diff --git a/package-lock.json b/package-lock.json
index 05afeba..d18f9e8 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -24,14 +24,6 @@
         "lodash": "^4.17.11",
         "source-map": "^0.5.0",
         "trim-right": "^1.0.1"
-      },
-      "dependencies": {
-        "lodash": {
-          "version": "4.17.11",
-          "resolved": "https://registry.npmjs.org/lodash/-/lodash-4.17.11.tgz",
-          "integrity": "sha512-cQKh8igo5QUhZ7lg38DYWAxMvjSAKG0A8wGSVimP07SIUEK2UO+arSRKbRZWtelMtN5V0Hkwh5ryOto/SshYIg==",
-          "dev": true
-        }
       }
     },
     "@babel/helper-function-name": {
@@ -117,12 +109,6 @@
             "ms": "^2.1.1"
           }
         },
-        "lodash": {
-          "version": "4.17.11",
-          "resolved": "https://registry.npmjs.org/lodash/-/lodash-4.17.11.tgz",
-          "integrity": "sha512-cQKh8igo5QUhZ7lg38DYWAxMvjSAKG0A8wGSVimP07SIUEK2UO+arSRKbRZWtelMtN5V0Hkwh5ryOto/SshYIg==",
-          "dev": true
-        },
         "ms": {
           "version": "2.1.1",
           "resolved": "https://registry.npmjs.org/ms/-/ms-2.1.1.tgz",
@@ -140,14 +126,6 @@
         "esutils": "^2.0.2",
         "lodash": "^4.17.11",
         "to-fast-properties": "^2.0.0"
-      },
-      "dependencies": {
-        "lodash": {
-          "version": "4.17.11",
-          "resolved": "https://registry.npmjs.org/lodash/-/lodash-4.17.11.tgz",
-          "integrity": "sha512-cQKh8igo5QUhZ7lg38DYWAxMvjSAKG0A8wGSVimP07SIUEK2UO+arSRKbRZWtelMtN5V0Hkwh5ryOto/SshYIg==",
-          "dev": true
-        }
       }
     },
     "abab": {
@@ -529,13 +507,6 @@
       "integrity": "sha1-RYwH4J4NkA/Ci3Cj/sLazR0st/Y=",
       "requires": {
         "lodash": "^4.5.0"
-      },
-      "dependencies": {
-        "lodash": {
-          "version": "4.17.4",
-          "resolved": "https://registry.npmjs.org/lodash/-/lodash-4.17.4.tgz",
-          "integrity": "sha1-eCA6TRwyiuHYbcpkYONptX9AVa4="
-        }
       }
     },
     "combined-stream": {
@@ -593,13 +564,6 @@
         "supports-color": "^4.5.0",
         "tree-kill": "^1.1.0",
         "yargs": "^12.0.1"
-      },
-      "dependencies": {
-        "lodash": {
-          "version": "4.17.11",
-          "resolved": "https://registry.npmjs.org/lodash/-/lodash-4.17.11.tgz",
-          "integrity": "sha512-cQKh8igo5QUhZ7lg38DYWAxMvjSAKG0A8wGSVimP07SIUEK2UO+arSRKbRZWtelMtN5V0Hkwh5ryOto/SshYIg=="
-        }
       }
     },
     "connect": {
@@ -2127,12 +2091,6 @@
           "requires": {
             "lodash": "^4.17.11"
           }
-        },
-        "lodash": {
-          "version": "4.17.11",
-          "resolved": "https://registry.npmjs.org/lodash/-/lodash-4.17.11.tgz",
-          "integrity": "sha512-cQKh8igo5QUhZ7lg38DYWAxMvjSAKG0A8wGSVimP07SIUEK2UO+arSRKbRZWtelMtN5V0Hkwh5ryOto/SshYIg==",
-          "dev": true
         }
       }
     },
@@ -2394,6 +2352,13 @@
         "source-map": "^0.5.3",
         "tmp": "0.0.31",
         "useragent": "^2.1.12"
+      },
+      "dependencies": {
+        "lodash": {
+          "version": "3.10.1",
+          "resolved": "https://registry.npmjs.org/lodash/-/lodash-3.10.1.tgz",
+          "integrity": "sha512-9mDDwqVIma6OZX79ZlDACZl8sBm0TEnkf99zV3iMA4GzkIT/9hiqP5mY0HoT1iNLCrKc/R1HByV+yJfRWVJryQ=="
+        }
       }
     },
     "karma-chrome-launcher": {
@@ -2416,14 +2381,6 @@
         "lodash": "^4.17.0",
         "minimatch": "^3.0.0",
         "source-map": "^0.5.1"
-      },
-      "dependencies": {
-        "lodash": {
-          "version": "4.17.11",
-          "resolved": "https://registry.npmjs.org/lodash/-/lodash-4.17.11.tgz",
-          "integrity": "sha512-cQKh8igo5QUhZ7lg38DYWAxMvjSAKG0A8wGSVimP07SIUEK2UO+arSRKbRZWtelMtN5V0Hkwh5ryOto/SshYIg==",
-          "dev": true
-        }
       }
     },
     "karma-coverage-istanbul-reporter": {
@@ -2532,9 +2489,9 @@
       }
     },
     "lodash": {
-      "version": "3.10.1",
-      "resolved": "https://registry.npmjs.org/lodash/-/lodash-3.10.1.tgz",
-      "integrity": "sha1-W/Rejkm6QYnhfUgnid/RW9FAt7Y="
+      "version": "4.17.21",
+      "resolved": "https://registry.npmjs.org/lodash/-/lodash-4.17.21.tgz",
+      "integrity": "sha512-v2kDEe57lecTulaDIuNTPy3Ry4gLGJ6Z1O3vE1krgXZNrsQ+LFTGHVxVjcXPs17LhbZVGedAJv8XZ1tvj5FvSg=="
     },
     "log4js": {
       "version": "0.6.38",