diff --git a/cloud-function/package-lock.json b/cloud-function/package-lock.json
index 206b46b..b0ad297 100644
--- a/cloud-function/package-lock.json
+++ b/cloud-function/package-lock.json
@@ -2,71 +2,41 @@
   "requires": true,
   "lockfileVersion": 1,
   "dependencies": {
-    "ajv": {
-      "version": "5.5.2",
-      "resolved": "https://registry.npmjs.org/ajv/-/ajv-5.5.2.tgz",
-      "integrity": "sha1-c7Xuyj+rZT49P5Qis0GtQiBdyWU=",
+    "abort-controller": {
+      "version": "3.0.0",
+      "resolved": "https://registry.npmjs.org/abort-controller/-/abort-controller-3.0.0.tgz",
+      "integrity": "sha512-h8lQ8tacZYnR3vNQTgibj+tODHI5/+l06Au2Pcriv/Gmet0eaj4TwWH41sO9wnHDiQsEj19q0drzdWdeAHtweg==",
       "requires": {
-        "co": "^4.6.0",
-        "fast-deep-equal": "^1.0.0",
-        "fast-json-stable-stringify": "^2.0.0",
-        "json-schema-traverse": "^0.3.0"
+        "event-target-shim": "^5.0.0"
       }
     },
-    "asn1": {
-      "version": "0.2.4",
-      "resolved": "https://registry.npmjs.org/asn1/-/asn1-0.2.4.tgz",
-      "integrity": "sha512-jxwzQpLQjSmWXgwaCZE9Nz+glAG01yF1QnWgbhGwHI5A6FRIEY6IVqtHhIepHqI7/kyEyQEagBC5mBEFlIYvdg==",
+    "agent-base": {
+      "version": "4.3.0",
+      "resolved": "https://registry.npmjs.org/agent-base/-/agent-base-4.3.0.tgz",
+      "integrity": "sha512-salcGninV0nPrwpGNn4VTXBb1SOuXQBiqbrNXoeizJsHrsL6ERFM2Ne3JUSBWRE6aeNJI2ROP/WEEIDUiDe3cg==",
       "requires": {
-        "safer-buffer": "~2.1.0"
+        "es6-promisify": "^5.0.0"
       }
     },
-    "assert-plus": {
-      "version": "1.0.0",
-      "resolved": "https://registry.npmjs.org/assert-plus/-/assert-plus-1.0.0.tgz",
-      "integrity": "sha1-8S4PPF13sLHN2RRpQuTpbB5N1SU="
-    },
     "assertion-error": {
       "version": "1.1.0",
       "resolved": "https://registry.npmjs.org/assertion-error/-/assertion-error-1.1.0.tgz",
       "integrity": "sha512-jgsaNduz+ndvGyFt3uSuWqvy4lCnIJiovtouQN5JZHOKCS2QuhEdbcQHFhVksz2N2U9hXJo8odG7ETyWlEeuDw=="
     },
-    "async": {
-      "version": "2.3.0",
-      "resolved": "https://registry.npmjs.org/async/-/async-2.3.0.tgz",
-      "integrity": "sha1-EBPRBRBH3TIP4k5JTVxm7K9hR9k=",
-      "requires": {
-        "lodash": "^4.14.0"
-      }
-    },
-    "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": "1.8.0",
-      "resolved": "https://registry.npmjs.org/aws4/-/aws4-1.8.0.tgz",
-      "integrity": "sha512-ReZxvNHIOv88FlT7rxcXIIC0fPt4KZqZbOlivyWtXLt8ESx84zd3kMC6iK5jVeS2qt+g7ftS7ye4fi06X5rtRQ=="
-    },
     "balanced-match": {
       "version": "1.0.0",
       "resolved": "https://registry.npmjs.org/balanced-match/-/balanced-match-1.0.0.tgz",
       "integrity": "sha1-ibTRmasr7kneFk6gK4nORi1xt2c="
     },
-    "bcrypt-pbkdf": {
-      "version": "1.0.2",
-      "resolved": "https://registry.npmjs.org/bcrypt-pbkdf/-/bcrypt-pbkdf-1.0.2.tgz",
-      "integrity": "sha1-pDAdOJtqQ/m2f/PKEaP2Y342Dp4=",
-      "optional": true,
-      "requires": {
-        "tweetnacl": "^0.14.3"
-      }
+    "base64-js": {
+      "version": "1.5.1",
+      "resolved": "https://registry.npmjs.org/base64-js/-/base64-js-1.5.1.tgz",
+      "integrity": "sha512-AKpaYlHn8t4SVbOHCy+b5+KKgvR4vrsD8vbvrbiQJps7fKDTkjkDry6ji0rUJjC0kzbNePLwzxq8iypo41qeWA=="
+    },
+    "bignumber.js": {
+      "version": "9.0.1",
+      "resolved": "https://registry.npmjs.org/bignumber.js/-/bignumber.js-9.0.1.tgz",
+      "integrity": "sha512-IdZR9mh6ahOBv/hYGiXyVuyCetmGJhtYkqLBpTStdhEGjegpPlUawydyaF3pbIOFynJTpllEs+NP+CS9jKFLjA=="
     },
     "brace-expansion": {
       "version": "1.1.11",
@@ -87,11 +57,6 @@
       "resolved": "https://registry.npmjs.org/buffer-equal-constant-time/-/buffer-equal-constant-time-1.0.1.tgz",
       "integrity": "sha1-+OcRMvf/5uAaXJaXpMbz5I1cyBk="
     },
-    "caseless": {
-      "version": "0.12.0",
-      "resolved": "https://registry.npmjs.org/caseless/-/caseless-0.12.0.tgz",
-      "integrity": "sha1-G2gcIf+EAzyCZUMJBolCDRhxUdw="
-    },
     "chai": {
       "version": "3.5.0",
       "resolved": "https://registry.npmjs.org/chai/-/chai-3.5.0.tgz",
@@ -116,14 +81,6 @@
         "is-generator": "^1.0.1"
       }
     },
-    "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": "2.15.1",
       "resolved": "https://registry.npmjs.org/commander/-/commander-2.15.1.tgz",
@@ -134,19 +91,6 @@
       "resolved": "https://registry.npmjs.org/concat-map/-/concat-map-0.0.1.tgz",
       "integrity": "sha1-2Klr13/Wjfd5OnMDajug1UBdR3s="
     },
-    "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="
-    },
-    "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",
@@ -170,32 +114,30 @@
         }
       }
     },
-    "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": "3.5.0",
       "resolved": "https://registry.npmjs.org/diff/-/diff-3.5.0.tgz",
       "integrity": "sha512-A46qtFgd+g7pDZinpnwiRJtxbC1hpgf0uzP3iG89scHk0AUC7A1TGxf5OiiOUv/JMZR8GOt8hL900hV0bOy5xA=="
     },
-    "ecc-jsbn": {
-      "version": "0.1.2",
-      "resolved": "https://registry.npmjs.org/ecc-jsbn/-/ecc-jsbn-0.1.2.tgz",
-      "integrity": "sha1-OoOpBOVDUyh4dMVkt1SThoSamMk=",
-      "optional": true,
+    "ecdsa-sig-formatter": {
+      "version": "1.0.11",
+      "resolved": "https://registry.npmjs.org/ecdsa-sig-formatter/-/ecdsa-sig-formatter-1.0.11.tgz",
+      "integrity": "sha512-nagl3RYrbNv6kQkeJIpt6NJZy8twLB/2vtz6yN9Z4vRKHN4/QZJIEbqohALSgwKdnksuY3k5Addp5lg8sVoVcQ==",
       "requires": {
-        "jsbn": "~0.1.0",
-        "safer-buffer": "^2.1.0"
+        "safe-buffer": "^5.0.1"
       }
     },
-    "ecdsa-sig-formatter": {
-      "version": "1.0.10",
-      "resolved": "https://registry.npmjs.org/ecdsa-sig-formatter/-/ecdsa-sig-formatter-1.0.10.tgz",
-      "integrity": "sha1-HFlQAPBKiJffuFAAiSoPTDOvhsM=",
+    "es6-promise": {
+      "version": "4.2.8",
+      "resolved": "https://registry.npmjs.org/es6-promise/-/es6-promise-4.2.8.tgz",
+      "integrity": "sha512-HJDGx5daxeIvxdBxvG2cb9g4tEvwIk3i8+nhX0yGrYmZUzbkdg8QbDevheDB8gd0//uPj4c1EQua8Q+MViT0/w=="
+    },
+    "es6-promisify": {
+      "version": "5.0.0",
+      "resolved": "https://registry.npmjs.org/es6-promisify/-/es6-promisify-5.0.0.tgz",
+      "integrity": "sha1-UQnWLz5W6pZ8S2NQWu8IKRyKUgM=",
       "requires": {
-        "safe-buffer": "^5.0.1"
+        "es6-promise": "^4.0.3"
       }
     },
     "escape-string-regexp": {
@@ -203,40 +145,20 @@
       "resolved": "https://registry.npmjs.org/escape-string-regexp/-/escape-string-regexp-1.0.5.tgz",
       "integrity": "sha1-G2HAViGQqN/2rjuyzwIAyhMLhtQ="
     },
+    "event-target-shim": {
+      "version": "5.0.1",
+      "resolved": "https://registry.npmjs.org/event-target-shim/-/event-target-shim-5.0.1.tgz",
+      "integrity": "sha512-i/2XbnSz/uxRCU6+NdVJgKWDTM427+MqYbkQzD321DuCQJUqOuJKIA0IM2+W2xtYHdKOmZ4dR6fExsd4SXL+WQ=="
+    },
     "extend": {
       "version": "3.0.2",
       "resolved": "https://registry.npmjs.org/extend/-/extend-3.0.2.tgz",
       "integrity": "sha512-fjquC59cD7CyW6urNXK0FBufkZcoiGG80wTuPujX590cB5Ttln20E2UB4S/WARVqhXffZl2LNgS+gQdPIIim/g=="
     },
-    "extsprintf": {
-      "version": "1.3.0",
-      "resolved": "https://registry.npmjs.org/extsprintf/-/extsprintf-1.3.0.tgz",
-      "integrity": "sha1-lpGEQOMEGnpBT4xS48V06zw+HgU="
-    },
-    "fast-deep-equal": {
-      "version": "1.1.0",
-      "resolved": "https://registry.npmjs.org/fast-deep-equal/-/fast-deep-equal-1.1.0.tgz",
-      "integrity": "sha1-wFNHeBfIa1HaqFPIHgWbcz0CNhQ="
-    },
-    "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="
-    },
-    "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": "^2.1.12"
-      }
+    "fast-text-encoding": {
+      "version": "1.0.3",
+      "resolved": "https://registry.npmjs.org/fast-text-encoding/-/fast-text-encoding-1.0.3.tgz",
+      "integrity": "sha512-dtm4QZH9nZtcDt8qJiOH9fcQd1NAgi+K1O2DbE6GG1PPCK/BWfOH3idCTRQ4ImXRUOyopDEgDEnVEE7Y/2Wrig=="
     },
     "formatio": {
       "version": "1.1.1",
@@ -251,12 +173,24 @@
       "resolved": "https://registry.npmjs.org/fs.realpath/-/fs.realpath-1.0.0.tgz",
       "integrity": "sha1-FQStJSMVjKpA20onh8sBQRmU6k8="
     },
-    "getpass": {
-      "version": "0.1.7",
-      "resolved": "https://registry.npmjs.org/getpass/-/getpass-0.1.7.tgz",
-      "integrity": "sha1-Xv+OPmhNVprkyysSgmBOi6YhSfo=",
+    "gaxios": {
+      "version": "1.8.4",
+      "resolved": "https://registry.npmjs.org/gaxios/-/gaxios-1.8.4.tgz",
+      "integrity": "sha512-BoENMnu1Gav18HcpV9IleMPZ9exM+AvUjrAOV4Mzs/vfz2Lu/ABv451iEXByKiMPn2M140uul1txXCg83sAENw==",
       "requires": {
-        "assert-plus": "^1.0.0"
+        "abort-controller": "^3.0.0",
+        "extend": "^3.0.2",
+        "https-proxy-agent": "^2.2.1",
+        "node-fetch": "^2.3.0"
+      }
+    },
+    "gcp-metadata": {
+      "version": "1.0.0",
+      "resolved": "https://registry.npmjs.org/gcp-metadata/-/gcp-metadata-1.0.0.tgz",
+      "integrity": "sha512-Q6HrgfrCQeEircnNP3rCcEgiDv7eF9+1B+1MMgpE190+/+0mjQR8PxeOaRgxZWmdDAF9EIryHB9g1moPiw1SbQ==",
+      "requires": {
+        "gaxios": "^1.0.2",
+        "json-bigint": "^0.3.0"
       }
     },
     "glob": {
@@ -273,32 +207,50 @@
       }
     },
     "google-auth-library": {
-      "version": "0.10.0",
-      "resolved": "https://registry.npmjs.org/google-auth-library/-/google-auth-library-0.10.0.tgz",
-      "integrity": "sha1-bhW6vuhf0d0U2NEoopW2g41SE24=",
+      "version": "3.1.2",
+      "resolved": "https://registry.npmjs.org/google-auth-library/-/google-auth-library-3.1.2.tgz",
+      "integrity": "sha512-cDQMzTotwyWMrg5jRO7q0A4TL/3GWBgO7I7q5xGKNiiFf9SmGY/OJ1YsLMgI2MVHHsEGyrqYnbnmV1AE+Z6DnQ==",
       "requires": {
-        "gtoken": "^1.2.1",
-        "jws": "^3.1.4",
-        "lodash.noop": "^3.0.1",
-        "request": "^2.74.0"
+        "base64-js": "^1.3.0",
+        "fast-text-encoding": "^1.0.0",
+        "gaxios": "^1.2.1",
+        "gcp-metadata": "^1.0.0",
+        "gtoken": "^2.3.2",
+        "https-proxy-agent": "^2.2.1",
+        "jws": "^3.1.5",
+        "lru-cache": "^5.0.0",
+        "semver": "^5.5.0"
       }
     },
     "google-p12-pem": {
-      "version": "0.1.2",
-      "resolved": "https://registry.npmjs.org/google-p12-pem/-/google-p12-pem-0.1.2.tgz",
-      "integrity": "sha1-M8RqsCGqc0+gMys5YKmj/8svMXc=",
+      "version": "1.0.4",
+      "resolved": "https://registry.npmjs.org/google-p12-pem/-/google-p12-pem-1.0.4.tgz",
+      "integrity": "sha512-SwLAUJqUfTB2iS+wFfSS/G9p7bt4eWcc2LyfvmUXe7cWp6p3mpxDo6LLI29MXdU6wvPcQ/up298X7GMC5ylAlA==",
       "requires": {
-        "node-forge": "^0.7.1"
+        "node-forge": "^0.8.0",
+        "pify": "^4.0.0"
       }
     },
     "googleapis": {
-      "version": "22.2.0",
-      "resolved": "https://registry.npmjs.org/googleapis/-/googleapis-22.2.0.tgz",
-      "integrity": "sha1-/XnDwm5+caT1ouwafaX7EV2IU9I=",
+      "version": "39.1.0",
+      "resolved": "https://registry.npmjs.org/googleapis/-/googleapis-39.1.0.tgz",
+      "integrity": "sha512-MRO9rW7izUIBZ4NJ67FNhBUw/Q3ki7hk149E9MhphJnLw1CStUAnm9nFD/IpNnx97qx2WBa7dLPjeXrJky6xlw==",
+      "requires": {
+        "google-auth-library": "^3.0.0",
+        "googleapis-common": "^0.7.0"
+      }
+    },
+    "googleapis-common": {
+      "version": "0.7.2",
+      "resolved": "https://registry.npmjs.org/googleapis-common/-/googleapis-common-0.7.2.tgz",
+      "integrity": "sha512-9DEJIiO4nS7nw0VE1YVkEfXEj8x8MxsuB+yZIpOBULFSN9OIKcUU8UuKgSZFU4lJmRioMfngktrbkMwWJcUhQg==",
       "requires": {
-        "async": "~2.3.0",
-        "google-auth-library": "~0.10.0",
-        "string-template": "~1.0.0"
+        "gaxios": "^1.2.2",
+        "google-auth-library": "^3.0.0",
+        "pify": "^4.0.0",
+        "qs": "^6.5.2",
+        "url-template": "^2.0.8",
+        "uuid": "^3.2.1"
       }
     },
     "growl": {
@@ -307,28 +259,15 @@
       "integrity": "sha512-qBr4OuELkhPenW6goKVXiv47US3clb3/IbuWF9KNKEijAy9oeHxU9IgzjvJhHkUzhaj7rOUD7+YGWqUjLp5oSA=="
     },
     "gtoken": {
-      "version": "1.2.3",
-      "resolved": "https://registry.npmjs.org/gtoken/-/gtoken-1.2.3.tgz",
-      "integrity": "sha512-wQAJflfoqSgMWrSBk9Fg86q+sd6s7y6uJhIvvIPz++RElGlMtEqsdAR2oWwZ/WTEtp7P9xFbJRrT976oRgzJ/w==",
+      "version": "2.3.3",
+      "resolved": "https://registry.npmjs.org/gtoken/-/gtoken-2.3.3.tgz",
+      "integrity": "sha512-EaB49bu/TCoNeQjhCYKI/CurooBKkGxIqFHsWABW0b25fobBYVTMe84A8EBVVZhl8emiUdNypil9huMOTmyAnw==",
       "requires": {
-        "google-p12-pem": "^0.1.0",
-        "jws": "^3.0.0",
-        "mime": "^1.4.1",
-        "request": "^2.72.0"
-      }
-    },
-    "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": "5.1.0",
-      "resolved": "https://registry.npmjs.org/har-validator/-/har-validator-5.1.0.tgz",
-      "integrity": "sha512-+qnmNjI4OfH2ipQ9VQOw23bBd/ibtfbVdK2fYbY4acTDqKTW/YDp9McimZdDbG8iV9fZizUqQMD5xvriB146TA==",
-      "requires": {
-        "ajv": "^5.3.0",
-        "har-schema": "^2.0.0"
+        "gaxios": "^1.0.4",
+        "google-p12-pem": "^1.0.0",
+        "jws": "^3.1.5",
+        "mime": "^2.2.0",
+        "pify": "^4.0.0"
       }
     },
     "has-flag": {
@@ -341,14 +280,13 @@
       "resolved": "https://registry.npmjs.org/he/-/he-1.1.1.tgz",
       "integrity": "sha1-k0EP0hsAlzUVH4howvJx80J+I/0="
     },
-    "http-signature": {
-      "version": "1.2.0",
-      "resolved": "https://registry.npmjs.org/http-signature/-/http-signature-1.2.0.tgz",
-      "integrity": "sha1-muzZJRFHcvPZW2WmCruPfBj7rOE=",
+    "https-proxy-agent": {
+      "version": "2.2.4",
+      "resolved": "https://registry.npmjs.org/https-proxy-agent/-/https-proxy-agent-2.2.4.tgz",
+      "integrity": "sha512-OmvfoQ53WLjtA9HeYP9RNrWMJzzAz1JGaSFr1nijg0PVR1JaD/xbJq1mdEIIlxGpXp9eSe/O2LgU9DJmTPd0Eg==",
       "requires": {
-        "assert-plus": "^1.0.0",
-        "jsprim": "^1.2.2",
-        "sshpk": "^1.7.0"
+        "agent-base": "^4.3.0",
+        "debug": "^3.1.0"
       }
     },
     "inflight": {
@@ -370,100 +308,51 @@
       "resolved": "https://registry.npmjs.org/is-generator/-/is-generator-1.0.3.tgz",
       "integrity": "sha1-wUwhBX7TbjKNuANHlmxpP4hjifM="
     },
-    "is-typedarray": {
-      "version": "1.0.0",
-      "resolved": "https://registry.npmjs.org/is-typedarray/-/is-typedarray-1.0.0.tgz",
-      "integrity": "sha1-5HnICFjfDBsR3dppQPlgEfzaSpo="
-    },
-    "isstream": {
-      "version": "0.1.2",
-      "resolved": "https://registry.npmjs.org/isstream/-/isstream-0.1.2.tgz",
-      "integrity": "sha1-R+Y/evVa+m+S4VAOaQ64uFKcCZo="
-    },
-    "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": {
+    "json-bigint": {
       "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="
-    },
-    "jsprim": {
-      "version": "1.4.1",
-      "resolved": "https://registry.npmjs.org/jsprim/-/jsprim-1.4.1.tgz",
-      "integrity": "sha1-MT5mvB5cwG5Di8G3SZwuXFastqI=",
+      "resolved": "https://registry.npmjs.org/json-bigint/-/json-bigint-0.3.1.tgz",
+      "integrity": "sha512-DGWnSzmusIreWlEupsUelHrhwmPPE+FiQvg+drKfk2p+bdEYa5mp4PJ8JsCWqae0M2jQNb0HPvnwvf1qOTThzQ==",
       "requires": {
-        "assert-plus": "1.0.0",
-        "extsprintf": "1.3.0",
-        "json-schema": "0.2.3",
-        "verror": "1.10.0"
+        "bignumber.js": "^9.0.0"
       }
     },
     "jwa": {
-      "version": "1.1.6",
-      "resolved": "https://registry.npmjs.org/jwa/-/jwa-1.1.6.tgz",
-      "integrity": "sha512-tBO/cf++BUsJkYql/kBbJroKOgHWEigTKBAjjBEmrMGYd1QMBC74Hr4Wo2zCZw6ZrVhlJPvoMrkcOnlWR/DJfw==",
+      "version": "1.4.1",
+      "resolved": "https://registry.npmjs.org/jwa/-/jwa-1.4.1.tgz",
+      "integrity": "sha512-qiLX/xhEEFKUAJ6FiBMbes3w9ATzyk5W7Hvzpa/SLYdxNtng+gcurvrI7TbACjIXlsJyr05/S1oUhZrc63evQA==",
       "requires": {
         "buffer-equal-constant-time": "1.0.1",
-        "ecdsa-sig-formatter": "1.0.10",
+        "ecdsa-sig-formatter": "1.0.11",
         "safe-buffer": "^5.0.1"
       }
     },
     "jws": {
-      "version": "3.1.5",
-      "resolved": "https://registry.npmjs.org/jws/-/jws-3.1.5.tgz",
-      "integrity": "sha512-GsCSexFADNQUr8T5HPJvayTjvPIfoyJPtLQBwn5a4WZQchcrPMPMAWcC1AzJVRDKyD6ZPROPAxgv6rfHViO4uQ==",
+      "version": "3.2.2",
+      "resolved": "https://registry.npmjs.org/jws/-/jws-3.2.2.tgz",
+      "integrity": "sha512-YHlZCB6lMTllWDtSPHz/ZXTsi8S00usEV6v1tjq8tOUZzw7DpSDWVXjXDre6ed1w/pd495ODpHZYSdkRTsa0HA==",
       "requires": {
-        "jwa": "^1.1.5",
+        "jwa": "^1.4.1",
         "safe-buffer": "^5.0.1"
       }
     },
-    "lodash": {
-      "version": "4.17.10",
-      "resolved": "https://registry.npmjs.org/lodash/-/lodash-4.17.10.tgz",
-      "integrity": "sha512-UejweD1pDoXu+AD825lWwp4ZGtSwgnpZxb3JDViD7StjQz+Nb/6l093lx4OQ0foGWNRoc19mWy7BzL+UAK2iVg=="
-    },
-    "lodash.noop": {
-      "version": "3.0.1",
-      "resolved": "https://registry.npmjs.org/lodash.noop/-/lodash.noop-3.0.1.tgz",
-      "integrity": "sha1-OBiPTWUKOkdCWEObluxFsyYXEzw="
-    },
     "lolex": {
       "version": "1.3.2",
       "resolved": "https://registry.npmjs.org/lolex/-/lolex-1.3.2.tgz",
       "integrity": "sha1-fD2mL/yzDw9agKJWbKJORdigHzE="
     },
-    "mime": {
-      "version": "1.6.0",
-      "resolved": "https://registry.npmjs.org/mime/-/mime-1.6.0.tgz",
-      "integrity": "sha512-x0Vn8spI+wuJ1O6S7gnbaQg8Pxh4NNHb7KSINmEWKiPE4RKOplvijn+NkmYmmRgP68mc70j2EbeTFRsrswaQeg=="
-    },
-    "mime-db": {
-      "version": "1.35.0",
-      "resolved": "https://registry.npmjs.org/mime-db/-/mime-db-1.35.0.tgz",
-      "integrity": "sha512-JWT/IcCTsB0Io3AhWUMjRqucrHSPsSf2xKLaRldJVULioggvkJvggZ3VXNNSRkCddE6D+BUI4HEIZIA2OjwIvg=="
-    },
-    "mime-types": {
-      "version": "2.1.19",
-      "resolved": "https://registry.npmjs.org/mime-types/-/mime-types-2.1.19.tgz",
-      "integrity": "sha512-P1tKYHVSZ6uFo26mtnve4HQFE3koh1UWVkp8YUC+ESBHe945xWSoXuHHiGarDqcEZ+whpCDnlNw5LON0kLo+sw==",
+    "lru-cache": {
+      "version": "5.1.1",
+      "resolved": "https://registry.npmjs.org/lru-cache/-/lru-cache-5.1.1.tgz",
+      "integrity": "sha512-KpNARQA3Iwv+jTA0utUVVbrh+Jlrr1Fv0e56GGzAFOXN7dk/FviaDW8LHmK52DlcH4WP2n6gI8vN1aesBFgo9w==",
       "requires": {
-        "mime-db": "~1.35.0"
+        "yallist": "^3.0.2"
       }
     },
+    "mime": {
+      "version": "2.5.2",
+      "resolved": "https://registry.npmjs.org/mime/-/mime-2.5.2.tgz",
+      "integrity": "sha512-tqkh47FzKeCPD2PUiPB6pkbMzsCasjxAfC62/Wap5qrUWcb+sFasXUC5I3gYM5iBM8v/Qpn4UK0x+j0iHyFPDg=="
+    },
     "minimatch": {
       "version": "3.0.4",
       "resolved": "https://registry.npmjs.org/minimatch/-/minimatch-3.0.4.tgz",
@@ -508,15 +397,15 @@
       "resolved": "https://registry.npmjs.org/ms/-/ms-2.0.0.tgz",
       "integrity": "sha1-VgiurfwAvmwpAd9fmGF4jeDVl8g="
     },
-    "node-forge": {
-      "version": "0.7.5",
-      "resolved": "https://registry.npmjs.org/node-forge/-/node-forge-0.7.5.tgz",
-      "integrity": "sha512-MmbQJ2MTESTjt3Gi/3yG1wGpIMhUfcIypUCGtTizFR9IiccFwxSpfp0vtIZlkFclEqERemxfnSdZEMR9VqqEFQ=="
+    "node-fetch": {
+      "version": "2.6.1",
+      "resolved": "https://registry.npmjs.org/node-fetch/-/node-fetch-2.6.1.tgz",
+      "integrity": "sha512-V4aYg89jEoVRxRb2fJdAg8FHvI7cEyYdVAh94HH0UIK8oJxUfkjlDQN9RbMx+bEjP7+ggMiFRprSti032Oipxw=="
     },
-    "oauth-sign": {
-      "version": "0.9.0",
-      "resolved": "https://registry.npmjs.org/oauth-sign/-/oauth-sign-0.9.0.tgz",
-      "integrity": "sha512-fexhUFFPTGV8ybAtSIGbV6gOkSv8UtRbDBnAyLQw4QPKkgNlsH2ByPGtMUqdWkos6YCRmAqViwgZrJc/mRDzZQ=="
+    "node-forge": {
+      "version": "0.8.5",
+      "resolved": "https://registry.npmjs.org/node-forge/-/node-forge-0.8.5.tgz",
+      "integrity": "sha512-vFMQIWt+J/7FLNyKouZ9TazT74PRV3wgv9UT4cRjC8BffxFbKXkgIWR42URCPSnHm/QDz6BOlb2Q0U4+VQT67Q=="
     },
     "once": {
       "version": "1.4.0",
@@ -531,68 +420,31 @@
       "resolved": "https://registry.npmjs.org/path-is-absolute/-/path-is-absolute-1.0.1.tgz",
       "integrity": "sha1-F0uSaHNVNP+8es5r9TpanhtcX18="
     },
-    "performance-now": {
-      "version": "2.1.0",
-      "resolved": "https://registry.npmjs.org/performance-now/-/performance-now-2.1.0.tgz",
-      "integrity": "sha1-Ywn04OX6kT7BxpMHrjZLSzd8nns="
-    },
-    "psl": {
-      "version": "1.1.29",
-      "resolved": "https://registry.npmjs.org/psl/-/psl-1.1.29.tgz",
-      "integrity": "sha512-AeUmQ0oLN02flVHXWh9sSJF7mcdFq0ppid/JkErufc3hGIV/AMa8Fo9VgDo/cT2jFdOWoFvHp90qqBH54W+gjQ=="
-    },
-    "punycode": {
-      "version": "1.4.1",
-      "resolved": "https://registry.npmjs.org/punycode/-/punycode-1.4.1.tgz",
-      "integrity": "sha1-wNWmOycYgArY4esPpSachN1BhF4="
+    "pify": {
+      "version": "4.0.1",
+      "resolved": "https://registry.npmjs.org/pify/-/pify-4.0.1.tgz",
+      "integrity": "sha512-uB80kBFb/tfd68bVleG9T5GGsGPjJrLAUpR5PZIrhBnIaRTQRjqdJSsIKkOP6OAIFbj7GOrcudc5pNjZ+geV2g=="
     },
     "qs": {
-      "version": "6.5.2",
-      "resolved": "https://registry.npmjs.org/qs/-/qs-6.5.2.tgz",
-      "integrity": "sha512-N5ZAX4/LxJmF+7wN74pUD6qAh9/wnvdQcjq9TZjevvXzSUo7bfmw91saqMjzGS2xq91/odN2dW/WOl7qQHNDGA=="
-    },
-    "request": {
-      "version": "2.88.0",
-      "resolved": "https://registry.npmjs.org/request/-/request-2.88.0.tgz",
-      "integrity": "sha512-NAqBSrijGLZdM0WZNsInLJpkJokL72XYjUpnB0iwsRgxh7dB6COrHnTBNwN0E+lHDAJzu7kLAkDeY08z2/A0hg==",
-      "requires": {
-        "aws-sign2": "~0.7.0",
-        "aws4": "^1.8.0",
-        "caseless": "~0.12.0",
-        "combined-stream": "~1.0.6",
-        "extend": "~3.0.2",
-        "forever-agent": "~0.6.1",
-        "form-data": "~2.3.2",
-        "har-validator": "~5.1.0",
-        "http-signature": "~1.2.0",
-        "is-typedarray": "~1.0.0",
-        "isstream": "~0.1.2",
-        "json-stringify-safe": "~5.0.1",
-        "mime-types": "~2.1.19",
-        "oauth-sign": "~0.9.0",
-        "performance-now": "^2.1.0",
-        "qs": "~6.5.2",
-        "safe-buffer": "^5.1.2",
-        "tough-cookie": "~2.4.3",
-        "tunnel-agent": "^0.6.0",
-        "uuid": "^3.3.2"
-      }
+      "version": "6.9.6",
+      "resolved": "https://registry.npmjs.org/qs/-/qs-6.9.6.tgz",
+      "integrity": "sha512-TIRk4aqYLNoJUbd+g2lEdz5kLWIuTMRagAXxl78Q0RiVjAOugHmeKNGdd3cwo/ktpf9aL9epCfFqWDEKysUlLQ=="
     },
     "safe-buffer": {
-      "version": "5.1.2",
-      "resolved": "https://registry.npmjs.org/safe-buffer/-/safe-buffer-5.1.2.tgz",
-      "integrity": "sha512-Gd2UZBJDkXlY7GbJxfsE8/nvKkUEU1G38c1siN6QP6a9PT9MmHB8GnpscSmMJSoF8LOIrt8ud/wPtojys4G6+g=="
-    },
-    "safer-buffer": {
-      "version": "2.1.2",
-      "resolved": "https://registry.npmjs.org/safer-buffer/-/safer-buffer-2.1.2.tgz",
-      "integrity": "sha512-YZo3K82SD7Riyi0E1EQPojLz7kpepnSQI9IyPbHHg1XXXevb5dJI7tpyN2ADxGcQbHG7vcyRHk0cbwqcQriUtg=="
+      "version": "5.2.1",
+      "resolved": "https://registry.npmjs.org/safe-buffer/-/safe-buffer-5.2.1.tgz",
+      "integrity": "sha512-rp3So07KcdmmKbGvgaNxQSJr7bGVSVk5S9Eq1F+ppbRo70+YeaDxkw5Dd8NPN+GD6bjnYm2VuPuCXmpuYvmCXQ=="
     },
     "samsam": {
       "version": "1.1.2",
       "resolved": "https://registry.npmjs.org/samsam/-/samsam-1.1.2.tgz",
       "integrity": "sha1-vsEf3IOp/aBjQBIQ5AF2wwJNFWc="
     },
+    "semver": {
+      "version": "5.7.1",
+      "resolved": "https://registry.npmjs.org/semver/-/semver-5.7.1.tgz",
+      "integrity": "sha512-sauaDf/PZdVgrLTNYHRtpXa1iRiKcaebiKQ1BJdpQlWH2lCvexQdX55snPFyK7QzpudqbCI0qXFfOasHdyNDGQ=="
+    },
     "sinon": {
       "version": "1.17.4",
       "resolved": "https://registry.npmjs.org/sinon/-/sinon-1.17.4.tgz",
@@ -609,27 +461,6 @@
       "resolved": "https://registry.npmjs.org/sinon-chai/-/sinon-chai-2.8.0.tgz",
       "integrity": "sha1-Qyqbv9Uab8AHmPTSUmqCnAYGh6w="
     },
-    "sshpk": {
-      "version": "1.14.2",
-      "resolved": "https://registry.npmjs.org/sshpk/-/sshpk-1.14.2.tgz",
-      "integrity": "sha1-xvxhZIo9nE52T9P8306hBeSSupg=",
-      "requires": {
-        "asn1": "~0.2.3",
-        "assert-plus": "^1.0.0",
-        "bcrypt-pbkdf": "^1.0.0",
-        "dashdash": "^1.12.0",
-        "ecc-jsbn": "~0.1.1",
-        "getpass": "^0.1.1",
-        "jsbn": "~0.1.0",
-        "safer-buffer": "^2.0.2",
-        "tweetnacl": "~0.14.0"
-      }
-    },
-    "string-template": {
-      "version": "1.0.0",
-      "resolved": "https://registry.npmjs.org/string-template/-/string-template-1.0.0.tgz",
-      "integrity": "sha1-np8iM9wA8hhxjsN5oopWc+zKi5Y="
-    },
     "supports-color": {
       "version": "5.4.0",
       "resolved": "https://registry.npmjs.org/supports-color/-/supports-color-5.4.0.tgz",
@@ -638,34 +469,16 @@
         "has-flag": "^3.0.0"
       }
     },
-    "tough-cookie": {
-      "version": "2.4.3",
-      "resolved": "https://registry.npmjs.org/tough-cookie/-/tough-cookie-2.4.3.tgz",
-      "integrity": "sha512-Q5srk/4vDM54WJsJio3XNn6K2sCG+CQ8G5Wz6bZhRZoAe/+TxjWB/GlFAnYEbkYVlON9FMk/fE3h2RLpPXo4lQ==",
-      "requires": {
-        "psl": "^1.1.24",
-        "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": "^5.0.1"
-      }
-    },
-    "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-detect": {
       "version": "1.0.0",
       "resolved": "https://registry.npmjs.org/type-detect/-/type-detect-1.0.0.tgz",
       "integrity": "sha1-diIXzAbbJY7EiQihKY6LlRIejqI="
     },
+    "url-template": {
+      "version": "2.0.8",
+      "resolved": "https://registry.npmjs.org/url-template/-/url-template-2.0.8.tgz",
+      "integrity": "sha1-/FZaPMy/93MMd19WQflVV5FDnyE="
+    },
     "util": {
       "version": "0.11.0",
       "resolved": "https://registry.npmjs.org/util/-/util-0.11.0.tgz",
@@ -675,24 +488,19 @@
       }
     },
     "uuid": {
-      "version": "3.3.2",
-      "resolved": "https://registry.npmjs.org/uuid/-/uuid-3.3.2.tgz",
-      "integrity": "sha512-yXJmeNaw3DnnKAOKJE51sL/ZaYfWJRl1pK9dr19YFCu0ObS231AB1/LbqTKRAQ5kw8A90rA6fr4riOUpTZvQZA=="
-    },
-    "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": "^1.2.0"
-      }
+      "version": "3.4.0",
+      "resolved": "https://registry.npmjs.org/uuid/-/uuid-3.4.0.tgz",
+      "integrity": "sha512-HjSDRw6gZE5JMggctHBcjVak08+KEVhSIiDzFnT9S9aegmp85S/bReBVTb4QTFaRNptJ9kuYaNhnbNEOkbKb/A=="
     },
     "wrappy": {
       "version": "1.0.2",
       "resolved": "https://registry.npmjs.org/wrappy/-/wrappy-1.0.2.tgz",
       "integrity": "sha1-tSQ9jz7BqjXxNkYFvA0QNuMKtp8="
+    },
+    "yallist": {
+      "version": "3.1.1",
+      "resolved": "https://registry.npmjs.org/yallist/-/yallist-3.1.1.tgz",
+      "integrity": "sha512-a4UGQaWPH59mOXUYnAG2ewncQS4i4F43Tv3JoAM+s2VDAmS9NsK8GpDMLrCHPksFT7h3K6TOoUNn2pb7RoXx4g=="
     }
   }
 }
diff --git a/cloud-function/package.json b/cloud-function/package.json
old mode 100755
new mode 100644
index 8761e4a..3d40571
--- a/cloud-function/package.json
+++ b/cloud-function/package.json
@@ -5,7 +5,7 @@
   "license": "MIT",
   "devDependencies": {},
   "dependencies": {
-    "googleapis": "^22.2.0",
+    "googleapis": "^39.1.0",
     "chai": "3.5.0",
     "co-mocha": "1.2.2",
     "sinon": "1.17.4",