diff --git a/package-lock.json b/package-lock.json
index 4e2d2ee..d03151e 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -1,6 +1,6 @@
 {
   "name": "yrv.js",
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+  "version": "2.1.0",
   "lockfileVersion": 1,
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@@ -1927,15 +1927,36 @@
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-      "resolved": "https://registry.npmjs.org/browserslist/-/browserslist-4.12.0.tgz",
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+      "version": "4.16.6",
+      "resolved": "https://registry.npmjs.org/browserslist/-/browserslist-4.16.6.tgz",
+      "integrity": "sha512-Wspk/PqO+4W9qp5iUTJsa1B/QrYn1keNCcEP5OvP7WBwT4KaDly0uONYmC6Xa3Z5IqnUgS0KcgLYu1l74x0ZXQ==",
       "dev": true,
       "requires": {
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-        "electron-to-chromium": "^1.3.413",
-        "node-releases": "^1.1.53",
-        "pkg-up": "^2.0.0"
+        "caniuse-lite": "^1.0.30001219",
+        "colorette": "^1.2.2",
+        "electron-to-chromium": "^1.3.723",
+        "escalade": "^3.1.1",
+        "node-releases": "^1.1.71"
+      },
+      "dependencies": {
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+          "resolved": "https://registry.npmjs.org/caniuse-lite/-/caniuse-lite-1.0.30001230.tgz",
+          "integrity": "sha512-5yBd5nWCBS+jWKTcHOzXwo5xzcj4ePE/yjtkZyUV1BTUmrBaA9MRGC+e7mxnqXSA90CmCA8L3eKLaSUkt099IQ==",
+          "dev": true
+        },
+        "electron-to-chromium": {
+          "version": "1.3.739",
+          "resolved": "https://registry.npmjs.org/electron-to-chromium/-/electron-to-chromium-1.3.739.tgz",
+          "integrity": "sha512-+LPJVRsN7hGZ9EIUUiWCpO7l4E3qBYHNadazlucBfsXBbccDFNKUBAgzE68FnkWGJPwD/AfKhSzL+G+Iqb8A4A==",
+          "dev": true
+        },
+        "node-releases": {
+          "version": "1.1.72",
+          "resolved": "https://registry.npmjs.org/node-releases/-/node-releases-1.1.72.tgz",
+          "integrity": "sha512-LLUo+PpH3dU6XizX3iVoubUNheF/owjXCZZ5yACDxNnPtgFuludV1ZL3ayK1kVep42Rmm0+R9/Y60NQbZ2bifw==",
+          "dev": true
+        }
       }
     },
     "buffer": {
@@ -2021,12 +2042,6 @@
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       "dev": true
     },
-    "caniuse-lite": {
-      "version": "1.0.30001066",
-      "resolved": "https://registry.npmjs.org/caniuse-lite/-/caniuse-lite-1.0.30001066.tgz",
-      "integrity": "sha512-Gfj/WAastBtfxLws0RCh2sDbTK/8rJuSeZMecrSkNGYxPcv7EzblmDGfWQCFEQcSqYE2BRgQiJh8HOD07N5hIw==",
-      "dev": true
-    },
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       "version": "2.4.2",
       "resolved": "https://registry.npmjs.org/chalk/-/chalk-2.4.2.tgz",
@@ -2231,6 +2246,12 @@
       "integrity": "sha1-p9BVi9icQveV3UIyj3QIMcpTvCU=",
       "dev": true
     },
+    "colorette": {
+      "version": "1.2.2",
+      "resolved": "https://registry.npmjs.org/colorette/-/colorette-1.2.2.tgz",
+      "integrity": "sha512-MKGMzyfeuutC/ZJ1cba9NqcNpfeqMUcYmyF1ZFY6/Cn7CNSAKx6a+s48sqLqyAiZuaP2TcqMhoo+dlwFnVxT9w==",
+      "dev": true
+    },
     "commander": {
       "version": "2.20.3",
       "resolved": "https://registry.npmjs.org/commander/-/commander-2.20.3.tgz",
@@ -2621,12 +2642,6 @@
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-    "electron-to-chromium": {
-      "version": "1.3.453",
-      "resolved": "https://registry.npmjs.org/electron-to-chromium/-/electron-to-chromium-1.3.453.tgz",
-      "integrity": "sha512-IQbCfjJR0NDDn/+vojTlq7fPSREcALtF8M1n01gw7nQghCtfFYrJ2dfhsp8APr8bANoFC8vRTFVXMOGpT0eetw==",
-      "dev": true
-    },
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       "resolved": "https://registry.npmjs.org/elliptic/-/elliptic-6.5.2.tgz",
@@ -2737,6 +2752,12 @@
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       }
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+    "escalade": {
+      "version": "3.1.1",
+      "resolved": "https://registry.npmjs.org/escalade/-/escalade-3.1.1.tgz",
+      "integrity": "sha512-k0er2gUkLf8O0zKJiAhmkTnJlTvINGv7ygDNPbeIsX/TJjGJZHuh9B2UxbsaEkmlEo9MfhrSzmhIlhRlI2GXnw==",
+      "dev": true
+    },
     "escape-string-regexp": {
       "version": "1.0.5",
       "resolved": "https://registry.npmjs.org/escape-string-regexp/-/escape-string-regexp-1.0.5.tgz",
@@ -4105,12 +4126,6 @@
         }
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-    "node-releases": {
-      "version": "1.1.57",
-      "resolved": "https://registry.npmjs.org/node-releases/-/node-releases-1.1.57.tgz",
-      "integrity": "sha512-ZQmnWS7adi61A9JsllJ2gdj2PauElcjnOwTp2O011iGzoakTxUsDGSe+6vD7wXbKdqhSFymC0OSx35aAMhrSdw==",
-      "dev": true
-    },
     "normalize-path": {
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       "resolved": "https://registry.npmjs.org/normalize-path/-/normalize-path-3.0.0.tgz",
@@ -4435,60 +4450,6 @@
         "find-up": "^3.0.0"
       }
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-      "version": "2.0.0",
-      "resolved": "https://registry.npmjs.org/pkg-up/-/pkg-up-2.0.0.tgz",
-      "integrity": "sha1-yBmscoBZpGHKscOImivjxJoATX8=",
-      "dev": true,
-      "requires": {
-        "find-up": "^2.1.0"
-      },
-      "dependencies": {
-        "find-up": {
-          "version": "2.1.0",
-          "resolved": "https://registry.npmjs.org/find-up/-/find-up-2.1.0.tgz",
-          "integrity": "sha1-RdG35QbHF93UgndaK3eSCjwMV6c=",
-          "dev": true,
-          "requires": {
-            "locate-path": "^2.0.0"
-          }
-        },
-        "locate-path": {
-          "version": "2.0.0",
-          "resolved": "https://registry.npmjs.org/locate-path/-/locate-path-2.0.0.tgz",
-          "integrity": "sha1-K1aLJl7slExtnA3pw9u7ygNUzY4=",
-          "dev": true,
-          "requires": {
-            "p-locate": "^2.0.0",
-            "path-exists": "^3.0.0"
-          }
-        },
-        "p-limit": {
-          "version": "1.3.0",
-          "resolved": "https://registry.npmjs.org/p-limit/-/p-limit-1.3.0.tgz",
-          "integrity": "sha512-vvcXsLAJ9Dr5rQOPk7toZQZJApBl2K4J6dANSsEuh6QI41JYcsS/qhTGa9ErIUUgK3WNQoJYvylxvjqmiqEA9Q==",
-          "dev": true,
-          "requires": {
-            "p-try": "^1.0.0"
-          }
-        },
-        "p-locate": {
-          "version": "2.0.0",
-          "resolved": "https://registry.npmjs.org/p-locate/-/p-locate-2.0.0.tgz",
-          "integrity": "sha1-IKAQOyIqcMj9OcwuWAaA893l7EM=",
-          "dev": true,
-          "requires": {
-            "p-limit": "^1.1.0"
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-        "p-try": {
-          "version": "1.0.0",
-          "resolved": "https://registry.npmjs.org/p-try/-/p-try-1.0.0.tgz",
-          "integrity": "sha1-y8ec26+P1CKOE/Yh8rGiN8GyB7M=",
-          "dev": true
-        }
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-    },
     "posix-character-classes": {
       "version": "0.1.1",
       "resolved": "https://registry.npmjs.org/posix-character-classes/-/posix-character-classes-0.1.1.tgz",