diff --git a/package-lock.json b/package-lock.json
index b365cce..79f0daf 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -1077,7 +1077,7 @@
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       "version": "2.1.0",
       "resolved": "https://registry.npmjs.org/css-what/-/css-what-2.1.0.tgz",
-      "integrity": "sha1-lGfQMsOM+u+58teVASUwYvh/ob0=",
+      "integrity": "sha512-HtdI8TqiYjVrBI0C2VLF8fwphIa49EaHPVo64hrX+QHCPBtjp2FW1g4+jNeC6v7bBSr2z7v2USnQ6GU+VPOzgQ==",
       "dev": true
     },
     "dashdash": {
@@ -1596,6 +1596,7 @@
       "resolved": "https://registry.npmjs.org/glob-parent/-/glob-parent-2.0.0.tgz",
       "integrity": "sha1-gTg9ctsFT8zPUzbaqQLxgvbtuyg=",
       "dev": true,
+      "optional": true,
       "requires": {
         "is-glob": "2.0.1"
       }
@@ -1833,7 +1834,8 @@
       "version": "1.1.5",
       "resolved": "https://registry.npmjs.org/is-buffer/-/is-buffer-1.1.5.tgz",
       "integrity": "sha1-Hzsm72E7IUuIy8ojzGwB2Hlh7sw=",
-      "dev": true
+      "dev": true,
+      "optional": true
     },
     "is-dotfile": {
       "version": "1.0.3",
@@ -1863,7 +1865,8 @@
       "version": "1.0.0",
       "resolved": "https://registry.npmjs.org/is-extglob/-/is-extglob-1.0.0.tgz",
       "integrity": "sha1-rEaBd8SUNAWgkvyPKXYMb/xiBsA=",
-      "dev": true
+      "dev": true,
+      "optional": true
     },
     "is-finite": {
       "version": "1.0.2",
@@ -1885,6 +1888,7 @@
       "resolved": "https://registry.npmjs.org/is-glob/-/is-glob-2.0.1.tgz",
       "integrity": "sha1-0Jb5JqPe1WAPP9/ZEZjLCIjC2GM=",
       "dev": true,
+      "optional": true,
       "requires": {
         "is-extglob": "1.0.0"
       }
@@ -1934,7 +1938,8 @@
       "version": "2.0.0",
       "resolved": "https://registry.npmjs.org/is-primitive/-/is-primitive-2.0.0.tgz",
       "integrity": "sha1-IHurkWOEmcB7Kt8kCkGochADRXU=",
-      "dev": true
+      "dev": true,
+      "optional": true
     },
     "is-promise": {
       "version": "2.1.0",
@@ -2081,6 +2086,7 @@
       "resolved": "https://registry.npmjs.org/kind-of/-/kind-of-3.2.2.tgz",
       "integrity": "sha1-MeohpzS6ubuw8yRm2JOupR5KPGQ=",
       "dev": true,
+      "optional": true,
       "requires": {
         "is-buffer": "1.1.5"
       }
@@ -3120,7 +3126,8 @@
       "version": "1.1.2",
       "resolved": "https://registry.npmjs.org/repeat-element/-/repeat-element-1.1.2.tgz",
       "integrity": "sha1-7wiaF40Ug7quTZPrmLT55OEdmQo=",
-      "dev": true
+      "dev": true,
+      "optional": true
     },
     "repeat-string": {
       "version": "1.6.1",
@@ -3328,15 +3335,6 @@
         }
       }
     },
-    "string_decoder": {
-      "version": "1.0.3",
-      "resolved": "https://registry.npmjs.org/string_decoder/-/string_decoder-1.0.3.tgz",
-      "integrity": "sha512-4AH6Z5fzNNBcH+6XDMfA/BTt87skxqJlO0lAh3Dker5zThcAxG6mKz+iGu308UKoPPQ8Dcqx/4JhujzltRa+hQ==",
-      "dev": true,
-      "requires": {
-        "safe-buffer": "5.1.0"
-      }
-    },
     "string-width": {
       "version": "2.1.1",
       "resolved": "https://registry.npmjs.org/string-width/-/string-width-2.1.1.tgz",
@@ -3364,6 +3362,15 @@
         }
       }
     },
+    "string_decoder": {
+      "version": "1.0.3",
+      "resolved": "https://registry.npmjs.org/string_decoder/-/string_decoder-1.0.3.tgz",
+      "integrity": "sha512-4AH6Z5fzNNBcH+6XDMfA/BTt87skxqJlO0lAh3Dker5zThcAxG6mKz+iGu308UKoPPQ8Dcqx/4JhujzltRa+hQ==",
+      "dev": true,
+      "requires": {
+        "safe-buffer": "5.1.0"
+      }
+    },
     "stringstream": {
       "version": "0.0.5",
       "resolved": "https://registry.npmjs.org/stringstream/-/stringstream-0.0.5.tgz",