diff --git a/package-lock.json b/package-lock.json
index cca7f51..4bdff03 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -1,6 +1,6 @@
 {
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-  "version": "1.0.0",
+  "version": "1.1.0",
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@@ -1147,9 +1147,9 @@
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+      "resolved": "https://registry.npmjs.org/aws4/-/aws4-1.11.0.tgz",
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@@ -1644,9 +1644,9 @@
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@@ -1772,23 +1772,22 @@
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-      "resolved": "https://registry.npmjs.org/coveralls/-/coveralls-3.0.3.tgz",
-      "integrity": "sha512-viNfeGlda2zJr8Gj1zqXpDMRjw9uM54p7wzZdvLRyOgnAfCe974Dq4veZkjJdxQXbmdppu6flEajFYseHYaUhg==",
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+      "resolved": "https://registry.npmjs.org/coveralls/-/coveralls-3.1.1.tgz",
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       "dev": true,
       "requires": {
-        "growl": "~> 1.10.0",
-        "js-yaml": "^3.11.0",
-        "lcov-parse": "^0.0.10",
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+        "lcov-parse": "^1.0.0",
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-        "minimist": "^1.2.0",
-        "request": "^2.86.0"
+        "minimist": "^1.2.5",
+        "request": "^2.88.2"
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-          "resolved": "https://registry.npmjs.org/minimist/-/minimist-1.2.0.tgz",
-          "integrity": "sha1-o1AIsg9BOD7sH7kU9M1d95omQoQ=",
+          "version": "1.2.5",
+          "resolved": "https://registry.npmjs.org/minimist/-/minimist-1.2.5.tgz",
+          "integrity": "sha512-FM9nNUYrRBAELZQT3xeZQ7fmMOBg6nWNmJKTcgsJeaLstP/UODVpGsr5OhXhhXg6f+qtJ8uiZ+PUxkDWcgIXLw==",
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@@ -3444,12 +3443,6 @@
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-      "resolved": "https://registry.npmjs.org/growl/-/growl-1.10.5.tgz",
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-      "dev": true
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@@ -3490,13 +3483,33 @@
       "dev": true
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-      "resolved": "https://registry.npmjs.org/har-validator/-/har-validator-5.1.3.tgz",
-      "integrity": "sha512-sNvOCzEQNr/qrvJgc3UG/kD4QtlHycrzwS+6mfTrrSq97BvaYcPZZI1ZSqGSPR73Cxn4LKTD4PttRwfU7jWq5g==",
+      "version": "5.1.5",
+      "resolved": "https://registry.npmjs.org/har-validator/-/har-validator-5.1.5.tgz",
+      "integrity": "sha512-nmT2T0lljbxdQZfspsno9hgrG3Uir6Ks5afism62poxqBM6sDnMEuPmzTq8XN0OEwqKLLdh1jQI3qyE66Nzb3w==",
       "dev": true,
       "requires": {
-        "ajv": "^6.5.5",
+        "ajv": "^6.12.3",
         "har-schema": "^2.0.0"
+      },
+      "dependencies": {
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+          "version": "6.12.6",
+          "resolved": "https://registry.npmjs.org/ajv/-/ajv-6.12.6.tgz",
+          "integrity": "sha512-j3fVLgvTo527anyYyJOGTYJbG+vnnQYvE0m5mmkc1TK+nxAppkCLMIL0aZ4dblVCNoGShhm+kzE4ZUykBoMg4g==",
+          "dev": true,
+          "requires": {
+            "fast-deep-equal": "^3.1.1",
+            "fast-json-stable-stringify": "^2.0.0",
+            "json-schema-traverse": "^0.4.1",
+            "uri-js": "^4.2.2"
+          }
+        },
+        "fast-deep-equal": {
+          "version": "3.1.3",
+          "resolved": "https://registry.npmjs.org/fast-deep-equal/-/fast-deep-equal-3.1.3.tgz",
+          "integrity": "sha512-f3qQ9oQy9j2AhBe/H9VC91wLmKBCCU/gDOnKNAYG5hswO7BLKj09Hc5HYNz9cGI++xlpDCIgDaitVs03ATR84Q==",
+          "dev": true
+        }
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@@ -4351,9 +4364,9 @@
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-      "resolved": "https://registry.npmjs.org/lcov-parse/-/lcov-parse-0.0.10.tgz",
-      "integrity": "sha1-GwuP+ayceIklBYK3C3ExXZ2m2aM=",
+      "version": "1.0.0",
+      "resolved": "https://registry.npmjs.org/lcov-parse/-/lcov-parse-1.0.0.tgz",
+      "integrity": "sha1-6w1GtUER68VhrLTECO+TY73I9+A=",
       "dev": true
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@@ -4680,18 +4693,18 @@
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-      "resolved": "https://registry.npmjs.org/mime-db/-/mime-db-1.38.0.tgz",
-      "integrity": "sha512-bqVioMFFzc2awcdJZIzR3HjZFX20QhilVS7hytkKrv7xFAn8bM1gzc/FOX2awLISvWe0PV8ptFKcon+wZ5qYkg==",
+      "version": "1.50.0",
+      "resolved": "https://registry.npmjs.org/mime-db/-/mime-db-1.50.0.tgz",
+      "integrity": "sha512-9tMZCDlYHqeERXEHO9f/hKfNXhre5dK2eE/krIvUjZbS2KPcqGDfNShIWS1uW9XOTKQKqK6qbeOci18rbfW77A==",
       "dev": true
     },
     "mime-types": {
-      "version": "2.1.22",
-      "resolved": "https://registry.npmjs.org/mime-types/-/mime-types-2.1.22.tgz",
-      "integrity": "sha512-aGl6TZGnhm/li6F7yx82bJiBZwgiEa4Hf6CNr8YO+r5UHr53tSTYZb102zyU50DOWWKeOv0uQLRL0/9EiKWCog==",
+      "version": "2.1.33",
+      "resolved": "https://registry.npmjs.org/mime-types/-/mime-types-2.1.33.tgz",
+      "integrity": "sha512-plLElXp7pRDd0bNZHw+nMd52vRYjLwQjygaNg7ddJ2uJtTlmnTCjWuPKxVu6//AdaRuME84SvLW91sIkBqGT0g==",
       "dev": true,
       "requires": {
-        "mime-db": "~1.38.0"
+        "mime-db": "1.50.0"
       }
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     "mimic-fn": {
@@ -5639,9 +5652,9 @@
       "dev": true
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-      "resolved": "https://registry.npmjs.org/psl/-/psl-1.1.31.tgz",
-      "integrity": "sha512-/6pt4+C+T+wZUieKR620OpzN/LlnNKuWjy1iFLQ/UG35JqHlR/89MP1d96dUfkf6Dne3TuLQzOYEYshJ+Hx8mw==",
+      "version": "1.8.0",
+      "resolved": "https://registry.npmjs.org/psl/-/psl-1.8.0.tgz",
+      "integrity": "sha512-RIdOzyoavK+hA18OGGWDqUTsCLhtA7IcZ/6NCs4fFJaHBDab+pDDmDIByWFRQJq2Cd7r1OoQxBGKOaztq+hjIQ==",
       "dev": true
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@@ -5664,9 +5677,9 @@
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-      "version": "1.4.1",
-      "resolved": "https://registry.npmjs.org/punycode/-/punycode-1.4.1.tgz",
-      "integrity": "sha1-wNWmOycYgArY4esPpSachN1BhF4=",
+      "version": "2.1.1",
+      "resolved": "https://registry.npmjs.org/punycode/-/punycode-2.1.1.tgz",
+      "integrity": "sha512-XRsRjdf+j5ml+y/6GKHPZbrF/8p2Yga0JPtdqTIY2Xe5ohJPD9saDJJLPvp9+NSBprVvevdXZybnj2cv8OEd0A==",
       "dev": true
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@@ -5920,9 +5933,9 @@
       "dev": true
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-      "resolved": "https://registry.npmjs.org/request/-/request-2.88.0.tgz",
-      "integrity": "sha512-NAqBSrijGLZdM0WZNsInLJpkJokL72XYjUpnB0iwsRgxh7dB6COrHnTBNwN0E+lHDAJzu7kLAkDeY08z2/A0hg==",
+      "version": "2.88.2",
+      "resolved": "https://registry.npmjs.org/request/-/request-2.88.2.tgz",
+      "integrity": "sha512-MsvtOrfG9ZcrOwAW+Qi+F6HbD0CWXEh9ou77uOb7FM2WPhwT7smM833PzanhJLsgXjN89Ir6V2PczXNnMpwKhw==",
       "dev": true,
       "requires": {
         "aws-sign2": "~0.7.0",
@@ -5932,7 +5945,7 @@
         "extend": "~3.0.2",
         "forever-agent": "~0.6.1",
         "form-data": "~2.3.2",
-        "har-validator": "~5.1.0",
+        "har-validator": "~5.1.3",
         "http-signature": "~1.2.0",
         "is-typedarray": "~1.0.0",
         "isstream": "~0.1.2",
@@ -5942,7 +5955,7 @@
         "performance-now": "^2.1.0",
         "qs": "~6.5.2",
         "safe-buffer": "^5.1.2",
-        "tough-cookie": "~2.4.3",
+        "tough-cookie": "~2.5.0",
         "tunnel-agent": "^0.6.0",
         "uuid": "^3.3.2"
       }
@@ -6833,13 +6846,13 @@
       }
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-      "resolved": "https://registry.npmjs.org/tough-cookie/-/tough-cookie-2.4.3.tgz",
-      "integrity": "sha512-Q5srk/4vDM54WJsJio3XNn6K2sCG+CQ8G5Wz6bZhRZoAe/+TxjWB/GlFAnYEbkYVlON9FMk/fE3h2RLpPXo4lQ==",
+      "version": "2.5.0",
+      "resolved": "https://registry.npmjs.org/tough-cookie/-/tough-cookie-2.5.0.tgz",
+      "integrity": "sha512-nlLsUzgm1kfLXSXfRZMc1KLAugd4hqJHDTvc2hDIwS3mZAfMEuMbc03SujMF+GEcpaX/qboeycw6iO8JwVv2+g==",
       "dev": true,
       "requires": {
-        "psl": "^1.1.24",
-        "punycode": "^1.4.1"
+        "psl": "^1.1.28",
+        "punycode": "^2.1.1"
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     "trim-newlines": {
diff --git a/package.json b/package.json
index 53d649f..b6cc709 100644
--- a/package.json
+++ b/package.json
@@ -48,7 +48,7 @@
   },
   "devDependencies": {
     "ava": "1.4.1",
-    "coveralls": "3.0.3",
+    "coveralls": "3.1.1",
     "eslint": "5.16.0",
     "eslint-config-holidaycheck": "0.13.1",
     "nyc": "14.1.1",