diff --git a/CONTRIBUTING.md b/CONTRIBUTING.md
index 7e6d025..24424dd 100644
--- a/CONTRIBUTING.md
+++ b/CONTRIBUTING.md
@@ -16,13 +16,12 @@ We encourage pull requests and other contributions from the community. Before su
 
 The project uses `npm`, which is bundled in all supported versions of Node.
 
-### Building
+### Setup
 
-To build, from the project root directory:
+To install project dependencies, from the project root directory:
 
 ```
 npm install
-npm run build
 ```
 
 ### Testing
diff --git a/package-lock.json b/package-lock.json
index d841c3b..ea191b0 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -1362,14 +1362,14 @@
       "dev": true
     },
     "ajv": {
-      "version": "5.5.2",
-      "resolved": "https://registry.npmjs.org/ajv/-/ajv-5.5.2.tgz",
-      "integrity": "sha1-c7Xuyj+rZT49P5Qis0GtQiBdyWU=",
+      "version": "6.10.0",
+      "resolved": "https://registry.npmjs.org/ajv/-/ajv-6.10.0.tgz",
+      "integrity": "sha512-nffhOpkymDECQyR0mnsUtoCE8RlX38G0rYP+wgLWFyZuUyuuojSSvi/+euOiQBIn63whYwYVIIH1TvE3tu4OEg==",
       "requires": {
-        "co": "^4.6.0",
-        "fast-deep-equal": "^1.0.0",
+        "fast-deep-equal": "^2.0.1",
         "fast-json-stable-stringify": "^2.0.0",
-        "json-schema-traverse": "^0.3.0"
+        "json-schema-traverse": "^0.4.1",
+        "uri-js": "^4.2.2"
       }
     },
     "ansi-escapes": {
@@ -1495,9 +1495,9 @@
       "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="
+      "version": "1.8.0",
+      "resolved": "https://registry.npmjs.org/aws4/-/aws4-1.8.0.tgz",
+      "integrity": "sha512-ReZxvNHIOv88FlT7rxcXIIC0fPt4KZqZbOlivyWtXLt8ESx84zd3kMC6iK5jVeS2qt+g7ftS7ye4fi06X5rtRQ=="
     },
     "babel-jest": {
       "version": "24.7.1",
@@ -1617,7 +1617,6 @@
       "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"
       }
@@ -1838,7 +1837,8 @@
     "co": {
       "version": "4.6.0",
       "resolved": "https://registry.npmjs.org/co/-/co-4.6.0.tgz",
-      "integrity": "sha1-bqa989hTrlTMuOR7+gvz+QMfsYQ="
+      "integrity": "sha1-bqa989hTrlTMuOR7+gvz+QMfsYQ=",
+      "dev": true
     },
     "code-point-at": {
       "version": "1.1.0",
@@ -1877,9 +1877,9 @@
       "integrity": "sha1-BDP0TYCWgP3rYO0mDxsMJi6CpAs="
     },
     "combined-stream": {
-      "version": "1.0.5",
-      "resolved": "https://registry.npmjs.org/combined-stream/-/combined-stream-1.0.5.tgz",
-      "integrity": "sha1-k4NwpXtKUd6ix3wV1cX9+JUWQAk=",
+      "version": "1.0.8",
+      "resolved": "https://registry.npmjs.org/combined-stream/-/combined-stream-1.0.8.tgz",
+      "integrity": "sha512-FQN4MRfuJeHf7cBbBMJFXhKSDq+2kAArBlmRBvcvFE5BB1HZKXtSFASDhdlz9zOYwxh8lDdnvmMOe/+5cdoEdg==",
       "requires": {
         "delayed-stream": "~1.0.0"
       }
@@ -2178,7 +2178,6 @@
       "version": "0.1.2",
       "resolved": "https://registry.npmjs.org/ecc-jsbn/-/ecc-jsbn-0.1.2.tgz",
       "integrity": "sha1-OoOpBOVDUyh4dMVkt1SThoSamMk=",
-      "optional": true,
       "requires": {
         "jsbn": "~0.1.0",
         "safer-buffer": "^2.1.0"
@@ -2359,9 +2358,9 @@
       }
     },
     "extend": {
-      "version": "3.0.1",
-      "resolved": "https://registry.npmjs.org/extend/-/extend-3.0.1.tgz",
-      "integrity": "sha1-p1Xqe8Gt/MWjHOfnYtuq3F5jZEQ="
+      "version": "3.0.2",
+      "resolved": "https://registry.npmjs.org/extend/-/extend-3.0.2.tgz",
+      "integrity": "sha512-fjquC59cD7CyW6urNXK0FBufkZcoiGG80wTuPujX590cB5Ttln20E2UB4S/WARVqhXffZl2LNgS+gQdPIIim/g=="
     },
     "extend-shallow": {
       "version": "3.0.2",
@@ -2460,9 +2459,9 @@
       "integrity": "sha1-Ys8SAjTGg3hdkCNIqADvPgzCC8A="
     },
     "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="
+      "version": "2.0.1",
+      "resolved": "https://registry.npmjs.org/fast-deep-equal/-/fast-deep-equal-2.0.1.tgz",
+      "integrity": "sha1-ewUhjd+WZ79/Nwv3/bLLFf3Qqkk="
     },
     "fast-json-stable-stringify": {
       "version": "2.0.0",
@@ -2528,23 +2527,13 @@
       "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=",
+      "version": "2.3.3",
+      "resolved": "https://registry.npmjs.org/form-data/-/form-data-2.3.3.tgz",
+      "integrity": "sha512-1lLKB2Mu3aGP1Q/2eCOx0fNbRMe7XdwktwOruhfqqd0rIJWwN4Dh+E3hrPSlDCXnSR7UtZ1N38rVXm+6+MEhJQ==",
       "requires": {
         "asynckit": "^0.4.0",
-        "combined-stream": "1.0.6",
+        "combined-stream": "^1.0.6",
         "mime-types": "^2.1.12"
-      },
-      "dependencies": {
-        "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"
-          }
-        }
       }
     },
     "fragment-cache": {
@@ -3220,11 +3209,11 @@
       "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=",
+      "version": "5.1.3",
+      "resolved": "https://registry.npmjs.org/har-validator/-/har-validator-5.1.3.tgz",
+      "integrity": "sha512-sNvOCzEQNr/qrvJgc3UG/kD4QtlHycrzwS+6mfTrrSq97BvaYcPZZI1ZSqGSPR73Cxn4LKTD4PttRwfU7jWq5g==",
       "requires": {
-        "ajv": "^5.1.0",
+        "ajv": "^6.5.5",
         "har-schema": "^2.0.0"
       }
     },
@@ -4204,8 +4193,7 @@
     "jsbn": {
       "version": "0.1.1",
       "resolved": "https://registry.npmjs.org/jsbn/-/jsbn-0.1.1.tgz",
-      "integrity": "sha1-peZUwuWi3rXyAdls77yoDA7y9RM=",
-      "optional": true
+      "integrity": "sha1-peZUwuWi3rXyAdls77yoDA7y9RM="
     },
     "jsdom": {
       "version": "11.12.0",
@@ -4277,9 +4265,9 @@
       "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="
+      "version": "0.4.1",
+      "resolved": "https://registry.npmjs.org/json-schema-traverse/-/json-schema-traverse-0.4.1.tgz",
+      "integrity": "sha512-xbbCH5dCYU5T8LcEhhuh7HJ88HXuW3qsI3Y0zOZFKfZEHcpWiHU/Jxzk629Brsab/mMiHQti9wMP+845RPe3Vg=="
     },
     "json-stringify-safe": {
       "version": "5.0.1",
@@ -4520,16 +4508,16 @@
       }
     },
     "mime-db": {
-      "version": "1.30.0",
-      "resolved": "https://registry.npmjs.org/mime-db/-/mime-db-1.30.0.tgz",
-      "integrity": "sha1-dMZD2i3Z1qRTmZY0ZbJtXKfXHwE="
+      "version": "1.40.0",
+      "resolved": "https://registry.npmjs.org/mime-db/-/mime-db-1.40.0.tgz",
+      "integrity": "sha512-jYdeOMPy9vnxEqFRRo6ZvTZ8d9oPb+k18PKoYNYUe2stVEBPPwsln/qWzdbmaIvnhZ9v2P+CuecK+fpUfsV2mA=="
     },
     "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=",
+      "version": "2.1.24",
+      "resolved": "https://registry.npmjs.org/mime-types/-/mime-types-2.1.24.tgz",
+      "integrity": "sha512-WaFHS3MCl5fapm3oLxU4eYDw77IQM2ACcxQ9RIxfaC3ooc6PFuBMGZZsYpvoXS5D5QTWPieo1jjLdAm3TBP3cQ==",
       "requires": {
-        "mime-db": "~1.30.0"
+        "mime-db": "1.40.0"
       }
     },
     "mimic-fn": {
@@ -4764,9 +4752,9 @@
       "dev": true
     },
     "oauth-sign": {
-      "version": "0.8.2",
-      "resolved": "https://registry.npmjs.org/oauth-sign/-/oauth-sign-0.8.2.tgz",
-      "integrity": "sha1-Rqarfwrq2N6unsBWV4C31O/rnUM="
+      "version": "0.9.0",
+      "resolved": "https://registry.npmjs.org/oauth-sign/-/oauth-sign-0.9.0.tgz",
+      "integrity": "sha512-fexhUFFPTGV8ybAtSIGbV6gOkSv8UtRbDBnAyLQw4QPKkgNlsH2ByPGtMUqdWkos6YCRmAqViwgZrJc/mRDzZQ=="
     },
     "object-copy": {
       "version": "0.1.0",
@@ -5110,8 +5098,7 @@
     "psl": {
       "version": "1.1.31",
       "resolved": "https://registry.npmjs.org/psl/-/psl-1.1.31.tgz",
-      "integrity": "sha512-/6pt4+C+T+wZUieKR620OpzN/LlnNKuWjy1iFLQ/UG35JqHlR/89MP1d96dUfkf6Dne3TuLQzOYEYshJ+Hx8mw==",
-      "dev": true
+      "integrity": "sha512-/6pt4+C+T+wZUieKR620OpzN/LlnNKuWjy1iFLQ/UG35JqHlR/89MP1d96dUfkf6Dne3TuLQzOYEYshJ+Hx8mw=="
     },
     "pump": {
       "version": "3.0.0",
@@ -5131,7 +5118,8 @@
     "qs": {
       "version": "6.5.1",
       "resolved": "https://registry.npmjs.org/qs/-/qs-6.5.1.tgz",
-      "integrity": "sha512-eRzhrN1WSINYCDCbrz796z37LOe3m5tmW7RQf6oBntukAG1nmovJvhnwHHRMAfeoItc1m2Hk02WER2aQ/iqs+A=="
+      "integrity": "sha512-eRzhrN1WSINYCDCbrz796z37LOe3m5tmW7RQf6oBntukAG1nmovJvhnwHHRMAfeoItc1m2Hk02WER2aQ/iqs+A==",
+      "dev": true
     },
     "react-is": {
       "version": "16.8.6",
@@ -5263,30 +5251,51 @@
       "dev": true
     },
     "request": {
-      "version": "2.87.0",
-      "resolved": "https://registry.npmjs.org/request/-/request-2.87.0.tgz",
-      "integrity": "sha512-fcogkm7Az5bsS6Sl0sibkbhcKsnyon/jV1kF3ajGmF0c8HrttdKTPRT9hieOaQHA5HEq6r8OyWOo/o781C1tNw==",
+      "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": "^1.6.0",
+        "aws4": "^1.8.0",
         "caseless": "~0.12.0",
-        "combined-stream": "~1.0.5",
-        "extend": "~3.0.1",
+        "combined-stream": "~1.0.6",
+        "extend": "~3.0.2",
         "forever-agent": "~0.6.1",
-        "form-data": "~2.3.1",
-        "har-validator": "~5.0.3",
+        "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": "~2.1.17",
-        "oauth-sign": "~0.8.2",
+        "mime-types": "~2.1.19",
+        "oauth-sign": "~0.9.0",
         "performance-now": "^2.1.0",
-        "qs": "~6.5.1",
-        "safe-buffer": "^5.1.1",
-        "tough-cookie": "~2.3.3",
+        "qs": "~6.5.2",
+        "safe-buffer": "^5.1.2",
+        "tough-cookie": "~2.4.3",
         "tunnel-agent": "^0.6.0",
-        "uuid": "^3.1.0"
+        "uuid": "^3.3.2"
+      },
+      "dependencies": {
+        "qs": {
+          "version": "6.5.2",
+          "resolved": "https://registry.npmjs.org/qs/-/qs-6.5.2.tgz",
+          "integrity": "sha512-N5ZAX4/LxJmF+7wN74pUD6qAh9/wnvdQcjq9TZjevvXzSUo7bfmw91saqMjzGS2xq91/odN2dW/WOl7qQHNDGA=="
+        },
+        "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=="
+        },
+        "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"
+          }
+        }
       }
     },
     "request-etag": {
@@ -5721,9 +5730,9 @@
       }
     },
     "sshpk": {
-      "version": "1.14.2",
-      "resolved": "https://registry.npmjs.org/sshpk/-/sshpk-1.14.2.tgz",
-      "integrity": "sha1-xvxhZIo9nE52T9P8306hBeSSupg=",
+      "version": "1.16.1",
+      "resolved": "https://registry.npmjs.org/sshpk/-/sshpk-1.16.1.tgz",
+      "integrity": "sha512-HXXqVUq7+pcKeLqqZj6mHFUMvXtOJt1uoUx09pFW6011inTMxqI8BA8PM95myrIyyKwdnzjdFjLiE6KBPVtJIg==",
       "requires": {
         "asn1": "~0.2.3",
         "assert-plus": "^1.0.0",
@@ -5958,6 +5967,7 @@
       "version": "2.3.3",
       "resolved": "https://registry.npmjs.org/tough-cookie/-/tough-cookie-2.3.3.tgz",
       "integrity": "sha1-C2GKVWW23qkL80JdBNVe3EdadWE=",
+      "dev": true,
       "requires": {
         "punycode": "^1.4.1"
       }
@@ -6001,8 +6011,7 @@
     "tweetnacl": {
       "version": "0.14.5",
       "resolved": "https://registry.npmjs.org/tweetnacl/-/tweetnacl-0.14.5.tgz",
-      "integrity": "sha1-WuaBd/GS1EViadEIr6k/+HQ/T2Q=",
-      "optional": true
+      "integrity": "sha1-WuaBd/GS1EViadEIr6k/+HQ/T2Q="
     },
     "type-check": {
       "version": "0.3.2",
@@ -6217,6 +6226,21 @@
         }
       }
     },
+    "uri-js": {
+      "version": "4.2.2",
+      "resolved": "https://registry.npmjs.org/uri-js/-/uri-js-4.2.2.tgz",
+      "integrity": "sha512-KY9Frmirql91X2Qgjry0Wd4Y+YTdrdZheS8TFwvkbLWf/G5KNJDCh6pKL5OZctEW4+0Baa5idK2ZQuELRwPznQ==",
+      "requires": {
+        "punycode": "^2.1.0"
+      },
+      "dependencies": {
+        "punycode": {
+          "version": "2.1.1",
+          "resolved": "https://registry.npmjs.org/punycode/-/punycode-2.1.1.tgz",
+          "integrity": "sha512-XRsRjdf+j5ml+y/6GKHPZbrF/8p2Yga0JPtdqTIY2Xe5ohJPD9saDJJLPvp9+NSBprVvevdXZybnj2cv8OEd0A=="
+        }
+      }
+    },
     "urix": {
       "version": "0.1.0",
       "resolved": "https://registry.npmjs.org/urix/-/urix-0.1.0.tgz",
@@ -6246,9 +6270,9 @@
       }
     },
     "uuid": {
-      "version": "3.1.0",
-      "resolved": "https://registry.npmjs.org/uuid/-/uuid-3.1.0.tgz",
-      "integrity": "sha512-DIWtzUkw04M4k3bf1IcpS2tngXEL26YUD2M0tMDUpnUrz2hgzUBlD55a4FjdLGPvfHxS6uluGWvaVEqgBcVa+g=="
+      "version": "3.3.2",
+      "resolved": "https://registry.npmjs.org/uuid/-/uuid-3.3.2.tgz",
+      "integrity": "sha512-yXJmeNaw3DnnKAOKJE51sL/ZaYfWJRl1pK9dr19YFCu0ObS231AB1/LbqTKRAQ5kw8A90rA6fr4riOUpTZvQZA=="
     },
     "validate-npm-package-license": {
       "version": "3.0.4",
diff --git a/package.json b/package.json
index 2890d96..f9930e8 100644
--- a/package.json
+++ b/package.json
@@ -30,7 +30,7 @@
     "node-cache": "^3.2.1",
     "node-sha1": "0.0.1",
     "redis": "^2.6.0-2",
-    "request": "2.87.0",
+    "request": "2.88.0",
     "request-etag": "^2.0.3",
     "semver": "5.5.0",
     "tunnel": "0.0.6",