diff --git a/package-lock.json b/package-lock.json
index 3c93a66..148de54 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -637,7 +637,7 @@
                 },
                 "util": {
                     "version": "0.10.3",
-                    "resolved": "http://registry.npmjs.org/util/-/util-0.10.3.tgz",
+                    "resolved": "https://registry.npmjs.org/util/-/util-0.10.3.tgz",
                     "integrity": "sha1-evsa/lCAUkZInj23/g7TeTNqwPk=",
                     "dev": true,
                     "requires": {
@@ -659,12 +659,20 @@
             "dev": true
         },
         "async": {
-            "version": "2.6.1",
-            "resolved": "https://registry.npmjs.org/async/-/async-2.6.1.tgz",
-            "integrity": "sha512-fNEiL2+AZt6AlAw/29Cr0UDe4sRAHCpEHh54WMz+Bb7QfNcFw4h3loofyJpLeQs4Yx7yuqu/2dLgM5hKOs6HlQ==",
+            "version": "2.6.4",
+            "resolved": "https://registry.npmjs.org/async/-/async-2.6.4.tgz",
+            "integrity": "sha512-mzo5dfJYwAn29PeiJ0zvwTo04zj8HDJj0Mn8TD7sno7q12prdbnasKJHhkm2c1LgrhlJ0teaea8860oxi51mGA==",
             "dev": true,
             "requires": {
-                "lodash": "^4.17.10"
+                "lodash": "^4.17.14"
+            },
+            "dependencies": {
+                "lodash": {
+                    "version": "4.17.21",
+                    "resolved": "https://registry.npmjs.org/lodash/-/lodash-4.17.21.tgz",
+                    "integrity": "sha512-v2kDEe57lecTulaDIuNTPy3Ry4gLGJ6Z1O3vE1krgXZNrsQ+LFTGHVxVjcXPs17LhbZVGedAJv8XZ1tvj5FvSg==",
+                    "dev": true
+                }
             }
         },
         "async-each": {
@@ -1898,7 +1906,7 @@
         },
         "chalk": {
             "version": "1.1.3",
-            "resolved": "http://registry.npmjs.org/chalk/-/chalk-1.1.3.tgz",
+            "resolved": "https://registry.npmjs.org/chalk/-/chalk-1.1.3.tgz",
             "integrity": "sha1-qBFcVeSnAv5NFQq9OHKCKn4J/Jg=",
             "dev": true,
             "requires": {
@@ -2439,7 +2447,7 @@
         },
         "css-select": {
             "version": "1.2.0",
-            "resolved": "http://registry.npmjs.org/css-select/-/css-select-1.2.0.tgz",
+            "resolved": "https://registry.npmjs.org/css-select/-/css-select-1.2.0.tgz",
             "integrity": "sha1-KzoRBTnFNV8c2NMUYj6HCxIeyFg=",
             "dev": true,
             "requires": {
@@ -2790,7 +2798,7 @@
             "dependencies": {
                 "domelementtype": {
                     "version": "1.1.3",
-                    "resolved": "http://registry.npmjs.org/domelementtype/-/domelementtype-1.1.3.tgz",
+                    "resolved": "https://registry.npmjs.org/domelementtype/-/domelementtype-1.1.3.tgz",
                     "integrity": "sha1-vSh3PiZCiBrsUVRJJCmcXNgiGFs=",
                     "dev": true
                 }
@@ -4208,7 +4216,7 @@
         },
         "is-accessor-descriptor": {
             "version": "0.1.6",
-            "resolved": "http://registry.npmjs.org/is-accessor-descriptor/-/is-accessor-descriptor-0.1.6.tgz",
+            "resolved": "https://registry.npmjs.org/is-accessor-descriptor/-/is-accessor-descriptor-0.1.6.tgz",
             "integrity": "sha1-qeEss66Nh2cn7u84Q/igiXtcmNY=",
             "dev": true,
             "requires": {
@@ -4269,7 +4277,7 @@
         },
         "is-data-descriptor": {
             "version": "0.1.4",
-            "resolved": "http://registry.npmjs.org/is-data-descriptor/-/is-data-descriptor-0.1.4.tgz",
+            "resolved": "https://registry.npmjs.org/is-data-descriptor/-/is-data-descriptor-0.1.4.tgz",
             "integrity": "sha1-C17mSDiOLIYCgueT8YVv7D8wG1Y=",
             "dev": true,
             "requires": {
@@ -4482,7 +4490,7 @@
         },
         "jsesc": {
             "version": "1.3.0",
-            "resolved": "http://registry.npmjs.org/jsesc/-/jsesc-1.3.0.tgz",
+            "resolved": "https://registry.npmjs.org/jsesc/-/jsesc-1.3.0.tgz",
             "integrity": "sha1-RsP+yMGJKxKwgz25vHYiF226s0s=",
             "dev": true
         },
@@ -6343,7 +6351,7 @@
             "dependencies": {
                 "jsesc": {
                     "version": "0.5.0",
-                    "resolved": "http://registry.npmjs.org/jsesc/-/jsesc-0.5.0.tgz",
+                    "resolved": "https://registry.npmjs.org/jsesc/-/jsesc-0.5.0.tgz",
                     "integrity": "sha1-597mbjXW/Bb3EP6R1c9p9w8IkR0=",
                     "dev": true
                 }
@@ -7077,7 +7085,7 @@
         },
         "strip-ansi": {
             "version": "3.0.1",
-            "resolved": "http://registry.npmjs.org/strip-ansi/-/strip-ansi-3.0.1.tgz",
+            "resolved": "https://registry.npmjs.org/strip-ansi/-/strip-ansi-3.0.1.tgz",
             "integrity": "sha1-ajhfuIU9lS1f8F0Oiq+UJ43GPc8=",
             "dev": true,
             "requires": {
@@ -7133,7 +7141,7 @@
         },
         "supports-color": {
             "version": "2.0.0",
-            "resolved": "http://registry.npmjs.org/supports-color/-/supports-color-2.0.0.tgz",
+            "resolved": "https://registry.npmjs.org/supports-color/-/supports-color-2.0.0.tgz",
             "integrity": "sha1-U10EXOa2Nj+kARcIRimZXp3zJMc=",
             "dev": true
         },
@@ -8325,7 +8333,7 @@
                 },
                 "string-width": {
                     "version": "1.0.2",
-                    "resolved": "http://registry.npmjs.org/string-width/-/string-width-1.0.2.tgz",
+                    "resolved": "https://registry.npmjs.org/string-width/-/string-width-1.0.2.tgz",
                     "integrity": "sha1-EYvfW4zcUaKn5w0hHgfisLmxB9M=",
                     "dev": true,
                     "requires": {