diff --git a/package-lock.json b/package-lock.json
index b38cf87..2edb2d7 100644
--- a/package-lock.json
+++ b/package-lock.json
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@@ -221,6 +254,37 @@
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@@ -367,6 +461,253 @@
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@@ -4093,6 +4718,12 @@
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@@ -4102,6 +4733,74 @@
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+      "resolved": "https://registry.npmjs.org/which-module/-/which-module-2.0.0.tgz",
+      "integrity": "sha1-2e8H3Od7mQK4o6j6SzHD4/fm6Ho=",
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+      "version": "2.0.1",
+      "resolved": "https://registry.npmjs.org/widest-line/-/widest-line-2.0.1.tgz",
+      "integrity": "sha512-Ba5m9/Fa4Xt9eb2ELXt77JxVDV8w7qQrH0zS/TWSJdLyAwQjWoOzpzj5lwVftDz6n/EOu3tNACS84v509qwnJA==",
+      "dev": true,
+      "requires": {
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+      }
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+    "wordwrap": {
+      "version": "0.0.3",
+      "resolved": "https://registry.npmjs.org/wordwrap/-/wordwrap-0.0.3.tgz",
+      "integrity": "sha1-o9XabNXAvAAI03I0u68b7WMFkQc=",
+      "dev": true
+    },
+    "wrap-ansi": {
+      "version": "2.1.0",
+      "resolved": "https://registry.npmjs.org/wrap-ansi/-/wrap-ansi-2.1.0.tgz",
+      "integrity": "sha1-2Pw9KE3QV5T+hJc8rs3Rz4JP3YU=",
+      "dev": true,
+      "requires": {
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+          "resolved": "https://registry.npmjs.org/ansi-regex/-/ansi-regex-2.1.1.tgz",
+          "integrity": "sha1-w7M6te42DYbg5ijwRorn7yfWVN8=",
+          "dev": true
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+        "is-fullwidth-code-point": {
+          "version": "1.0.0",
+          "resolved": "https://registry.npmjs.org/is-fullwidth-code-point/-/is-fullwidth-code-point-1.0.0.tgz",
+          "integrity": "sha1-754xOG8DGn8NZDr4L95QxFfvAMs=",
+          "dev": true,
+          "requires": {
+            "number-is-nan": "^1.0.0"
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+        "string-width": {
+          "version": "1.0.2",
+          "resolved": "https://registry.npmjs.org/string-width/-/string-width-1.0.2.tgz",
+          "integrity": "sha1-EYvfW4zcUaKn5w0hHgfisLmxB9M=",
+          "dev": true,
+          "requires": {
+            "code-point-at": "^1.0.0",
+            "is-fullwidth-code-point": "^1.0.0",
+            "strip-ansi": "^3.0.0"
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+        "strip-ansi": {
+          "version": "3.0.1",
+          "resolved": "https://registry.npmjs.org/strip-ansi/-/strip-ansi-3.0.1.tgz",
+          "integrity": "sha1-ajhfuIU9lS1f8F0Oiq+UJ43GPc8=",
+          "dev": true,
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       "resolved": "https://registry.npmjs.org/wrappy/-/wrappy-1.0.2.tgz",
@@ -4118,14 +4817,15 @@
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+      "version": "3.0.0",
+      "resolved": "https://registry.npmjs.org/write-file-atomic/-/write-file-atomic-3.0.0.tgz",
+      "integrity": "sha512-EIgkf60l2oWsffja2Sf2AL384dx328c0B+cIYPTQq5q2rOYuDV00/iPFBOUiDKKwKMOhkymH8AidPaRvzfxY+Q==",
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-        "graceful-fs": "^4.1.11",
         "imurmurhash": "^0.1.4",
-        "signal-exit": "^3.0.2"
+        "is-typedarray": "^1.0.0",
+        "signal-exit": "^3.0.2",
+        "typedarray-to-buffer": "^3.1.5"
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     "xml2js": {
@@ -4150,22 +4850,141 @@
       "integrity": "sha1-pcbVMr5lbiPbgg77lDofBJmNY68=",
       "dev": true
     },
+    "y18n": {
+      "version": "4.0.0",
+      "resolved": "https://registry.npmjs.org/y18n/-/y18n-4.0.0.tgz",
+      "integrity": "sha512-r9S/ZyXu/Xu9q1tYlpsLIsa3EeLXXk0VwlxqTcFRfg9EhMW+17kbt9G0NrgCmhGb5vT2hyhJZLfDGx+7+5Uj/w==",
+      "dev": true
+    },
     "yallist": {
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       "resolved": "https://registry.npmjs.org/yallist/-/yallist-2.1.2.tgz",
       "integrity": "sha1-HBH5IY8HYImkfdUS+TxmmaaoHVI=",
       "dev": true
     },
+    "yaml": {
+      "version": "1.6.0",
+      "resolved": "https://registry.npmjs.org/yaml/-/yaml-1.6.0.tgz",
+      "integrity": "sha512-iZfse3lwrJRoSlfs/9KQ9iIXxs9++RvBFVzAqbbBiFT+giYtyanevreF9r61ZTbGMgWQBxAua3FzJiniiJXWWw==",
+      "dev": true,
+      "requires": {
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+      }
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     "yapool": {
       "version": "1.0.0",
       "resolved": "https://registry.npmjs.org/yapool/-/yapool-1.0.0.tgz",
       "integrity": "sha1-9pPymjFbUNmp2iZGp6ZkXJaYW2o=",
       "dev": true
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+    "yargs": {
+      "version": "13.2.4",
+      "resolved": "https://registry.npmjs.org/yargs/-/yargs-13.2.4.tgz",
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+      "requires": {
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+        "find-up": "^3.0.0",
+        "get-caller-file": "^2.0.1",
+        "os-locale": "^3.1.0",
+        "require-directory": "^2.1.1",
+        "require-main-filename": "^2.0.0",
+        "set-blocking": "^2.0.0",
+        "string-width": "^3.0.0",
+        "which-module": "^2.0.0",
+        "y18n": "^4.0.0",
+        "yargs-parser": "^13.1.0"
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+    "yoga-layout-prebuilt": {
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+      "resolved": "https://registry.npmjs.org/yoga-layout-prebuilt/-/yoga-layout-prebuilt-1.9.3.tgz",
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diff --git a/package.json b/package.json
index b39a328..3bc3978 100644
--- a/package.json
+++ b/package.json
@@ -41,17 +41,17 @@
     "coverage": "test `node --version | cut -c 2` -eq 8 && npm run coveralls && npm run codacy && npm run codecov && npm run codeclimate:download && npm run codeclimate:execute"
   },
   "dependencies": {
-    "commander": "^2.19.0",
+    "commander": "^2.20.0",
     "readline-sync": "^1.4.9",
     "safe-buffer": "^5.1.2",
     "sprintf-js": "^1.1.2"
   },
   "devDependencies": {
     "codacy-coverage": "^3.4.0",
-    "codecov": "^3.2.0",
-    "coveralls": "^3.0.3",
+    "codecov": "^3.5.0",
+    "coveralls": "^3.0.4",
     "standard": "^12.0.1",
-    "tap": "^12.6.0"
+    "tap": "^14.2.2"
   },
   "keywords": [
     "nettime",