diff --git a/core/package-lock.json b/core/package-lock.json
index 387269a..a5a2ce8 100644
--- a/core/package-lock.json
+++ b/core/package-lock.json
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@@ -4397,9 +4493,9 @@
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@@ -4758,21 +4848,29 @@
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@@ -4896,12 +4994,12 @@
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@@ -5543,12 +5641,12 @@
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-      "integrity": "sha1-qLE/1r/SSJUZZ0zN5VujaTtwbQk=",
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+      "resolved": "https://registry.npmjs.org/tr46/-/tr46-2.1.0.tgz",
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       "dev": true,
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-        "punycode": "^2.1.0"
+        "punycode": "^2.1.1"
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@@ -5593,7 +5691,7 @@
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@@ -5647,6 +5745,12 @@
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+      "resolved": "https://registry.npmjs.org/universalify/-/universalify-0.1.2.tgz",
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@@ -5789,12 +5893,21 @@
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-      "integrity": "sha1-gqwr/2PZUOqeMYmlimViX+3xkEU=",
+      "version": "1.0.2",
+      "resolved": "https://registry.npmjs.org/w3c-hr-time/-/w3c-hr-time-1.0.2.tgz",
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       "dev": true,
       "requires": {
-        "browser-process-hrtime": "^0.1.2"
+        "browser-process-hrtime": "^1.0.0"
+      }
+    },
+    "w3c-xmlserializer": {
+      "version": "2.0.0",
+      "resolved": "https://registry.npmjs.org/w3c-xmlserializer/-/w3c-xmlserializer-2.0.0.tgz",
+      "integrity": "sha512-4tzD0mF8iSiMiNs30BiLO3EpfGLZUT2MSX/G+o7ZywDzliWQ3OPtTZ0PTC3B3ca1UAf4cJMHB+2Bf56EriJuRA==",
+      "dev": true,
+      "requires": {
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@@ -5814,9 +5927,9 @@
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+      "resolved": "https://registry.npmjs.org/webidl-conversions/-/webidl-conversions-6.1.0.tgz",
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@@ -5835,14 +5948,14 @@
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-        "tr46": "^1.0.1",
-        "webidl-conversions": "^4.0.2"
+        "lodash": "^4.7.0",
+        "tr46": "^2.1.0",
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diff --git a/core/package.json b/core/package.json
index f5c9eb7..9b73ed8 100644
--- a/core/package.json
+++ b/core/package.json
@@ -82,7 +82,7 @@
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     "form-parse": "^0.1.0",
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     "nyc": "^14.1.1",
     "rimraf": "^2.6.2",