diff --git a/package-lock.json b/package-lock.json
index d9dff9f..ad3d753 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -882,7 +882,8 @@
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       "resolved": "https://registry.npmjs.org/abbrev/-/abbrev-1.1.1.tgz",
-      "integrity": "sha512-nne9/IiQ/hzIhY6pdDnbBtz7DjPTKrY00P/zvPSm5pOFkl6xuGrGnXn/VtTNNfNtAfZ9/1RtehkszU9qcTii0Q=="
+      "integrity": "sha512-nne9/IiQ/hzIhY6pdDnbBtz7DjPTKrY00P/zvPSm5pOFkl6xuGrGnXn/VtTNNfNtAfZ9/1RtehkszU9qcTii0Q==",
+      "optional": true
     },
     "accepts": {
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@@ -957,21 +958,6 @@
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       "integrity": "sha512-7Bv1We7ZGuU79zZbb6rRqcpxo3OY+zrdtloZWoyD8fmGX+FeXRjE+iuGkZjSXLVovLzrsvMGMy0EkwA0E0umxg=="
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-    "acorn5-object-spread": {
-      "version": "4.0.0",
-      "resolved": "https://registry.npmjs.org/acorn5-object-spread/-/acorn5-object-spread-4.0.0.tgz",
-      "integrity": "sha1-1XWAge7ZcSGrC+R+Mcqu8qo5lpc=",
-      "requires": {
-        "acorn": "^5.1.2"
-      },
-      "dependencies": {
-        "acorn": {
-          "version": "5.7.3",
-          "resolved": "https://registry.npmjs.org/acorn/-/acorn-5.7.3.tgz",
-          "integrity": "sha512-T/zvzYRfbVojPWahDsE5evJdHb3oJoQfFbsrKM7w5Zcs++Tr257tia3BmMP8XYVjp1S9RZXQMh7gao96BlqZOw=="
-        }
-      }
-    },
     "adm-zip": {
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       "resolved": "https://registry.npmjs.org/adm-zip/-/adm-zip-0.4.13.tgz",
@@ -4348,7 +4334,8 @@
         },
         "ansi-regex": {
           "version": "2.1.1",
-          "bundled": true
+          "bundled": true,
+          "optional": true
         },
         "aproba": {
           "version": "1.2.0",
@@ -4713,7 +4700,8 @@
         },
         "safe-buffer": {
           "version": "5.1.2",
-          "bundled": true
+          "bundled": true,
+          "optional": true
         },
         "safer-buffer": {
           "version": "2.1.2",
@@ -4761,6 +4749,7 @@
         "strip-ansi": {
           "version": "3.0.1",
           "bundled": true,
+          "optional": true,
           "requires": {
             "ansi-regex": "^2.0.0"
           }
@@ -4799,11 +4788,13 @@
         },
         "wrappy": {
           "version": "1.0.2",
-          "bundled": true
+          "bundled": true,
+          "optional": true
         },
         "yallist": {
           "version": "3.0.3",
-          "bundled": true
+          "bundled": true,
+          "optional": true
         }
       }
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@@ -6173,15 +6164,15 @@
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     "jszip": {
-      "version": "3.2.2",
-      "resolved": "https://registry.npmjs.org/jszip/-/jszip-3.2.2.tgz",
-      "integrity": "sha512-NmKajvAFQpbg3taXQXr/ccS2wcucR1AZ+NtyWp2Nq7HHVsXhcJFR8p0Baf32C2yVvBylFWVeKf+WI2AnvlPhpA==",
+      "version": "3.10.1",
+      "resolved": "https://registry.npmjs.org/jszip/-/jszip-3.10.1.tgz",
+      "integrity": "sha512-xXDvecyTpGLrqFrvkrUSoxxfJI5AH7U8zxxtVclpsUtMCq4JQ290LY8AW5c7Ggnr/Y/oK+bQMbqK2qmtk3pN4g==",
       "dev": true,
       "requires": {
         "lie": "~3.3.0",
         "pako": "~1.0.2",
         "readable-stream": "~2.3.6",
-        "set-immediate-shim": "~1.0.1"
+        "setimmediate": "^1.0.5"
       }
     },
     "karma": {
@@ -9142,13 +9133,13 @@
       },
       "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=="
         },
         "buble": {
           "version": "github:pemrouz/buble#4e639aeeb64712ac95dc30a52750d1ee4432c9c8",
-          "from": "github:pemrouz/buble",
+          "from": "github:pemrouz/buble#4e639aeeb64712ac95dc30a52750d1ee4432c9c8",
           "requires": {
             "acorn": "^5.1.2",
             "acorn-jsx": "^3.0.1",
@@ -9158,6 +9149,16 @@
             "minimist": "^1.2.0",
             "os-homedir": "^1.0.1",
             "vlq": "^0.2.2"
+          },
+          "dependencies": {
+            "acorn5-object-spread": {
+              "version": "4.0.0",
+              "resolved": "https://registry.npmjs.org/acorn5-object-spread/-/acorn5-object-spread-4.0.0.tgz",
+              "integrity": "sha512-l+UYpDk+mjQoTXUHtSyUUb6glz9sSnl283LYLKvZJ7Nxpn4taIdP6DAr+8GwQ8UyY95tLWoKIr4/P7OWcw6WWw==",
+              "requires": {
+                "acorn": "^5.1.2"
+              }
+            }
           }
         },
         "magic-string": {
@@ -9463,12 +9464,6 @@
       "resolved": "https://registry.npmjs.org/set-blocking/-/set-blocking-2.0.0.tgz",
       "integrity": "sha1-BF+XgtARrppoA93TgrJDkrPYkPc="
     },
-    "set-immediate-shim": {
-      "version": "1.0.1",
-      "resolved": "https://registry.npmjs.org/set-immediate-shim/-/set-immediate-shim-1.0.1.tgz",
-      "integrity": "sha1-SysbJ+uAip+NzEgaWOXlb1mfP2E=",
-      "dev": true
-    },
     "set-value": {
       "version": "2.0.1",
       "resolved": "https://registry.npmjs.org/set-value/-/set-value-2.0.1.tgz",