diff --git a/package-lock.json b/package-lock.json
index d5456d7..5656755 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -545,6 +545,7 @@
       "resolved": "https://registry.npmjs.org/align-text/-/align-text-0.1.4.tgz",
       "integrity": "sha1-DNkKVhCT810KmSVsIrcGlDP60Rc=",
       "dev": true,
+      "optional": true,
       "requires": {
         "kind-of": "3.2.2",
         "longest": "1.0.1",
@@ -798,25 +799,25 @@
         "ieee754": {
           "version": "1.1.8",
           "resolved": "https://registry.npmjs.org/ieee754/-/ieee754-1.1.8.tgz",
-          "integrity": "sha1-vjPUCsEO8ZJnAfbwii2G+/0a0+Q=",
+          "integrity": "sha512-/aoyv2Nt7mGLnCAWzE0C1WH9Xd8ZsqR0f4Pjwxputi1JNm01+InyAYQotF4N+ulEIjbEsJo22NOHr+U/XEZ1Pw==",
           "dev": true
         },
         "punycode": {
           "version": "1.3.2",
           "resolved": "https://registry.npmjs.org/punycode/-/punycode-1.3.2.tgz",
-          "integrity": "sha1-llOgNvt8HuQjQvIyXM7v6jkmxI0=",
+          "integrity": "sha512-RofWgt/7fL5wP1Y7fxE7/EmTLzQVnB0ycyibJ0OOHIlJqTNzglYFxVwETOcIoJqJmpDXJ9xImDv+Fq34F/d4Dw==",
           "dev": true
         },
         "sax": {
           "version": "1.2.1",
           "resolved": "https://registry.npmjs.org/sax/-/sax-1.2.1.tgz",
-          "integrity": "sha1-e45lYZCyKOgaZq6nSEgNgozS03o=",
+          "integrity": "sha512-8I2a3LovHTOpm7NV5yOyO8IHqgVsfK4+UuySrXU8YXkSRX7k6hCV9b3HrkKCr3nMpgj+0bmocaJJWpvp1oc7ZA==",
           "dev": true
         },
         "url": {
           "version": "0.10.3",
           "resolved": "https://registry.npmjs.org/url/-/url-0.10.3.tgz",
-          "integrity": "sha1-Ah5NnHcF8hu/N9A861h2dAJ3TGQ=",
+          "integrity": "sha512-hzSUW2q06EqL1gKM/a+obYHLIO6ct2hwPuviqTTOcfFVc61UbfJ2Q32+uGL/HCPxKqrdGB5QUwIe7UqlDgwsOQ==",
           "dev": true,
           "requires": {
             "punycode": "1.3.2",
@@ -2890,6 +2891,7 @@
               "version": "2.2.4",
               "bundled": true,
               "dev": true,
+              "optional": true,
               "requires": {
                 "safe-buffer": "5.1.1",
                 "yallist": "3.0.2"
@@ -3002,6 +3004,7 @@
               "version": "1.4.0",
               "bundled": true,
               "dev": true,
+              "optional": true,
               "requires": {
                 "wrappy": "1.0.2"
               }
@@ -3188,12 +3191,14 @@
             "wrappy": {
               "version": "1.0.2",
               "bundled": true,
-              "dev": true
+              "dev": true,
+              "optional": true
             },
             "yallist": {
               "version": "3.0.2",
               "bundled": true,
-              "dev": true
+              "dev": true,
+              "optional": true
             }
           }
         },
@@ -6417,7 +6422,8 @@
       "version": "1.0.1",
       "resolved": "https://registry.npmjs.org/longest/-/longest-1.0.1.tgz",
       "integrity": "sha1-MKCy2jj3N3DoKUoNIuZiXtd9AJc=",
-      "dev": true
+      "dev": true,
+      "optional": true
     },
     "loose-envify": {
       "version": "1.3.1",
@@ -8065,7 +8071,8 @@
             "ansi-regex": {
               "version": "2.1.1",
               "bundled": true,
-              "dev": true
+              "dev": true,
+              "optional": true
             },
             "aproba": {
               "version": "1.2.0",
@@ -8108,7 +8115,8 @@
             "code-point-at": {
               "version": "1.1.0",
               "bundled": true,
-              "dev": true
+              "dev": true,
+              "optional": true
             },
             "concat-map": {
               "version": "0.0.1",
@@ -8119,7 +8127,8 @@
             "console-control-strings": {
               "version": "1.1.0",
               "bundled": true,
-              "dev": true
+              "dev": true,
+              "optional": true
             },
             "core-util-is": {
               "version": "1.0.2",
@@ -8236,7 +8245,8 @@
             "inherits": {
               "version": "2.0.3",
               "bundled": true,
-              "dev": true
+              "dev": true,
+              "optional": true
             },
             "ini": {
               "version": "1.3.5",
@@ -8248,6 +8258,7 @@
               "version": "1.0.0",
               "bundled": true,
               "dev": true,
+              "optional": true,
               "requires": {
                 "number-is-nan": "^1.0.0"
               }
@@ -8270,12 +8281,14 @@
             "minimist": {
               "version": "0.0.8",
               "bundled": true,
-              "dev": true
+              "dev": true,
+              "optional": true
             },
             "minipass": {
               "version": "2.2.4",
               "bundled": true,
               "dev": true,
+              "optional": true,
               "requires": {
                 "safe-buffer": "5.1.1",
                 "yallist": "3.0.2"
@@ -8294,6 +8307,7 @@
               "version": "0.5.1",
               "bundled": true,
               "dev": true,
+              "optional": true,
               "requires": {
                 "minimist": "0.0.8"
               }
@@ -8374,7 +8388,8 @@
             "number-is-nan": {
               "version": "1.0.1",
               "bundled": true,
-              "dev": true
+              "dev": true,
+              "optional": true
             },
             "object-assign": {
               "version": "4.1.1",
@@ -8386,6 +8401,7 @@
               "version": "1.4.0",
               "bundled": true,
               "dev": true,
+              "optional": true,
               "requires": {
                 "wrappy": "1.0.2"
               }
@@ -8471,7 +8487,8 @@
             "safe-buffer": {
               "version": "5.1.1",
               "bundled": true,
-              "dev": true
+              "dev": true,
+              "optional": true
             },
             "safer-buffer": {
               "version": "2.1.2",
@@ -8507,6 +8524,7 @@
               "version": "1.0.2",
               "bundled": true,
               "dev": true,
+              "optional": true,
               "requires": {
                 "code-point-at": "^1.0.0",
                 "is-fullwidth-code-point": "^1.0.0",
@@ -8526,6 +8544,7 @@
               "version": "3.0.1",
               "bundled": true,
               "dev": true,
+              "optional": true,
               "requires": {
                 "ansi-regex": "^2.0.0"
               }
@@ -8569,12 +8588,14 @@
             "wrappy": {
               "version": "1.0.2",
               "bundled": true,
-              "dev": true
+              "dev": true,
+              "optional": true
             },
             "yallist": {
               "version": "3.0.2",
               "bundled": true,
-              "dev": true
+              "dev": true,
+              "optional": true
             }
           }
         },