diff --git a/package-lock.json b/package-lock.json
index fc6ad96..228615f 100644
--- a/package-lock.json
+++ b/package-lock.json
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+          "resolved": "https://registry.npmjs.org/css-select/-/css-select-1.2.0.tgz",
           "integrity": "sha1-KzoRBTnFNV8c2NMUYj6HCxIeyFg=",
           "requires": {
             "boolbase": "~1.0.0",
@@ -12490,7 +12509,7 @@
             },
             "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=",
               "requires": {
                 "kind-of": "^3.0.2"
@@ -12508,7 +12527,7 @@
             },
             "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=",
               "requires": {
                 "kind-of": "^3.0.2"
@@ -12932,7 +12951,7 @@
       "dependencies": {
         "kind-of": {
           "version": "2.0.1",
-          "resolved": "http://registry.npmjs.org/kind-of/-/kind-of-2.0.1.tgz",
+          "resolved": "https://registry.npmjs.org/kind-of/-/kind-of-2.0.1.tgz",
           "integrity": "sha1-AY7HpM5+OobLkUG+UZ0kyPqpgbU=",
           "requires": {
             "is-buffer": "^1.0.2"
@@ -13453,7 +13472,7 @@
     },
     "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=",
       "requires": {
         "ansi-regex": "^2.0.0"
@@ -13992,7 +14011,7 @@
       "dependencies": {
         "cacache": {
           "version": "10.0.4",
-          "resolved": "http://registry.npmjs.org/cacache/-/cacache-10.0.4.tgz",
+          "resolved": "https://registry.npmjs.org/cacache/-/cacache-10.0.4.tgz",
           "integrity": "sha512-Dph0MzuH+rTQzGPNT9fAnrPmMmjKfST6trxJeK7NQuHRaVw24VzPRWTmg9MpcwOVQZO0E1FBICUlFeNaKPIfHA==",
           "requires": {
             "bluebird": "^3.5.1",
@@ -14457,9 +14476,9 @@
       },
       "dependencies": {
         "acorn": {
-          "version": "5.7.3",
-          "resolved": "https://registry.npmjs.org/acorn/-/acorn-5.7.3.tgz",
-          "integrity": "sha512-T/zvzYRfbVojPWahDsE5evJdHb3oJoQfFbsrKM7w5Zcs++Tr257tia3BmMP8XYVjp1S9RZXQMh7gao96BlqZOw=="
+          "version": "5.7.4",
+          "resolved": "https://registry.npmjs.org/acorn/-/acorn-5.7.4.tgz",
+          "integrity": "sha512-1D++VG7BhrtvQpNbBzovKNc1FLGGEE/oGe7b9xJm/RFHMBeUaUGpluV9RLjZa47YFdPcDAenEYuq9pQPcMdLJg=="
         },
         "arr-diff": {
           "version": "4.0.0",
@@ -14547,7 +14566,7 @@
             },
             "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=",
               "requires": {
                 "kind-of": "^3.0.2"
@@ -14565,7 +14584,7 @@
             },
             "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=",
               "requires": {
                 "kind-of": "^3.0.2"
@@ -15196,7 +15215,7 @@
         },
         "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=",
           "requires": {
             "code-point-at": "^1.0.0",
@@ -15269,7 +15288,7 @@
     },
     "yargs": {
       "version": "11.1.0",
-      "resolved": "http://registry.npmjs.org/yargs/-/yargs-11.1.0.tgz",
+      "resolved": "https://registry.npmjs.org/yargs/-/yargs-11.1.0.tgz",
       "integrity": "sha512-NwW69J42EsCSanF8kyn5upxvjp5ds+t3+udGBeTbFnERA+lF541DDpMawzo4z6W/QrzNM18D+BPMiOBibnFV5A==",
       "requires": {
         "cliui": "^4.0.0",
diff --git a/yarn.lock b/yarn.lock
index 13a1e98..e7191e0 100644
--- a/yarn.lock
+++ b/yarn.lock
@@ -1259,14 +1259,10 @@ acorn-walk@^6.0.1:
   resolved "https://registry.yarnpkg.com/acorn-walk/-/acorn-walk-6.2.0.tgz#123cb8f3b84c2171f1f7fb252615b1c78a6b1a8c"
   integrity sha512-7evsyfH1cLOCdAzZAd43Cic04yKydNx0cF+7tiA19p1XnLLPU4dpCQOqpjqwokFe//vS0QqfqqjCS2JkiIs0cA==
 
-acorn@^5.0.0:
-  version "5.7.1"
-  resolved "https://registry.yarnpkg.com/acorn/-/acorn-5.7.1.tgz#f095829297706a7c9776958c0afc8930a9b9d9d8"
-
-acorn@^5.5.3, acorn@^5.6.2:
-  version "5.7.3"
-  resolved "https://registry.yarnpkg.com/acorn/-/acorn-5.7.3.tgz#67aa231bf8812974b85235a96771eb6bd07ea279"
-  integrity sha512-T/zvzYRfbVojPWahDsE5evJdHb3oJoQfFbsrKM7w5Zcs++Tr257tia3BmMP8XYVjp1S9RZXQMh7gao96BlqZOw==
+acorn@^5.0.0, acorn@^5.5.3, acorn@^5.6.2:
+  version "5.7.4"
+  resolved "https://registry.yarnpkg.com/acorn/-/acorn-5.7.4.tgz#3e8d8a9947d0599a1796d10225d7432f4a4acf5e"
+  integrity sha512-1D++VG7BhrtvQpNbBzovKNc1FLGGEE/oGe7b9xJm/RFHMBeUaUGpluV9RLjZa47YFdPcDAenEYuq9pQPcMdLJg==
 
 acorn@^6.0.1, acorn@^6.0.7:
   version "6.3.0"