diff --git a/package-lock.json b/package-lock.json
index 6762c9a..5eb9f81 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -37,6 +37,11 @@
         "proxy-from-env": "^1.1.0"
       }
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+      "resolved": "https://registry.npmjs.org/base64-js/-/base64-js-1.5.1.tgz",
+      "integrity": "sha512-AKpaYlHn8t4SVbOHCy+b5+KKgvR4vrsD8vbvrbiQJps7fKDTkjkDry6ji0rUJjC0kzbNePLwzxq8iypo41qeWA=="
+    },
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       "version": "9.0.0",
       "resolved": "https://registry.npmjs.org/bignumber.js/-/bignumber.js-9.0.0.tgz",
@@ -50,13 +55,13 @@
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-      "resolved": "https://registry.npmjs.org/bl/-/bl-2.2.0.tgz",
-      "integrity": "sha512-wbgvOpqopSr7uq6fJrLH8EsvYMJf9gzfo2jCsL2eTy75qXPukA4pCgHamOQkZtY5vmfVtjB+P3LNlMHW5CEZXA==",
+    "buffer": {
+      "version": "6.0.3",
+      "resolved": "https://registry.npmjs.org/buffer/-/buffer-6.0.3.tgz",
+      "integrity": "sha512-FTiCpNxtwiZZHEZbcbTIcZjERVICn9yq/pDFkTl95/AxzD1naBctN7YO68riM/gLSDY7sdrMby8hofADYuuqOA==",
       "requires": {
-        "readable-stream": "^2.3.5",
-        "safe-buffer": "^5.1.1"
+        "base64-js": "^1.3.1",
+        "ieee754": "^1.2.1"
       }
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@@ -85,11 +90,6 @@
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-      "version": "1.0.2",
-      "resolved": "https://registry.npmjs.org/core-util-is/-/core-util-is-1.0.2.tgz",
-      "integrity": "sha1-tf1UIgqivFq1eqtxQMlAdUUDwac="
-    },
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       "resolved": "https://registry.npmjs.org/crypto-js/-/crypto-js-4.0.0.tgz",
@@ -134,16 +134,16 @@
         "nan": "^2.14.0"
       }
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+    "ieee754": {
+      "version": "1.2.1",
+      "resolved": "https://registry.npmjs.org/ieee754/-/ieee754-1.2.1.tgz",
+      "integrity": "sha512-dcyqhDvX1C46lXZcVqCpK+FtMRQVdIMN6/Df5js2zouUsqG7I6sFxitIC+7KYK29KdXOLHdu9zL4sFnoVQnqaA=="
+    },
     "inherits": {
       "version": "2.0.4",
       "resolved": "https://registry.npmjs.org/inherits/-/inherits-2.0.4.tgz",
       "integrity": "sha512-k/vGaX4/Yla3WzyMCvTQOXYeIHvqOKtnqBduzTHpzpQZzAskKMhZ2K+EnBiSM9zGSoIFeMpXKxa4dYeZIQqewQ=="
     },
-    "isarray": {
-      "version": "1.0.0",
-      "resolved": "https://registry.npmjs.org/isarray/-/isarray-1.0.0.tgz",
-      "integrity": "sha1-u5NdSFgsuhaMBoNJV6VKPgcSTxE="
-    },
     "lcdi2c": {
       "version": "git+https://github.com/lpgera/lcdi2c.git#1e22b493fe978948f4790010d85d684915bdc2c0",
       "from": "git+https://github.com/lpgera/lcdi2c.git",
@@ -171,14 +171,36 @@
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     },
     "msgpack5": {
-      "version": "4.2.1",
-      "resolved": "https://registry.npmjs.org/msgpack5/-/msgpack5-4.2.1.tgz",
-      "integrity": "sha512-Xo7nE9ZfBVonQi1rSopNAqPdts/QHyuSEUwIEzAkB+V2FtmkkLUbP6MyVqVVQxsZYI65FpvW3Bb8Z9ZWEjbgHQ==",
+      "version": "6.0.2",
+      "resolved": "https://registry.npmjs.org/msgpack5/-/msgpack5-6.0.2.tgz",
+      "integrity": "sha512-kBSpECAWslrciRF3jy6HkMckNa14j3VZwNUUe1ONO/yihs19MskiFnsWXm0Q0aPkDYDBRFvTKkEuEDY+HVxBvQ==",
       "requires": {
-        "bl": "^2.0.1",
+        "bl": "^5.0.0",
         "inherits": "^2.0.3",
-        "readable-stream": "^2.3.6",
+        "readable-stream": "^3.0.0",
         "safe-buffer": "^5.1.2"
+      },
+      "dependencies": {
+        "bl": {
+          "version": "5.1.0",
+          "resolved": "https://registry.npmjs.org/bl/-/bl-5.1.0.tgz",
+          "integrity": "sha512-tv1ZJHLfTDnXE6tMHv73YgSJaWR2AFuPwMntBe7XL/GBFHnT0CLnsHMogfk5+GzCDC5ZWarSCYaIGATZt9dNsQ==",
+          "requires": {
+            "buffer": "^6.0.3",
+            "inherits": "^2.0.4",
+            "readable-stream": "^3.4.0"
+          }
+        },
+        "readable-stream": {
+          "version": "3.6.2",
+          "resolved": "https://registry.npmjs.org/readable-stream/-/readable-stream-3.6.2.tgz",
+          "integrity": "sha512-9u/sniCrY3D5WdsERHzHE4G2YCXqoG5FTHUiCC4SIbr6XcLZBY05ya9EKjYek9O5xOAwjGq+1JdGBAS7Q9ScoA==",
+          "requires": {
+            "inherits": "^2.0.3",
+            "string_decoder": "^1.1.1",
+            "util-deprecate": "^1.0.1"
+          }
+        }
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     },
     "mz": {
@@ -226,37 +248,11 @@
       "resolved": "https://registry.npmjs.org/pigpio-mock/-/pigpio-mock-0.0.1.tgz",
       "integrity": "sha1-Xls/10mHtr/MZTst4SGa6ruw3Lg="
     },
-    "process-nextick-args": {
-      "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=="
-    },
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       "version": "1.1.0",
       "resolved": "https://registry.npmjs.org/proxy-from-env/-/proxy-from-env-1.1.0.tgz",
       "integrity": "sha512-D+zkORCbA9f1tdWRK0RaCR3GPv50cMxcrz4X8k5LTSUD1Dkw47mKJEZQNunItRTkWwgtaUSo1RVFRIG9ZXiFYg=="
     },
-    "readable-stream": {
-      "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": {
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-        "inherits": "~2.0.3",
-        "isarray": "~1.0.0",
-        "process-nextick-args": "~2.0.0",
-        "safe-buffer": "~5.1.1",
-        "string_decoder": "~1.1.1",
-        "util-deprecate": "~1.0.1"
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-          "resolved": "https://registry.npmjs.org/safe-buffer/-/safe-buffer-5.1.2.tgz",
-          "integrity": "sha512-Gd2UZBJDkXlY7GbJxfsE8/nvKkUEU1G38c1siN6QP6a9PT9MmHB8GnpscSmMJSoF8LOIrt8ud/wPtojys4G6+g=="
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       "resolved": "https://registry.npmjs.org/safe-buffer/-/safe-buffer-5.2.0.tgz",