGF4jeDVl8g=",
+      "dev": true
+    },
+    "nan": {
+      "version": "2.6.2",
+      "resolved": "https://registry.npmjs.org/nan/-/nan-2.6.2.tgz",
+      "integrity": "sha1-5P805slf37WuzAjeZZb0NgWn20U="
+    },
+    "node-df": {
+      "version": "github:crafatar/node-df#9fcd16bd61f1f7c7da0c01412cac3f0ea029eb3f",
+      "requires": {
+        "underscore": "1.8.3"
+      }
+    },
+    "nopt": {
+      "version": "3.0.6",
+      "resolved": "https://registry.npmjs.org/nopt/-/nopt-3.0.6.tgz",
+      "integrity": "sha1-xkZdvwirzU2zWTF/eaxopkayj/k=",
+      "dev": true,
+      "requires": {
+        "abbrev": "1.0.9"
+      }
+    },
+    "oauth-sign": {
+      "version": "0.8.2",
+      "resolved": "https://registry.npmjs.org/oauth-sign/-/oauth-sign-0.8.2.tgz",
+      "integrity": "sha1-Rqarfwrq2N6unsBWV4C31O/rnUM="
+    },
+    "once": {
+      "version": "1.4.0",
+      "resolved": "https://registry.npmjs.org/once/-/once-1.4.0.tgz",
+      "integrity": "sha1-WDsap3WWHUsROsF9nFC6753Xa9E=",
+      "dev": true,
+      "requires": {
+        "wrappy": "1.0.2"
+      }
+    },
+    "optimist": {
+      "version": "0.6.1",
+      "resolved": "https://registry.npmjs.org/optimist/-/optimist-0.6.1.tgz",
+      "integrity": "sha1-2j6nRob6IaGaERwybpDrFaAZZoY=",
+      "dev": true,
+      "requires": {
+        "minimist": "0.0.10",
+        "wordwrap": "0.0.3"
+      },
+      "dependencies": {
+        "minimist": {
+          "version": "0.0.10",
+          "resolved": "https://registry.npmjs.org/minimist/-/minimist-0.0.10.tgz",
+          "integrity": "sha1-3j+YVD2/lggr5IrRoMfNqDYwHc8=",
+          "dev": true
+        },
+        "wordwrap": {
+          "version": "0.0.3",
+          "resolved": "https://registry.npmjs.org/wordwrap/-/wordwrap-0.0.3.tgz",
+          "integrity": "sha1-o9XabNXAvAAI03I0u68b7WMFkQc=",
+          "dev": true
+        }
+      }
+    },
+    "optionator": {
+      "version": "0.8.2",
+      "resolved": "https://registry.npmjs.org/optionator/-/optionator-0.8.2.tgz",
+      "integrity": "sha1-NkxeQJ0/TWMB1sC0wFu6UBgK62Q=",
+      "dev": true,
+      "requires": {
+        "deep-is": "0.1.3",
+        "fast-levenshtein": "2.0.6",
+        "levn": "0.3.0",
+        "prelude-ls": "1.1.2",
+        "type-check": "0.3.2",
+        "wordwrap": "1.0.0"
+      }
+    },
+    "pajk-lwip": {
+      "version": "0.2.0",
+      "resolved": "https://registry.npmjs.org/pajk-lwip/-/pajk-lwip-0.2.0.tgz",
+      "integrity": "sha1-7c0zQGz2uGMyt2LwM1BHpd2FoDY=",
+      "requires": {
+        "async": "2.5.0",
+        "bindings": "1.2.1",
+        "decree": "0.0.6",
+        "nan": "2.6.2"
+      }
+    },
+    "path-is-absolute": {
+      "version": "1.0.1",
+      "resolved": "https://registry.npmjs.org/path-is-absolute/-/path-is-absolute-1.0.1.tgz",
+      "integrity": "sha1-F0uSaHNVNP+8es5r9TpanhtcX18=",
+      "dev": true
+    },
+    "performance-now": {
+      "version": "2.1.0",
+      "resolved": "https://registry.npmjs.org/performance-now/-/performance-now-2.1.0.tgz",
+      "integrity": "sha1-Ywn04OX6kT7BxpMHrjZLSzd8nns="
+    },
+    "prelude-ls": {
+      "version": "1.1.2",
+      "resolved": "https://registry.npmjs.org/prelude-ls/-/prelude-ls-1.1.2.tgz",
+      "integrity": "sha1-IZMqVJ9eUv/ZqCf1cOBL5iqX2lQ=",
+      "dev": true
+    },
+    "punycode": {
+      "version": "1.4.1",
+      "resolved": "https://registry.npmjs.org/punycode/-/punycode-1.4.1.tgz",
+      "integrity": "sha1-wNWmOycYgArY4esPpSachN1BhF4="
+    },
+    "qs": {
+      "version": "6.5.1",
+      "resolved": "https://registry.npmjs.org/qs/-/qs-6.5.1.tgz",
+      "integrity": "sha512-eRzhrN1WSINYCDCbrz796z37LOe3m5tmW7RQf6oBntukAG1nmovJvhnwHHRMAfeoItc1m2Hk02WER2aQ/iqs+A=="
+    },
+    "readable-stream": {
+      "version": "1.0.34",
+      "resolved": "https://registry.npmjs.org/readable-stream/-/readable-stream-1.0.34.tgz",
+      "integrity": "sha1-Elgg40vIQtLyqq+v5MKRbuMsFXw=",
+      "dev": true,
+      "requires": {
+        "core-util-is": "1.0.2",
+        "inherits": "2.0.3",
+        "isarray": "0.0.1",
+        "string_decoder": "0.10.31"
+      }
+    },
+    "redis": {
+      "version": "2.8.0",
+      "resolved": "https://registry.npmjs.org/redis/-/redis-2.8.0.tgz",
+      "integrity": "sha512-M1OkonEQwtRmZv4tEWF2VgpG0JWJ8Fv1PhlgT5+B+uNq2cA3Rt1Yt/ryoR+vQNOQcIEgdCdfH0jr3bDpihAw1A==",
+      "requires": {
+        "double-ended-queue": "2.1.0-0",
+        "redis-commands": "1.3.1",
+        "redis-parser": "2.6.0"
+      }
+    },
+    "redis-commands": {
+      "version": "1.3.1",
+      "resolved": "https://registry.npmjs.org/redis-commands/-/redis-commands-1.3.1.tgz",
+      "integrity": "sha1-gdgm9F+pyLIBH0zXoP5ZfSQdRCs="
+    },
+    "redis-parser": {
+      "version": "2.6.0",
+      "resolved": "https://registry.npmjs.org/redis-parser/-/redis-parser-2.6.0.tgz",
+      "integrity": "sha1-Uu0J2srBCPGmMcB+m2mUHnoZUEs="
+    },
+    "repeat-string": {
+      "version": "1.6.1",
+      "resolved": "https://registry.npmjs.org/repeat-string/-/repeat-string-1.6.1.tgz",
+      "integrity": "sha1-jcrkcOHIirwtYA//Sndihtp15jc=",
+      "dev": true
+    },
+    "request": {
+      "version": "2.83.0",
+      "resolved": "https://registry.npmjs.org/request/-/request-2.83.0.tgz",
+      "integrity": "sha512-lR3gD69osqm6EYLk9wB/G1W/laGWjzH90t1vEa2xuxHD5KUrSzp9pUSfTm+YC5Nxt2T8nMPEvKlhbQayU7bgFw==",
+      "requires": {
+        "aws-sign2": "0.7.0",
+        "aws4": "1.6.0",
+        "caseless": "0.12.0",
+        "combined-stream": "1.0.6",
+        "extend": "3.0.1",
+        "forever-agent": "0.6.1",
+        "form-data": "2.3.2",
+        "har-validator": "5.0.3",
+        "hawk": "6.0.2",
+        "http-signature": "1.2.0",
+        "is-typedarray": "1.0.0",
+        "isstream": "0.1.2",
+        "json-stringify-safe": "5.0.1",
+        "mime-types": "2.1.17",
+        "oauth-sign": "0.8.2",
+        "performance-now": "2.1.0",
+        "qs": "6.5.1",
+        "safe-buffer": "5.1.1",
+        "stringstream": "0.0.5",
+        "tough-cookie": "2.3.3",
+        "tunnel-agent": "0.6.0",
+        "uuid": "3.2.1"
+      }
+    },
+    "resolve": {
+      "version": "1.1.7",
+      "resolved": "https://registry.npmjs.org/resolve/-/resolve-1.1.7.tgz",
+      "integrity": "sha1-IDEU2CrSxe2ejgQRs5ModeiJ6Xs=",
+      "dev": true
+    },
+    "resumer": {
+      "version": "0.0.0",
+      "resolved": "https://registry.npmjs.org/resumer/-/resumer-0.0.0.tgz",
+      "integrity": "sha1-8ej0YeQGS6Oegq883CqMiT0HZ1k=",
+      "dev": true,
+      "requires": {
+        "through": "2.3.8"
+      }
+    },
+    "right-align": {
+      "version": "0.1.3",
+      "resolved": "https://registry.npmjs.org/right-align/-/right-align-0.1.3.tgz",
+      "integrity": "sha1-YTObci/mo1FWiSENJOFMlhSGE+8=",
+      "dev": true,
+      "optional": true,
+      "requires": {
+        "align-text": "0.1.4"
+      }
+    },
+    "safe-buffer": {
+      "version": "5.1.1",
+      "resolved": "https://registry.npmjs.org/safe-buffer/-/safe-buffer-5.1.1.tgz",
+      "integrity": "sha512-kKvNJn6Mm93gAczWVJg7wH+wGYWNrDHdWvpUmHyEsgCtIwwo3bqPtV4tR5tuPaUhTOo/kvhVwd8XwwOllGYkbg=="
+    },
+    "sntp": {
+      "version": "2.1.0",
+      "resolved": "https://registry.npmjs.org/sntp/-/sntp-2.1.0.tgz",
+      "integrity": "sha512-FL1b58BDrqS3A11lJ0zEdnJ3UOKqVxawAkF3k7F0CVN7VQ34aZrV+G8BZ1WC9ZL7NyrwsW0oviwsWDgRuVYtJg==",
+      "requires": {
+        "hoek": "4.2.1"
+      }
+    },
+    "source-map": {
+      "version": "0.2.0",
+      "resolved": "https://registry.npmjs.org/source-map/-/source-map-0.2.0.tgz",
+      "integrity": "sha1-2rc/vPwrqBm03gO9b26qSBZLP50=",
+      "dev": true,
+      "optional": true,
+      "requires": {
+        "amdefine": "1.0.1"
+      }
+    },
+    "split": {
+      "version": "0.2.10",
+      "resolved": "https://registry.npmjs.org/split/-/split-0.2.10.tgz",
+      "integrity": "sha1-Zwl8YB1pfOE2j0GPBs0gHPBSGlc=",
+      "dev": true,
+      "requires": {
+        "through": "2.3.8"
+      }
+    },
+    "sprintf-js": {
+      "version": "1.0.3",
+      "resolved": "https://registry.npmjs.org/sprintf-js/-/sprintf-js-1.0.3.tgz",
+      "integrity": "sha1-BOaSb2YolTVPPdAVIDYzuFcpfiw=",
+      "dev": true
+    },
+    "sshpk": {
+      "version": "1.13.1",
+      "resolved": "https://registry.npmjs.org/sshpk/-/sshpk-1.13.1.tgz",
+      "integrity": "sha1-US322mKHFEMW3EwY/hzx2UBzm+M=",
+      "requires": {
+        "asn1": "0.2.3",
+        "assert-plus": "1.0.0",
+        "bcrypt-pbkdf": "1.0.1",
+        "dashdash": "1.14.1",
+        "ecc-jsbn": "0.1.1",
+        "getpass": "0.1.7",
+        "jsbn": "0.1.1",
+        "tweetnacl": "0.14.5"
+      }
+    },
+    "stream-combiner": {
+      "version": "0.0.4",
+      "resolved": "https://registry.npmjs.org/stream-combiner/-/stream-combiner-0.0.4.tgz",
+      "integrity": "sha1-TV5DPBhSYd3mI8o/RMWGvPXErRQ=",
+      "dev": true,
+      "requires": {
+        "duplexer": "0.1.1"
+      }
+    },
+    "string_decoder": {
+      "version": "0.10.31",
+      "resolved": "https://registry.npmjs.org/string_decoder/-/string_decoder-0.10.31.tgz",
+      "integrity": "sha1-YuIDvEF2bGwoyfyEMB2rHFMQ+pQ=",
+      "dev": true
+    },
+    "stringstream": {
+      "version": "0.0.5",
+      "resolved": "https://registry.npmjs.org/stringstream/-/stringstream-0.0.5.tgz",
+      "integrity": "sha1-TkhM1N5aC7vuGORjB3EKioFiGHg="
+    },
+    "supports-color": {
+      "version": "4.4.0",
+      "resolved": "https://registry.npmjs.org/supports-color/-/supports-color-4.4.0.tgz",
+      "integrity": "sha512-rKC3+DyXWgK0ZLKwmRsrkyHVZAjNkfzeehuFWdGGcqGDTZFH73+RH6S/RDAAxl9GusSjZSUWYLmT9N5pzXFOXQ==",
+      "dev": true,
+      "requires": {
+        "has-flag": "2.0.0"
+      },
+      "dependencies": {
+        "has-flag": {
+          "version": "2.0.0",
+          "resolved": "https://registry.npmjs.org/has-flag/-/has-flag-2.0.0.tgz",
+          "integrity": "sha1-6CB68cx7MNRGzHC3NLXovhj4jVE=",
+          "dev": true
+        }
+      }
+    },
+    "tape": {
+      "version": "2.3.0",
+      "resolved": "https://registry.npmjs.org/tape/-/tape-2.3.0.tgz",
+      "integrity": "sha1-Df7scJIn+8yRcKvn8EaWKycUMds=",
+      "dev": true,
+      "requires": {
+        "deep-equal": "0.1.2",
+        "defined": "0.0.0",
+        "inherits": "2.0.3",
+        "jsonify": "0.0.0",
+        "resumer": "0.0.0",
+        "split": "0.2.10",
+        "stream-combiner": "0.0.4",
+        "through": "2.3.8"
+      }
+    },
+    "through": {
+      "version": "2.3.8",
+      "resolved": "https://registry.npmjs.org/through/-/through-2.3.8.tgz",
+      "integrity": "sha1-DdTJ/6q8NXlgsbckEV1+Doai4fU=",
+      "dev": true
+    },
+    "toobusy-js": {
+      "version": "0.5.1",
+      "resolved": "https://registry.npmjs.org/toobusy-js/-/toobusy-js-0.5.1.tgz",
+      "integrity": "sha1-VRH3j2qHpqUS1E/bDvoTZyIX9lk="
+    },
+    "tough-cookie": {
+      "version": "2.3.3",
+      "resolved": "https://registry.npmjs.org/tough-cookie/-/tough-cookie-2.3.3.tgz",
+      "integrity": "sha1-C2GKVWW23qkL80JdBNVe3EdadWE=",
+      "requires": {
+        "punycode": "1.4.1"
+      }
+    },
+    "tunnel-agent": {
+      "version": "0.6.0",
+      "resolved": "https://registry.npmjs.org/tunnel-agent/-/tunnel-agent-0.6.0.tgz",
+      "integrity": "sha1-J6XeoGs2sEoKmWZ3SykIaPD8QP0=",
+      "requires": {
+        "safe-buffer": "5.1.1"
+      }
+    },
+    "tweetnacl": {
+      "version": "0.14.5",
+      "resolved": "https://registry.npmjs.org/tweetnacl/-/tweetnacl-0.14.5.tgz",
+      "integrity": "sha1-WuaBd/GS1EViadEIr6k/+HQ/T2Q=",
+      "optional": true
+    },
+    "type-check": {
+      "version": "0.3.2",
+      "resolved": "https://registry.npmjs.org/type-check/-/type-check-0.3.2.tgz",
+      "integrity": "sha1-WITKtRLPHTVeP7eE8wgEsrUg23I=",
+      "dev": true,
+      "requires": {
+        "prelude-ls": "1.1.2"
+      }
+    },
+    "uglify-js": {
+      "version": "2.8.29",
+      "resolved": "https://registry.npmjs.org/uglify-js/-/uglify-js-2.8.29.tgz",
+      "integrity": "sha1-KcVzMUgFe7Th913zW3qcty5qWd0=",
+      "dev": true,
+      "optional": true,
+      "requires": {
+        "source-map": "0.5.6",
+        "uglify-to-browserify": "1.0.2",
+        "yargs": "3.10.0"
+      },
+      "dependencies": {
+        "source-map": {
+          "version": "0.5.6",
+          "resolved": "https://registry.npmjs.org/source-map/-/source-map-0.5.6.tgz",
+          "integrity": "sha1-dc449SvwczxafwwRjYEzSiu19BI=",
+          "dev": true,
+          "optional": true
+        }
+      }
+    },
+    "uglify-to-browserify": {
+      "version": "1.0.2",
+      "resolved": "https://registry.npmjs.org/uglify-to-browserify/-/uglify-to-browserify-1.0.2.tgz",
+      "integrity": "sha1-bgkk1r2mta/jSeOabWMoUKD4grc=",
+      "dev": true,
+      "optional": true
+    },
+    "underscore": {
+      "version": "1.8.3",
+      "resolved": "https://registry.npmjs.org/underscore/-/underscore-1.8.3.tgz",
+      "integrity": "sha1-Tz+1OxBuYJf8+ctBCfKl6b36UCI="
+    },
+    "urlgrey": {
+      "version": "0.4.0",
+      "resolved": "https://registry.npmjs.org/urlgrey/-/urlgrey-0.4.0.tgz",
+      "integrity": "sha1-8GU1cED7NcOzEdTl3DZITZbb6gY=",
+      "dev": true,
+      "requires": {
+        "tape": "2.3.0"
+      }
+    },
+    "uuid": {
+      "version": "3.2.1",
+      "resolved": "https://registry.npmjs.org/uuid/-/uuid-3.2.1.tgz",
+      "integrity": "sha512-jZnMwlb9Iku/O3smGWvZhauCf6cvvpKi4BKRiliS3cxnI+Gz9j5MEpTz2UFuXiKPJocb7gnsLHwiS05ige5BEA=="
+    },
+    "verror": {
+      "version": "1.10.0",
+      "resolved": "https://registry.npmjs.org/verror/-/verror-1.10.0.tgz",
+      "integrity": "sha1-OhBcoXBTr1XW4nDB+CiGguGNpAA=",
+      "requires": {
+        "assert-plus": "1.0.0",
+        "core-util-is": "1.0.2",
+        "extsprintf": "1.3.0"
+      }
+    },
+    "which": {
+      "version": "1.2.14",
+      "resolved": "https://registry.npmjs.org/which/-/which-1.2.14.tgz",
+      "integrity": "sha1-mofEN48D6CfOyvGs31bHNsAcFOU=",
+      "dev": true,
+      "requires": {
+        "isexe": "2.0.0"
+      }
+    },
+    "window-size": {
+      "version": "0.1.0",
+      "resolved": "https://registry.npmjs.org/window-size/-/window-size-0.1.0.tgz",
+      "integrity": "sha1-VDjNLqk7IC76Ohn+iIeu58lPnJ0=",
+      "dev": true,
+      "optional": true
+    },
+    "wordwrap": {
+      "version": "1.0.0",
+      "resolved": "https://registry.npmjs.org/wordwrap/-/wordwrap-1.0.0.tgz",
+      "integrity": "sha1-J1hIEIkUVqQXHI0CJkQa3pDLyus=",
+      "dev": true
+    },
+    "wrappy": {
+      "version": "1.0.2",
+      "resolved": "https://registry.npmjs.org/wrappy/-/wrappy-1.0.2.tgz",
+      "integrity": "sha1-tSQ9jz7BqjXxNkYFvA0QNuMKtp8=",
+      "dev": true
+    },
+    "yargs": {
+      "version": "3.10.0",
+      "resolved": "https://registry.npmjs.org/yargs/-/yargs-3.10.0.tgz",
+      "integrity": "sha1-9+572FfdfB0tOMDnTvvWgdFDH9E=",
+      "dev": true,
+      "optional": true,
+      "requires": {
+        "camelcase": "1.2.1",
+        "cliui": "2.1.0",
+        "decamelize": "1.2.0",
+        "window-size": "0.1.0"
+      }
+    }
+  }
+}
diff --git a/package.json b/package.json
index 6d105df..f855388 100644
--- a/package.json
+++ b/package.json
@@ -31,23 +31,23 @@
     "test-travis": "istanbul cover ./node_modules/mocha/bin/_mocha --report lcovonly -- -R spec && cat ./coverage/lcov.info | ./node_modules/coveralls/bin/coveralls.js && rm -rf ./coverage"
   },
   "engines": {
-    "node": "6.11.1"
+    "node": "8.9.4"
   },
   "dependencies": {
     "canvas": "^1.6.2",
-    "crc": "~3.4.1",
+    "crc": "^3.5.0",
     "ejs": "^2.5.2",
-    "pajk-lwip": "0.2.0",
-    "mime": "~1.3.4",
+    "pajk-lwip": "^0.2.0",
+    "mime": "^2.2.0",
     "node-df": "crafatar/node-df",
-    "redis": "~2.7.1",
-    "request": "~2.81.0",
-    "toobusy-js": "~0.5.1"
+    "redis": "^2.8.0",
+    "request": "^2.83.0",
+    "toobusy-js": "^0.5.1"
   },
   "devDependencies": {
-    "coveralls": "~2.13.1",
-    "istanbul": "~0.4.5",
-    "mocha": "~3.3.0",
-    "mocha-lcov-reporter": "~1.3.0"
+    "coveralls": "^3.0.0",
+    "istanbul": "^0.4.5",
+    "mocha": "^5.0.1",
+    "mocha-lcov-reporter": "^1.3.0"
   }
 }
diff --git a/test/test.js b/test/test.js
index b42fc60..bfd5bb6 100644
--- a/test/test.js
+++ b/test/test.js
@@ -569,12 +569,6 @@ describe("Crafatar", function() {
         });
       }(loc));
     }
-
-    after(function(done) {
-      server.close(function() {
-        done();
-      });
-    });
   });
 
   // we have to make sure that we test both a 32x64 and 64x64 skin
@@ -707,4 +701,11 @@ describe("Crafatar", function() {
       });
     });
   });
+
+  after(function(done) {
+    server.close(function() {
+      cache.get_redis().quit();
+      done();
+    });
+  });
 });
\ No newline at end of file