diff --git a/package-lock.json b/package-lock.json
index 87b8b18c..cbfdee96 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -4,6 +4,21 @@
   "lockfileVersion": 1,
   "requires": true,
   "dependencies": {
+    "File": {
+      "version": "0.10.2",
+      "resolved": "https://registry.npmjs.org/File/-/File-0.10.2.tgz",
+      "integrity": "sha1-6Jn3dtJz4iQ7qGEFuzsFbQ+5VgQ=",
+      "dev": true,
+      "requires": {
+        "mime": "1.3.4"
+      }
+    },
+    "FileList": {
+      "version": "0.10.2",
+      "resolved": "https://registry.npmjs.org/FileList/-/FileList-0.10.2.tgz",
+      "integrity": "sha1-YAOxqXFZNBZLZ8Q0rWqHQaHNFHo=",
+      "dev": true
+    },
     "abab": {
       "version": "1.0.4",
       "resolved": "https://registry.npmjs.org/abab/-/abab-1.0.4.tgz",
@@ -1832,25 +1847,16 @@
         "object-assign": "4.1.1"
       }
     },
-    "File": {
-      "version": "0.10.2",
-      "resolved": "https://registry.npmjs.org/File/-/File-0.10.2.tgz",
-      "integrity": "sha1-6Jn3dtJz4iQ7qGEFuzsFbQ+5VgQ=",
-      "dev": true,
-      "requires": {
-        "mime": "1.3.4"
-      }
-    },
     "file-api": {
       "version": "0.10.4",
       "resolved": "https://registry.npmjs.org/file-api/-/file-api-0.10.4.tgz",
       "integrity": "sha1-LxASJttyfMAXKg3WiPL2iD1SiD0=",
       "dev": true,
       "requires": {
-        "bufferjs": "3.0.1",
         "File": "0.10.2",
-        "file-error": "0.10.2",
         "FileList": "0.10.2",
+        "bufferjs": "3.0.1",
+        "file-error": "0.10.2",
         "filereader": "0.10.3",
         "formdata": "0.10.4",
         "mime": "1.3.4",
@@ -1863,12 +1869,6 @@
       "integrity": "sha1-ljtIuSc7PUuEtADuVxvHixc5cko=",
       "dev": true
     },
-    "FileList": {
-      "version": "0.10.2",
-      "resolved": "https://registry.npmjs.org/FileList/-/FileList-0.10.2.tgz",
-      "integrity": "sha1-YAOxqXFZNBZLZ8Q0rWqHQaHNFHo=",
-      "dev": true
-    },
     "filename-regex": {
       "version": "2.0.1",
       "resolved": "https://registry.npmjs.org/filename-regex/-/filename-regex-2.0.1.tgz",
@@ -1991,9 +1991,9 @@
       "integrity": "sha1-liH9wMw2H0oBEd5dJbNfanjcVaA=",
       "dev": true,
       "requires": {
-        "bufferjs": "2.0.0",
         "File": "0.10.2",
         "FileList": "0.10.2",
+        "bufferjs": "2.0.0",
         "filereader": "0.10.3",
         "foreachasync": "3.0.0",
         "remedial": "1.0.7"
@@ -2049,7 +2049,8 @@
         "ansi-regex": {
           "version": "2.1.1",
           "bundled": true,
-          "dev": true
+          "dev": true,
+          "optional": true
         },
         "aproba": {
           "version": "1.1.1",
@@ -2100,7 +2101,8 @@
         "balanced-match": {
           "version": "0.4.2",
           "bundled": true,
-          "dev": true
+          "dev": true,
+          "optional": true
         },
         "bcrypt-pbkdf": {
           "version": "1.0.1",
@@ -2115,6 +2117,7 @@
           "version": "0.0.9",
           "bundled": true,
           "dev": true,
+          "optional": true,
           "requires": {
             "inherits": "2.0.3"
           }
@@ -2123,6 +2126,7 @@
           "version": "2.10.1",
           "bundled": true,
           "dev": true,
+          "optional": true,
           "requires": {
             "hoek": "2.16.3"
           }
@@ -2131,6 +2135,7 @@
           "version": "1.1.7",
           "bundled": true,
           "dev": true,
+          "optional": true,
           "requires": {
             "balanced-match": "0.4.2",
             "concat-map": "0.0.1"
@@ -2139,7 +2144,8 @@
         "buffer-shims": {
           "version": "1.0.0",
           "bundled": true,
-          "dev": true
+          "dev": true,
+          "optional": true
         },
         "caseless": {
           "version": "0.12.0",
@@ -2156,12 +2162,14 @@
         "code-point-at": {
           "version": "1.1.0",
           "bundled": true,
-          "dev": true
+          "dev": true,
+          "optional": true
         },
         "combined-stream": {
           "version": "1.0.5",
           "bundled": true,
           "dev": true,
+          "optional": true,
           "requires": {
             "delayed-stream": "1.0.0"
           }
@@ -2169,17 +2177,20 @@
         "concat-map": {
           "version": "0.0.1",
           "bundled": true,
-          "dev": true
+          "dev": true,
+          "optional": true
         },
         "console-control-strings": {
           "version": "1.1.0",
           "bundled": true,
-          "dev": true
+          "dev": true,
+          "optional": true
         },
         "core-util-is": {
           "version": "1.0.2",
           "bundled": true,
-          "dev": true
+          "dev": true,
+          "optional": true
         },
         "cryptiles": {
           "version": "2.0.5",
@@ -2225,7 +2236,8 @@
         "delayed-stream": {
           "version": "1.0.0",
           "bundled": true,
-          "dev": true
+          "dev": true,
+          "optional": true
         },
         "delegates": {
           "version": "1.0.0",
@@ -2251,7 +2263,8 @@
         "extsprintf": {
           "version": "1.0.2",
           "bundled": true,
-          "dev": true
+          "dev": true,
+          "optional": true
         },
         "forever-agent": {
           "version": "0.6.1",
@@ -2273,12 +2286,14 @@
         "fs.realpath": {
           "version": "1.0.0",
           "bundled": true,
-          "dev": true
+          "dev": true,
+          "optional": true
         },
         "fstream": {
           "version": "1.0.11",
           "bundled": true,
           "dev": true,
+          "optional": true,
           "requires": {
             "graceful-fs": "4.1.11",
             "inherits": "2.0.3",
@@ -2334,6 +2349,7 @@
           "version": "7.1.2",
           "bundled": true,
           "dev": true,
+          "optional": true,
           "requires": {
             "fs.realpath": "1.0.0",
             "inflight": "1.0.6",
@@ -2346,7 +2362,8 @@
         "graceful-fs": {
           "version": "4.1.11",
           "bundled": true,
-          "dev": true
+          "dev": true,
+          "optional": true
         },
         "har-schema": {
           "version": "1.0.5",
@@ -2385,7 +2402,8 @@
         "hoek": {
           "version": "2.16.3",
           "bundled": true,
-          "dev": true
+          "dev": true,
+          "optional": true
         },
         "http-signature": {
           "version": "1.1.1",
@@ -2402,6 +2420,7 @@
           "version": "1.0.6",
           "bundled": true,
           "dev": true,
+          "optional": true,
           "requires": {
             "once": "1.4.0",
             "wrappy": "1.0.2"
@@ -2410,7 +2429,8 @@
         "inherits": {
           "version": "2.0.3",
           "bundled": true,
-          "dev": true
+          "dev": true,
+          "optional": true
         },
         "ini": {
           "version": "1.3.4",
@@ -2422,6 +2442,7 @@
           "version": "1.0.0",
           "bundled": true,
           "dev": true,
+          "optional": true,
           "requires": {
             "number-is-nan": "1.0.1"
           }
@@ -2435,7 +2456,8 @@
         "isarray": {
           "version": "1.0.0",
           "bundled": true,
-          "dev": true
+          "dev": true,
+          "optional": true
         },
         "isstream": {
           "version": "0.1.2",
@@ -2508,12 +2530,14 @@
         "mime-db": {
           "version": "1.27.0",
           "bundled": true,
-          "dev": true
+          "dev": true,
+          "optional": true
         },
         "mime-types": {
           "version": "2.1.15",
           "bundled": true,
           "dev": true,
+          "optional": true,
           "requires": {
             "mime-db": "1.27.0"
           }
@@ -2522,6 +2546,7 @@
           "version": "3.0.4",
           "bundled": true,
           "dev": true,
+          "optional": true,
           "requires": {
             "brace-expansion": "1.1.7"
           }
@@ -2529,12 +2554,14 @@
         "minimist": {
           "version": "0.0.8",
           "bundled": true,
-          "dev": true
+          "dev": true,
+          "optional": true
         },
         "mkdirp": {
           "version": "0.5.1",
           "bundled": true,
           "dev": true,
+          "optional": true,
           "requires": {
             "minimist": "0.0.8"
           }
@@ -2587,7 +2614,8 @@
         "number-is-nan": {
           "version": "1.0.1",
           "bundled": true,
-          "dev": true
+          "dev": true,
+          "optional": true
         },
         "oauth-sign": {
           "version": "0.8.2",
@@ -2605,6 +2633,7 @@
           "version": "1.4.0",
           "bundled": true,
           "dev": true,
+          "optional": true,
           "requires": {
             "wrappy": "1.0.2"
           }
@@ -2634,7 +2663,8 @@
         "path-is-absolute": {
           "version": "1.0.1",
           "bundled": true,
-          "dev": true
+          "dev": true,
+          "optional": true
         },
         "performance-now": {
           "version": "0.2.0",
@@ -2645,7 +2675,8 @@
         "process-nextick-args": {
           "version": "1.0.7",
           "bundled": true,
-          "dev": true
+          "dev": true,
+          "optional": true
         },
         "punycode": {
           "version": "1.4.1",
@@ -2683,6 +2714,7 @@
           "version": "2.2.9",
           "bundled": true,
           "dev": true,
+          "optional": true,
           "requires": {
             "buffer-shims": "1.0.0",
             "core-util-is": "1.0.2",
@@ -2727,6 +2759,7 @@
           "version": "2.6.1",
           "bundled": true,
           "dev": true,
+          "optional": true,
           "requires": {
             "glob": "7.1.2"
           }
@@ -2734,7 +2767,8 @@
         "safe-buffer": {
           "version": "5.0.1",
           "bundled": true,
-          "dev": true
+          "dev": true,
+          "optional": true
         },
         "semver": {
           "version": "5.3.0",
@@ -2788,24 +2822,26 @@
             }
           }
         },
-        "string_decoder": {
-          "version": "1.0.1",
-          "bundled": true,
-          "dev": true,
-          "requires": {
-            "safe-buffer": "5.0.1"
-          }
-        },
         "string-width": {
           "version": "1.0.2",
           "bundled": true,
           "dev": true,
+          "optional": true,
           "requires": {
             "code-point-at": "1.1.0",
             "is-fullwidth-code-point": "1.0.0",
             "strip-ansi": "3.0.1"
           }
         },
+        "string_decoder": {
+          "version": "1.0.1",
+          "bundled": true,
+          "dev": true,
+          "optional": true,
+          "requires": {
+            "safe-buffer": "5.0.1"
+          }
+        },
         "stringstream": {
           "version": "0.0.5",
           "bundled": true,
@@ -2816,6 +2852,7 @@
           "version": "3.0.1",
           "bundled": true,
           "dev": true,
+          "optional": true,
           "requires": {
             "ansi-regex": "2.1.1"
           }
@@ -2830,6 +2867,7 @@
           "version": "2.2.1",
           "bundled": true,
           "dev": true,
+          "optional": true,
           "requires": {
             "block-stream": "0.0.9",
             "fstream": "1.0.11",
@@ -2885,7 +2923,8 @@
         "util-deprecate": {
           "version": "1.0.2",
           "bundled": true,
-          "dev": true
+          "dev": true,
+          "optional": true
         },
         "uuid": {
           "version": "3.0.1",
@@ -2914,7 +2953,8 @@
         "wrappy": {
           "version": "1.0.2",
           "bundled": true,
-          "dev": true
+          "dev": true,
+          "optional": true
         }
       }
     },
@@ -4079,6 +4119,7 @@
           "version": "0.1.4",
           "bundled": true,
           "dev": true,
+          "optional": true,
           "requires": {
             "kind-of": "3.0.3",
             "longest": "1.0.1",
@@ -4849,7 +4890,8 @@
         "longest": {
           "version": "1.0.1",
           "bundled": true,
-          "dev": true
+          "dev": true,
+          "optional": true
         },
         "loose-envify": {
           "version": "1.2.0",
@@ -6303,15 +6345,6 @@
       "integrity": "sha1-lAy4L8z6hOj/Lz/fKT/ngBa+zNE=",
       "dev": true
     },
-    "string_decoder": {
-      "version": "1.0.3",
-      "resolved": "https://registry.npmjs.org/string_decoder/-/string_decoder-1.0.3.tgz",
-      "integrity": "sha512-4AH6Z5fzNNBcH+6XDMfA/BTt87skxqJlO0lAh3Dker5zThcAxG6mKz+iGu308UKoPPQ8Dcqx/4JhujzltRa+hQ==",
-      "dev": true,
-      "requires": {
-        "safe-buffer": "5.1.1"
-      }
-    },
     "string-width": {
       "version": "1.0.2",
       "resolved": "https://registry.npmjs.org/string-width/-/string-width-1.0.2.tgz",
@@ -6323,6 +6356,15 @@
         "strip-ansi": "3.0.1"
       }
     },
+    "string_decoder": {
+      "version": "1.0.3",
+      "resolved": "https://registry.npmjs.org/string_decoder/-/string_decoder-1.0.3.tgz",
+      "integrity": "sha512-4AH6Z5fzNNBcH+6XDMfA/BTt87skxqJlO0lAh3Dker5zThcAxG6mKz+iGu308UKoPPQ8Dcqx/4JhujzltRa+hQ==",
+      "dev": true,
+      "requires": {
+        "safe-buffer": "5.1.1"
+      }
+    },
     "stringifier": {
       "version": "1.3.0",
       "resolved": "https://registry.npmjs.org/stringifier/-/stringifier-1.3.0.tgz",
@@ -6782,9 +6824,9 @@
       "dev": true
     },
     "xmldom": {
-      "version": "0.1.27",
-      "resolved": "https://registry.npmjs.org/xmldom/-/xmldom-0.1.27.tgz",
-      "integrity": "sha1-1QH5ezvbQDr4757MIFcxh6rawOk=",
+      "version": "0.5.0",
+      "resolved": "https://registry.npmjs.org/xmldom/-/xmldom-0.5.0.tgz",
+      "integrity": "sha512-Foaj5FXVzgn7xFzsKeNIde9g6aFBxTPi37iwsno8QvApmtg7KYrr+OPyRHcJF7dud2a5nGRBXK3n0dL62Gf7PA==",
       "dev": true
     },
     "xtend": {
diff --git a/package.json b/package.json
index 4e7e0377..a4644977 100644
--- a/package.json
+++ b/package.json
@@ -54,7 +54,7 @@
     "nyc": "^7.1.0",
     "sinon": "^1.17.6",
     "sinon-chai": "^2.8.0",
-    "xmldom": "^0.1.22"
+    "xmldom": "^0.5.0"
   },
   "ava": {
     "require": [
diff --git a/yarn.lock b/yarn.lock
index 0dd0d56a..b9c83c7b 100644
--- a/yarn.lock
+++ b/yarn.lock
@@ -2332,11 +2332,7 @@ mime-types@^2.1.11, mime-types@^2.1.12, mime-types@~2.1.17, mime-types@~2.1.7:
   dependencies:
     mime-db "~1.30.0"
 
-mime@1.3.4:
-  version "1.3.4"
-  resolved "https://registry.yarnpkg.com/mime/-/mime-1.3.4.tgz#115f9e3b6b3daf2959983cb38f149a2d40eb5d53"
-
-"mime@>= 0.0.0", "mime@>= 1.2.11":
+mime@1.3.4, "mime@>= 0.0.0", "mime@>= 1.2.11":
   version "1.3.4"
   resolved "https://registry.yarnpkg.com/mime/-/mime-1.3.4.tgz#115f9e3b6b3daf2959983cb38f149a2d40eb5d53"
 
@@ -3617,9 +3613,9 @@ xml-name-validator@^2.0.1:
   version "2.0.1"
   resolved "https://registry.yarnpkg.com/xml-name-validator/-/xml-name-validator-2.0.1.tgz#4d8b8f1eccd3419aa362061becef515e1e559635"
 
-xmldom@^0.1.22:
-  version "0.1.27"
-  resolved "https://registry.yarnpkg.com/xmldom/-/xmldom-0.1.27.tgz#d501f97b3bdb403af8ef9ecc20573187aadac0e9"
+xmldom@^0.5.0:
+  version "0.5.0"
+  resolved "https://registry.yarnpkg.com/xmldom/-/xmldom-0.5.0.tgz#193cb96b84aa3486127ea6272c4596354cb4962e"
 
 xtend@^4.0.0, xtend@~4.0.1:
   version "4.0.1"