diff --git a/package-lock.json b/package-lock.json
index 06c760da..fbfd1a2b 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -130,9 +130,9 @@
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     },
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-      "version": "4.0.13",
-      "resolved": "https://registry.npmjs.org/acorn/-/acorn-4.0.13.tgz",
-      "integrity": "sha1-EFSVrlNh1pe9GVyCUZLhrX8lN4c=",
+      "version": "6.4.2",
+      "resolved": "https://registry.npmjs.org/acorn/-/acorn-6.4.2.tgz",
+      "integrity": "sha512-XtGIhXwF8YM8bJhGxG5kXgjkEuNGLTkoYqVE+KMR+aspr4KGYmKYg7yUe3KghyQ9yheNwLnjmzh/7+gfDBmHCQ==",
       "dev": true,
       "bin": {
         "acorn": "bin/acorn"
@@ -160,6 +160,18 @@
         "acorn": "^4.0.4"
       }
     },
+    "node_modules/acorn-globals/node_modules/acorn": {
+      "version": "4.0.13",
+      "resolved": "https://registry.npmjs.org/acorn/-/acorn-4.0.13.tgz",
+      "integrity": "sha512-fu2ygVGuMmlzG8ZeRJ0bvR41nsAkxxhbyk8bZ1SS521Z7vmgJFTQQlfz/Mp/nJexGBz+v8sC9bM6+lNgskt4Ug==",
+      "dev": true,
+      "bin": {
+        "acorn": "bin/acorn"
+      },
+      "engines": {
+        "node": ">=0.4.0"
+      }
+    },
     "node_modules/acorn-jsx": {
       "version": "3.0.1",
       "resolved": "https://registry.npmjs.org/acorn-jsx/-/acorn-jsx-3.0.1.tgz",
@@ -193,18 +205,6 @@
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-    "node_modules/acorn-node/node_modules/acorn": {
-      "version": "6.1.0",
-      "resolved": "https://registry.npmjs.org/acorn/-/acorn-6.1.0.tgz",
-      "integrity": "sha512-MW/FjM+IvU9CgBzjO3UIPCE2pyEwUsoFl+VGdczOPEdxfGFjuKny/gN54mOuX7Qxmb9Rg9MCn2oKiSUeW+pjrw==",
-      "dev": true,
-      "bin": {
-        "acorn": "bin/acorn"
-      },
-      "engines": {
-        "node": ">=0.4.0"
-      }
-    },
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       "resolved": "https://registry.npmjs.org/acorn-walk/-/acorn-walk-6.1.1.tgz",
@@ -883,6 +883,18 @@
         "acorn": "^4.0.3"
       }
     },
+    "node_modules/astw/node_modules/acorn": {
+      "version": "4.0.13",
+      "resolved": "https://registry.npmjs.org/acorn/-/acorn-4.0.13.tgz",
+      "integrity": "sha512-fu2ygVGuMmlzG8ZeRJ0bvR41nsAkxxhbyk8bZ1SS521Z7vmgJFTQQlfz/Mp/nJexGBz+v8sC9bM6+lNgskt4Ug==",
+      "dev": true,
+      "bin": {
+        "acorn": "bin/acorn"
+      },
+      "engines": {
+        "node": ">=0.4.0"
+      }
+    },
     "node_modules/async": {
       "version": "2.6.2",
       "resolved": "https://registry.npmjs.org/async/-/async-2.6.2.tgz",
@@ -4627,9 +4639,9 @@
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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=",
+      "version": "2.1.3",
+      "resolved": "https://registry.npmjs.org/css-what/-/css-what-2.1.3.tgz",
+      "integrity": "sha512-a+EPoD+uZiNfh+5fxw2nO9QwFa6nJe2Or35fGY6Ipw1R3R4AGz1d1TEZrCegvw2YTmZ0jXirGYlzxxpYSHwpEg==",
       "dev": true,
       "engines": {
         "node": "*"
@@ -5071,6 +5083,18 @@
         "defined": "^1.0.0"
       }
     },
+    "node_modules/detective/node_modules/acorn": {
+      "version": "4.0.13",
+      "resolved": "https://registry.npmjs.org/acorn/-/acorn-4.0.13.tgz",
+      "integrity": "sha512-fu2ygVGuMmlzG8ZeRJ0bvR41nsAkxxhbyk8bZ1SS521Z7vmgJFTQQlfz/Mp/nJexGBz+v8sC9bM6+lNgskt4Ug==",
+      "dev": true,
+      "bin": {
+        "acorn": "bin/acorn"
+      },
+      "engines": {
+        "node": ">=0.4.0"
+      }
+    },
     "node_modules/diff": {
       "version": "3.5.0",
       "resolved": "https://registry.npmjs.org/diff/-/diff-3.5.0.tgz",
@@ -8905,6 +8929,18 @@
         "xml-name-validator": "^2.0.1"
       }
     },
+    "node_modules/jsdom/node_modules/acorn": {
+      "version": "4.0.13",
+      "resolved": "https://registry.npmjs.org/acorn/-/acorn-4.0.13.tgz",
+      "integrity": "sha512-fu2ygVGuMmlzG8ZeRJ0bvR41nsAkxxhbyk8bZ1SS521Z7vmgJFTQQlfz/Mp/nJexGBz+v8sC9bM6+lNgskt4Ug==",
+      "dev": true,
+      "bin": {
+        "acorn": "bin/acorn"
+      },
+      "engines": {
+        "node": ">=0.4.0"
+      }
+    },
     "node_modules/jsesc": {
       "version": "1.3.0",
       "resolved": "https://registry.npmjs.org/jsesc/-/jsesc-1.3.0.tgz",
@@ -13163,6 +13199,18 @@
         "acorn": "^4.0.3"
       }
     },
+    "node_modules/syntax-error/node_modules/acorn": {
+      "version": "4.0.13",
+      "resolved": "https://registry.npmjs.org/acorn/-/acorn-4.0.13.tgz",
+      "integrity": "sha512-fu2ygVGuMmlzG8ZeRJ0bvR41nsAkxxhbyk8bZ1SS521Z7vmgJFTQQlfz/Mp/nJexGBz+v8sC9bM6+lNgskt4Ug==",
+      "dev": true,
+      "bin": {
+        "acorn": "bin/acorn"
+      },
+      "engines": {
+        "node": ">=0.4.0"
+      }
+    },
     "node_modules/table": {
       "version": "3.8.3",
       "resolved": "https://registry.npmjs.org/table/-/table-3.8.3.tgz",
@@ -14445,9 +14493,9 @@
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     },
     "acorn": {
-      "version": "4.0.13",
-      "resolved": "https://registry.npmjs.org/acorn/-/acorn-4.0.13.tgz",
-      "integrity": "sha1-EFSVrlNh1pe9GVyCUZLhrX8lN4c=",
+      "version": "6.4.2",
+      "resolved": "https://registry.npmjs.org/acorn/-/acorn-6.4.2.tgz",
+      "integrity": "sha512-XtGIhXwF8YM8bJhGxG5kXgjkEuNGLTkoYqVE+KMR+aspr4KGYmKYg7yUe3KghyQ9yheNwLnjmzh/7+gfDBmHCQ==",
       "dev": true
     },
     "acorn-dynamic-import": {
@@ -14464,6 +14512,14 @@
       "dev": true,
       "requires": {
         "acorn": "^4.0.4"
+      },
+      "dependencies": {
+        "acorn": {
+          "version": "4.0.13",
+          "resolved": "https://registry.npmjs.org/acorn/-/acorn-4.0.13.tgz",
+          "integrity": "sha512-fu2ygVGuMmlzG8ZeRJ0bvR41nsAkxxhbyk8bZ1SS521Z7vmgJFTQQlfz/Mp/nJexGBz+v8sC9bM6+lNgskt4Ug==",
+          "dev": true
+        }
       }
     },
     "acorn-jsx": {
@@ -14493,14 +14549,6 @@
         "acorn-dynamic-import": "^4.0.0",
         "acorn-walk": "^6.1.0",
         "xtend": "^4.0.1"
-      },
-      "dependencies": {
-        "acorn": {
-          "version": "6.1.0",
-          "resolved": "https://registry.npmjs.org/acorn/-/acorn-6.1.0.tgz",
-          "integrity": "sha512-MW/FjM+IvU9CgBzjO3UIPCE2pyEwUsoFl+VGdczOPEdxfGFjuKny/gN54mOuX7Qxmb9Rg9MCn2oKiSUeW+pjrw==",
-          "dev": true
-        }
       }
     },
     "acorn-walk": {
@@ -15050,6 +15098,14 @@
       "dev": true,
       "requires": {
         "acorn": "^4.0.3"
+      },
+      "dependencies": {
+        "acorn": {
+          "version": "4.0.13",
+          "resolved": "https://registry.npmjs.org/acorn/-/acorn-4.0.13.tgz",
+          "integrity": "sha512-fu2ygVGuMmlzG8ZeRJ0bvR41nsAkxxhbyk8bZ1SS521Z7vmgJFTQQlfz/Mp/nJexGBz+v8sC9bM6+lNgskt4Ug==",
+          "dev": true
+        }
       }
     },
     "async": {
@@ -18386,9 +18442,9 @@
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     "css-what": {
-      "version": "2.1.0",
-      "resolved": "https://registry.npmjs.org/css-what/-/css-what-2.1.0.tgz",
-      "integrity": "sha1-lGfQMsOM+u+58teVASUwYvh/ob0=",
+      "version": "2.1.3",
+      "resolved": "https://registry.npmjs.org/css-what/-/css-what-2.1.3.tgz",
+      "integrity": "sha512-a+EPoD+uZiNfh+5fxw2nO9QwFa6nJe2Or35fGY6Ipw1R3R4AGz1d1TEZrCegvw2YTmZ0jXirGYlzxxpYSHwpEg==",
       "dev": true
     },
     "cssom": {
@@ -18756,6 +18812,14 @@
       "requires": {
         "acorn": "^4.0.3",
         "defined": "^1.0.0"
+      },
+      "dependencies": {
+        "acorn": {
+          "version": "4.0.13",
+          "resolved": "https://registry.npmjs.org/acorn/-/acorn-4.0.13.tgz",
+          "integrity": "sha512-fu2ygVGuMmlzG8ZeRJ0bvR41nsAkxxhbyk8bZ1SS521Z7vmgJFTQQlfz/Mp/nJexGBz+v8sC9bM6+lNgskt4Ug==",
+          "dev": true
+        }
       }
     },
     "diff": {
@@ -22011,6 +22075,14 @@
         "whatwg-encoding": "^1.0.1",
         "whatwg-url": "^4.3.0",
         "xml-name-validator": "^2.0.1"
+      },
+      "dependencies": {
+        "acorn": {
+          "version": "4.0.13",
+          "resolved": "https://registry.npmjs.org/acorn/-/acorn-4.0.13.tgz",
+          "integrity": "sha512-fu2ygVGuMmlzG8ZeRJ0bvR41nsAkxxhbyk8bZ1SS521Z7vmgJFTQQlfz/Mp/nJexGBz+v8sC9bM6+lNgskt4Ug==",
+          "dev": true
+        }
       }
     },
     "jsesc": {
@@ -25573,6 +25645,14 @@
       "dev": true,
       "requires": {
         "acorn": "^4.0.3"
+      },
+      "dependencies": {
+        "acorn": {
+          "version": "4.0.13",
+          "resolved": "https://registry.npmjs.org/acorn/-/acorn-4.0.13.tgz",
+          "integrity": "sha512-fu2ygVGuMmlzG8ZeRJ0bvR41nsAkxxhbyk8bZ1SS521Z7vmgJFTQQlfz/Mp/nJexGBz+v8sC9bM6+lNgskt4Ug==",
+          "dev": true
+        }
       }
     },
     "table": {