diff --git a/package-lock.json b/package-lock.json
index d1b9872..28ef674 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -33,6 +33,12 @@
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       }
     },
+    "@tootallnate/once": {
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+      "resolved": "https://registry.npmjs.org/@tootallnate/once/-/once-1.1.2.tgz",
+      "integrity": "sha512-RbzJvlNzmRq5c3O09UipeuXno4tA1FE6ikOjxZK0tuxVv3412l64l5t1W5pj4+rJq9vpkm/kwiR07aZXnsKPxw==",
+      "dev": true
+    },
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       "resolved": "https://registry.npmjs.org/abab/-/abab-1.0.4.tgz",
@@ -101,6 +107,32 @@
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       "dev": true
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+      "resolved": "https://registry.npmjs.org/agent-base/-/agent-base-6.0.1.tgz",
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+      "dev": true,
+      "requires": {
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+      },
+      "dependencies": {
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+          "resolved": "https://registry.npmjs.org/debug/-/debug-4.1.1.tgz",
+          "integrity": "sha512-pYAIzeRo8J6KPEaJ0VWOh5Pzkbw/RetuzehGM7QRRX5he4fPHx2rdKMB256ehJCkX+XRQm16eZLqLNS8RSZXZw==",
+          "dev": true,
+          "requires": {
+            "ms": "^2.1.1"
+          }
+        },
+        "ms": {
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+          "resolved": "https://registry.npmjs.org/ms/-/ms-2.1.2.tgz",
+          "integrity": "sha512-sGkPx+VjMtmA6MX27oA4FBFELFCZZ4S4XqeGOXCv68tT+jb3vk/RyaKWP0PTKyWtmLSM0b+adUTEvbs1PEaH2w==",
+          "dev": true
+        }
+      }
+    },
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       "resolved": "https://registry.npmjs.org/ajv/-/ajv-5.5.2.tgz",
@@ -2271,15 +2303,34 @@
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-      "resolved": "https://registry.npmjs.org/codecov/-/codecov-1.0.1.tgz",
-      "integrity": "sha1-lyYM6sDpa47ajVYgBlWKU6E53/0=",
+      "version": "3.7.1",
+      "resolved": "https://registry.npmjs.org/codecov/-/codecov-3.7.1.tgz",
+      "integrity": "sha512-JHWxyPTkMLLJn9SmKJnwAnvY09kg2Os2+Ux+GG7LwZ9g8gzDDISpIN5wAsH1UBaafA/yGcd3KofMaorE8qd6Lw==",
       "dev": true,
       "requires": {
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-        "execSync": "1.0.2",
-        "request": "2.83.0",
+        "ignore-walk": "3.0.3",
+        "js-yaml": "3.13.1",
+        "teeny-request": "6.0.1",
         "urlgrey": "0.4.4"
+      },
+      "dependencies": {
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+          "version": "4.0.1",
+          "resolved": "https://registry.npmjs.org/esprima/-/esprima-4.0.1.tgz",
+          "integrity": "sha512-eGuFFw7Upda+g4p+QHvnW0RyTX/SVeJBDM/gCtMARO0cLuT2HcEKnTPvhjV6aGeqrCB/sbNop0Kszm0jsaWU4A==",
+          "dev": true
+        },
+        "js-yaml": {
+          "version": "3.13.1",
+          "resolved": "https://registry.npmjs.org/js-yaml/-/js-yaml-3.13.1.tgz",
+          "integrity": "sha512-YfbcO7jXDdyj0DGxYVSlSeQNHbD7XPWvrVWeVUujrQEoZzWJIRrCPoyk6kL6IAjAG2IolMK4T0hNUe0HOUs5Jw==",
+          "dev": true,
+          "requires": {
+            "argparse": "^1.0.7",
+            "esprima": "^4.0.0"
+          }
+        }
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@@ -2681,7 +2732,8 @@
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       "integrity": "sha1-uANhcMefB6kP8vFuIihAJ6JDhIs=",
-      "dev": true
+      "dev": true,
+      "optional": true
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@@ -3940,15 +3992,6 @@
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-      "integrity": "sha1-H0LtpYIiUYAFMiTs3T/Rlg/bMTk=",
-      "dev": true,
-      "requires": {
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-      }
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@@ -4450,7 +4493,8 @@
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-          "bundled": true
+          "bundled": true,
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@@ -4493,7 +4537,8 @@
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-          "bundled": true
+          "bundled": true,
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@@ -4506,6 +4551,7 @@
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           "bundled": true,
+          "optional": true,
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@@ -4513,6 +4559,7 @@
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           "bundled": true,
+          "optional": true,
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@@ -4520,6 +4567,7 @@
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@@ -4527,7 +4575,8 @@
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-          "bundled": true
+          "bundled": true,
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@@ -4541,30 +4590,36 @@
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+          "bundled": true,
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           "bundled": true,
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           "requires": {
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           "version": "0.0.1",
-          "bundled": true
+          "bundled": true,
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+          "bundled": true,
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-          "bundled": true
+          "bundled": true,
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           "bundled": true,
+          "optional": true,
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@@ -4599,7 +4654,8 @@
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-          "bundled": true
+          "bundled": true,
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@@ -4626,7 +4682,8 @@
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+          "bundled": true,
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@@ -4645,11 +4702,13 @@
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+          "bundled": true,
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           "bundled": true,
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@@ -4700,6 +4759,7 @@
         "glob": {
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@@ -4711,7 +4771,8 @@
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@@ -4735,6 +4796,7 @@
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           "bundled": true,
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@@ -4744,7 +4806,8 @@
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@@ -4759,6 +4822,7 @@
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@@ -4766,7 +4830,8 @@
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@@ -4776,6 +4841,7 @@
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@@ -4787,7 +4853,8 @@
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@@ -4850,11 +4917,13 @@
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@@ -4862,17 +4931,20 @@
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           "bundled": true,
+          "optional": true,
           "requires": {
             "brace-expansion": "1.1.7"
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         "minimist": {
           "version": "0.0.8",
-          "bundled": true
+          "bundled": true,
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@@ -4922,7 +4994,8 @@
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@@ -4937,6 +5010,7 @@
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           "bundled": true,
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@@ -4962,7 +5036,8 @@
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@@ -4971,7 +5046,8 @@
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@@ -5004,6 +5080,7 @@
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@@ -5046,13 +5123,15 @@
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@@ -5072,6 +5151,7 @@
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@@ -5111,6 +5192,7 @@
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@@ -5123,6 +5205,7 @@
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@@ -5135,6 +5218,7 @@
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@@ -5184,7 +5268,8 @@
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@@ -5209,7 +5294,8 @@
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@@ -6048,6 +6134,34 @@
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+      "dev": true,
+      "requires": {
+        "@tootallnate/once": "1",
+        "agent-base": "6",
+        "debug": "4"
+      },
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+          "resolved": "https://registry.npmjs.org/debug/-/debug-4.1.1.tgz",
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+          "dev": true,
+          "requires": {
+            "ms": "^2.1.1"
+          }
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+        "ms": {
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+          "resolved": "https://registry.npmjs.org/ms/-/ms-2.1.2.tgz",
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+        }
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@@ -6063,6 +6177,39 @@
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       "integrity": "sha1-P5E2XKvmC3ftDruiS0VOPgnZWoI="
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+    "https-proxy-agent": {
+      "version": "4.0.0",
+      "resolved": "https://registry.npmjs.org/https-proxy-agent/-/https-proxy-agent-4.0.0.tgz",
+      "integrity": "sha512-zoDhWrkR3of1l9QAL8/scJZyLu8j/gBkcwcaQOZh7Gyh/+uJQzGVETdgT30akuwkpL8HTRfssqI3BZuV18teDg==",
+      "dev": true,
+      "requires": {
+        "agent-base": "5",
+        "debug": "4"
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+      "dependencies": {
+        "agent-base": {
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+          "resolved": "https://registry.npmjs.org/agent-base/-/agent-base-5.1.1.tgz",
+          "integrity": "sha512-TMeqbNl2fMW0nMjTEPOwe3J/PRFP4vqeoNuQMG0HlMrtm5QxKqdvAkZ1pRBQ/ulIyDD5Yq0nJ7YbdD8ey0TO3g==",
+          "dev": true
+        },
+        "debug": {
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+          "resolved": "https://registry.npmjs.org/debug/-/debug-4.1.1.tgz",
+          "integrity": "sha512-pYAIzeRo8J6KPEaJ0VWOh5Pzkbw/RetuzehGM7QRRX5he4fPHx2rdKMB256ehJCkX+XRQm16eZLqLNS8RSZXZw==",
+          "dev": true,
+          "requires": {
+            "ms": "^2.1.1"
+          }
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+        "ms": {
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+          "resolved": "https://registry.npmjs.org/ms/-/ms-2.1.2.tgz",
+          "integrity": "sha512-sGkPx+VjMtmA6MX27oA4FBFELFCZZ4S4XqeGOXCv68tT+jb3vk/RyaKWP0PTKyWtmLSM0b+adUTEvbs1PEaH2w==",
+          "dev": true
+        }
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@@ -6090,6 +6237,15 @@
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       "dev": true
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+      "resolved": "https://registry.npmjs.org/ignore-walk/-/ignore-walk-3.0.3.tgz",
+      "integrity": "sha512-m7o6xuOaT1aqheYHKf8W6J5pYH85ZI9w077erOzLje3JsB1gkafkAhHHY19dqjulgIZHFm32Cp5uNZgcQqdJKw==",
+      "dev": true,
+      "requires": {
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@@ -11839,6 +11995,15 @@
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+      "resolved": "https://registry.npmjs.org/stream-events/-/stream-events-1.0.5.tgz",
+      "integrity": "sha512-E1GUzBSgvct8Jsb3v2X15pjzN1tYebtbLaMg+eBOUOAxgbLoSbT2NS91ckc5lJD1KfLjId+jXJRgo0qnV5Nerg==",
+      "dev": true,
+      "requires": {
+        "stubs": "^3.0.0"
+      }
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@@ -11991,6 +12156,12 @@
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       "dev": true
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+    "stubs": {
+      "version": "3.0.0",
+      "resolved": "https://registry.npmjs.org/stubs/-/stubs-3.0.0.tgz",
+      "integrity": "sha1-6NK6H6nJBXAwPAMLaQD31fiavls=",
+      "dev": true
+    },
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@@ -12161,30 +12332,30 @@
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-      "resolved": "https://registry.npmjs.org/temp/-/temp-0.5.1.tgz",
-      "integrity": "sha1-d6sZx5qntZPL5PrCRBdoytmHuN8=",
+    "teeny-request": {
+      "version": "6.0.1",
+      "resolved": "https://registry.npmjs.org/teeny-request/-/teeny-request-6.0.1.tgz",
+      "integrity": "sha512-TAK0c9a00ELOqLrZ49cFxvPVogMUFaWY8dUsQc/0CuQPGF+BOxOQzXfE413BAk2kLomwNplvdtMpeaeGWmoc2g==",
       "dev": true,
       "requires": {
-        "rimraf": "2.1.4"
+        "http-proxy-agent": "^4.0.0",
+        "https-proxy-agent": "^4.0.0",
+        "node-fetch": "^2.2.0",
+        "stream-events": "^1.0.5",
+        "uuid": "^3.3.2"
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-          "resolved": "https://registry.npmjs.org/graceful-fs/-/graceful-fs-1.2.3.tgz",
-          "integrity": "sha1-FaSAaldUfLLS2/J/QuiajDRRs2Q=",
-          "dev": true,
-          "optional": true
+        "node-fetch": {
+          "version": "2.6.0",
+          "resolved": "https://registry.npmjs.org/node-fetch/-/node-fetch-2.6.0.tgz",
+          "integrity": "sha512-8dG4H5ujfvFiqDmVu9fQ5bOHUC15JMjMY/Zumv26oOvvVJjM67KF8koCWIabKQ1GJIa9r2mMZscBq/TbdOcmNA==",
+          "dev": true
         },
-        "rimraf": {
-          "version": "2.1.4",
-          "resolved": "https://registry.npmjs.org/rimraf/-/rimraf-2.1.4.tgz",
-          "integrity": "sha1-Wm62Lu2gaPUe3lDymz5c0i89m7I=",
-          "dev": true,
-          "requires": {
-            "graceful-fs": "1.2.3"
-          }
+        "uuid": {
+          "version": "3.4.0",
+          "resolved": "https://registry.npmjs.org/uuid/-/uuid-3.4.0.tgz",
+          "integrity": "sha512-HjSDRw6gZE5JMggctHBcjVak08+KEVhSIiDzFnT9S9aegmp85S/bReBVTb4QTFaRNptJ9kuYaNhnbNEOkbKb/A==",
+          "dev": true
         }
       }
     },
diff --git a/package.json b/package.json
index 99a8499..0979eaf 100644
--- a/package.json
+++ b/package.json
@@ -139,7 +139,7 @@
     "chai-as-promised": "^5.1.0",
     "chai-enzyme": "^0.4.0",
     "cheerio": "^0.20.0",
-    "codecov": "^1.0.1",
+    "codecov": "^3.7.1",
     "enzyme": "^2.0.0",
     "eslint": "^2.4.0",
     "eslint-config-standard": "^5.1.0",