diff --git a/package-lock.json b/package-lock.json
index 7d48ce0..b427fcf 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -68,6 +68,7 @@
       "version": "4.2.0",
       "resolved": "https://registry.npmjs.org/agent-base/-/agent-base-4.2.0.tgz",
       "integrity": "sha512-c+R/U5X+2zz2+UCrCFv6odQzJdoqI+YecuhnAJLa1zYaMc13zPfwMwZrr91Pd1DYNo/yPRbiM4WVf9whgwFsIg==",
+      "optional": true,
       "requires": {
         "es6-promisify": "^5.0.0"
       }
@@ -318,6 +319,7 @@
       "version": "2.10.1",
       "resolved": "https://registry.npmjs.org/boom/-/boom-2.10.1.tgz",
       "integrity": "sha1-OciRjO/1eZ+D+UkqhI9iWt0Mdm8=",
+      "optional": true,
       "requires": {
         "hoek": "2.x.x"
       }
@@ -375,7 +377,8 @@
     "buffer-more-ints": {
       "version": "0.0.2",
       "resolved": "https://registry.npmjs.org/buffer-more-ints/-/buffer-more-ints-0.0.2.tgz",
-      "integrity": "sha1-JrOIXRD6E9t/wBquOquHAZngEkw="
+      "integrity": "sha1-JrOIXRD6E9t/wBquOquHAZngEkw=",
+      "optional": true
     },
     "buildmail": {
       "version": "4.0.1",
@@ -1155,7 +1158,8 @@
     "esprima": {
       "version": "3.1.3",
       "resolved": "https://registry.npmjs.org/esprima/-/esprima-3.1.3.tgz",
-      "integrity": "sha1-/cpRzuYTOJXjyI1TXOSdv/YqRjM="
+      "integrity": "sha1-/cpRzuYTOJXjyI1TXOSdv/YqRjM=",
+      "optional": true
     },
     "esrecurse": {
       "version": "4.2.1",
@@ -1749,7 +1753,8 @@
     "hoek": {
       "version": "2.16.3",
       "resolved": "https://registry.npmjs.org/hoek/-/hoek-2.16.3.tgz",
-      "integrity": "sha1-ILt0A9POo5jpHcRxCo/xuCdKJe0="
+      "integrity": "sha1-ILt0A9POo5jpHcRxCo/xuCdKJe0=",
+      "optional": true
     },
     "hpkp": {
       "version": "1.1.0",
@@ -1826,6 +1831,7 @@
       "version": "2.1.0",
       "resolved": "https://registry.npmjs.org/http-proxy-agent/-/http-proxy-agent-2.1.0.tgz",
       "integrity": "sha512-qwHbBLV7WviBl0rQsOzH6o5lwyOIvwp/BdFnvVxXORldu5TmjFfjzBcWUWS5kWAZhmv+JtiDhSuQCp4sBfbIgg==",
+      "optional": true,
       "requires": {
         "agent-base": "4",
         "debug": "3.1.0"
@@ -1835,6 +1841,7 @@
           "version": "3.1.0",
           "resolved": "https://registry.npmjs.org/debug/-/debug-3.1.0.tgz",
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+          "optional": true,
           "requires": {
             "ms": "2.0.0"
           }
@@ -1881,6 +1888,7 @@
       "version": "2.2.1",
       "resolved": "https://registry.npmjs.org/https-proxy-agent/-/https-proxy-agent-2.2.1.tgz",
       "integrity": "sha512-HPCTS1LW51bcyMYbxUIOO4HEOlQ1/1qRaFWcyxvwaqUS9TY88aoEuHUY33kuAh1YhVVaDQhLZsnPd+XNARWZlQ==",
+      "optional": true,
       "requires": {
         "agent-base": "^4.1.0",
         "debug": "^3.1.0"
@@ -1890,6 +1898,7 @@
           "version": "3.1.0",
           "resolved": "https://registry.npmjs.org/debug/-/debug-3.1.0.tgz",
           "integrity": "sha512-OX8XqP7/1a9cqkxYw2yXss15f26NKWBpDXQd0/uK/KPqdQhxbPa994hnzjcE2VqQpDslf55723cKPUOGSmMY3g==",
+          "optional": true,
           "requires": {
             "ms": "2.0.0"
           }
@@ -2740,11 +2749,11 @@
           }
         },
         "msgpack5": {
-          "version": "4.2.0",
-          "resolved": "https://registry.npmjs.org/msgpack5/-/msgpack5-4.2.0.tgz",
-          "integrity": "sha512-tQkRlwO4f3/E8Kq5qm6PcVw+J+K4+U/XNqeD9Ebo1qVsrjkcKb2FfmdtuuIslw42CGT+K3ZVKAvKfSPp3QRplQ==",
+          "version": "4.5.1",
+          "resolved": "https://registry.npmjs.org/msgpack5/-/msgpack5-4.5.1.tgz",
+          "integrity": "sha512-zC1vkcliryc4JGlL6OfpHumSYUHWFGimSI+OgfRCjTFLmKA2/foR9rMTOhWiqfOrfxJOctrpWPvrppf8XynJxw==",
           "requires": {
-            "bl": "^2.0.0",
+            "bl": "^2.0.1",
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             "readable-stream": "^2.3.6",
             "safe-buffer": "^5.1.2"
@@ -3115,9 +3124,9 @@
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     "msgpack5": {
-      "version": "3.6.0",
-      "resolved": "https://registry.npmjs.org/msgpack5/-/msgpack5-3.6.0.tgz",
-      "integrity": "sha512-6HuCZHA57WtNUzrKIvjJ8OMxigzveJ6D5i13y6TsgGu3X3zxABpuBvChpppOoGdB9SyWZcmqUs1fwUV/PpSQ7Q==",
+      "version": "3.6.1",
+      "resolved": "https://registry.npmjs.org/msgpack5/-/msgpack5-3.6.1.tgz",
+      "integrity": "sha512-VoY2AaoowHZLLKyEb5FRzuhdSzXn5quGjcMKJOJHJPxp9baYZx5t6jiHUhp5aNRlqqlt+5GXQGovMLNKsrm1hg==",
       "requires": {
         "bl": "^1.2.1",
         "inherits": "^2.0.3",
@@ -3126,9 +3135,9 @@
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       "dependencies": {
         "bl": {
-          "version": "1.2.2",
-          "resolved": "https://registry.npmjs.org/bl/-/bl-1.2.2.tgz",
-          "integrity": "sha512-e8tQYnZodmebYDWGH7KMRvtzKXaJHx3BbilrgZCfvyLUYdKpK1t5PSPmpkny/SgiTSCnjfLW7v5rlONXVFkQEA==",
+          "version": "1.2.3",
+          "resolved": "https://registry.npmjs.org/bl/-/bl-1.2.3.tgz",
+          "integrity": "sha512-pvcNpa0UU69UT341rO6AYy4FVAIkUHuZXRIWbq+zHnsVcRzDDjIAhGuuYoi0d//cwIwtt4pkpKycWEfjdV+vww==",
           "requires": {
             "readable-stream": "^2.3.5",
             "safe-buffer": "^5.1.1"
@@ -3140,14 +3149,14 @@
           "integrity": "sha1-u5NdSFgsuhaMBoNJV6VKPgcSTxE="
         },
         "process-nextick-args": {
-          "version": "2.0.0",
-          "resolved": "https://registry.npmjs.org/process-nextick-args/-/process-nextick-args-2.0.0.tgz",
-          "integrity": "sha512-MtEC1TqN0EU5nephaJ4rAtThHtC86dNN9qCuEhtshvpVBkAW5ZO7BASN9REnF9eoXGcRub+pFuKEpOHE+HbEMw=="
+          "version": "2.0.1",
+          "resolved": "https://registry.npmjs.org/process-nextick-args/-/process-nextick-args-2.0.1.tgz",
+          "integrity": "sha512-3ouUOpQhtgrbOa17J7+uxOTpITYWaGP7/AhoR3+A+/1e9skrzelGi/dXzEYyvbxubEF6Wn2ypscTKiKJFFn1ag=="
         },
         "readable-stream": {
-          "version": "2.3.6",
-          "resolved": "https://registry.npmjs.org/readable-stream/-/readable-stream-2.3.6.tgz",
-          "integrity": "sha512-tQtKA9WIAhBF3+VLAseyMqZeBjW0AHJoxOtYqSUZNJxauErmLbVm2FW1y+J/YA9dUrAC39ITejlZWhVIwawkKw==",
+          "version": "2.3.7",
+          "resolved": "https://registry.npmjs.org/readable-stream/-/readable-stream-2.3.7.tgz",
+          "integrity": "sha512-Ebho8K4jIbHAxnuxi7o42OrZgF/ZTNcsZj6nRKyUmkhLFq8CHItp/fy6hQZuZmP/n3yZ9VBUbp4zz/mX8hmYPw==",
           "requires": {
             "core-util-is": "~1.0.0",
             "inherits": "~2.0.3",
@@ -4292,6 +4301,7 @@
       "version": "1.1.10",
       "resolved": "https://registry.npmjs.org/socks/-/socks-1.1.10.tgz",
       "integrity": "sha1-W4t/x8jzQcU+0FbpKbe/Tei6e1o=",
+      "optional": true,
       "requires": {
         "ip": "^1.1.4",
         "smart-buffer": "^1.0.13"
@@ -4301,6 +4311,7 @@
       "version": "3.0.1",
       "resolved": "https://registry.npmjs.org/socks-proxy-agent/-/socks-proxy-agent-3.0.1.tgz",
       "integrity": "sha512-ZwEDymm204mTzvdqyUqOdovVr2YRd2NYskrYrF2LXyZ9qDiMAoFESGK8CRphiO7rtbo2Y757k2Nia3x2hGtalA==",
+      "optional": true,
       "requires": {
         "agent-base": "^4.1.0",
         "socks": "^1.1.10"