diff --git a/package-lock.json b/package-lock.json
index 659ed03..032278e 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -4898,10 +4898,10 @@
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       "dev": true,
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-        "optimist": "0.6.1",
-        "source-map": "0.6.1",
-        "uglify-js": "3.4.9"
+        "async": "^2.5.0",
+        "optimist": "^0.6.1",
+        "source-map": "^0.6.1",
+        "uglify-js": "^3.1.4"
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@@ -7243,7 +7243,7 @@
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-          "integrity": "sha1-o1AIsg9BOD7sH7kU9M1d95omQoQ=",
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@@ -7529,7 +7529,7 @@
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       "resolved": "https://registry.npmjs.org/minimist/-/minimist-0.0.8.tgz",
-      "integrity": "sha1-hX/Kv8M5fSYluCKCYuhqp6ARsF0=",
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@@ -7574,7 +7574,7 @@
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       "resolved": "https://registry.npmjs.org/mkdirp/-/mkdirp-0.5.1.tgz",
-      "integrity": "sha1-MAV0OOrGz3+MR2fzhkjWaX11yQM=",
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       "dev": true,
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@@ -10003,7 +10003,7 @@
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-          "integrity": "sha1-o1AIsg9BOD7sH7kU9M1d95omQoQ=",
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@@ -10646,15 +10646,6 @@
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       "dev": true
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-      "resolved": "https://registry.npmjs.org/string_decoder/-/string_decoder-1.1.1.tgz",
-      "integrity": "sha512-n/ShnvDi6FHbbVfviro+WojiFzv+s8MPMHBczVePfUpDJLwoLT0ht1l4YwBCbi8pJAveEEdnkHyPyTP/mzRfwg==",
-      "dev": true,
-      "requires": {
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       "resolved": "https://registry.npmjs.org/string-length/-/string-length-2.0.0.tgz",
@@ -10720,6 +10711,15 @@
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+    "string_decoder": {
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+      "resolved": "https://registry.npmjs.org/string_decoder/-/string_decoder-1.1.1.tgz",
+      "integrity": "sha512-n/ShnvDi6FHbbVfviro+WojiFzv+s8MPMHBczVePfUpDJLwoLT0ht1l4YwBCbi8pJAveEEdnkHyPyTP/mzRfwg==",
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+      "requires": {
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       "resolved": "https://registry.npmjs.org/strip-ansi/-/strip-ansi-3.0.1.tgz",
@@ -11531,7 +11531,7 @@
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           "resolved": "https://registry.npmjs.org/minimist/-/minimist-1.2.0.tgz",
-          "integrity": "sha1-o1AIsg9BOD7sH7kU9M1d95omQoQ=",
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           "dev": true
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