diff --git a/package-lock.json b/package-lock.json
index 8f0d552..c05ead5 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -4,6 +4,15 @@
   "lockfileVersion": 1,
   "requires": true,
   "dependencies": {
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+      "resolved": "https://registry.npmjs.org/@sinonjs/commons/-/commons-1.4.0.tgz",
+      "integrity": "sha512-9jHK3YF/8HtJ9wCAbG+j8cD0i0+ATS9A7gXFqS36TblLPNy6rEEc+SB0imo91eCboGaBYGV/MT1/br/J+EE7Tw==",
+      "dev": true,
+      "requires": {
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+      }
+    },
     "@sinonjs/formatio": {
       "version": "2.0.0",
       "resolved": "https://registry.npmjs.org/@sinonjs/formatio/-/formatio-2.0.0.tgz",
@@ -13,6 +22,31 @@
         "samsam": "1.3.0"
       }
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+    "@sinonjs/samsam": {
+      "version": "3.3.2",
+      "resolved": "https://registry.npmjs.org/@sinonjs/samsam/-/samsam-3.3.2.tgz",
+      "integrity": "sha512-ILO/rR8LfAb60Y1Yfp9vxfYAASK43NFC2mLzpvLUbCQY/Qu8YwReboseu8aheCEkyElZF2L2T9mHcR2bgdvZyA==",
+      "dev": true,
+      "requires": {
+        "@sinonjs/commons": "^1.0.2",
+        "array-from": "^2.1.1",
+        "lodash": "^4.17.11"
+      },
+      "dependencies": {
+        "lodash": {
+          "version": "4.17.15",
+          "resolved": "https://registry.npmjs.org/lodash/-/lodash-4.17.15.tgz",
+          "integrity": "sha512-8xOcRHvCjnocdS5cpwXQXVzmmh5e5+saE2QGoeQmbKmRS6J3VQppPOIt0MnmE+4xlZoumy0GPG0D0MVIQbNA1A==",
+          "dev": true
+        }
+      }
+    },
+    "@sinonjs/text-encoding": {
+      "version": "0.7.1",
+      "resolved": "https://registry.npmjs.org/@sinonjs/text-encoding/-/text-encoding-0.7.1.tgz",
+      "integrity": "sha512-+iTbntw2IZPb/anVDbypzfQa+ay64MW0Zo8aJ8gZPWMMK6/OubMVb6lUPMagqjOPnmtauXnFCACVl3O7ogjeqQ==",
+      "dev": true
+    },
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       "resolved": "https://registry.npmjs.org/abab/-/abab-1.0.4.tgz",
@@ -24,7 +58,8 @@
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       "integrity": "sha1-q259nYhqrKiwhbwzEreaGYQz8Oc=",
-      "dev": true
+      "dev": true,
+      "optional": true
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@@ -128,6 +163,12 @@
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       "dev": true
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+    "array-from": {
+      "version": "2.1.1",
+      "resolved": "https://registry.npmjs.org/array-from/-/array-from-2.1.1.tgz",
+      "integrity": "sha1-z+nYwmYoudxa7MYqn12PHzUsEZU=",
+      "dev": true
+    },
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@@ -924,9 +965,9 @@
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-      "integrity": "sha1-81HTKWnTL6XXpVZxVCY9korjvR8=",
+      "version": "1.3.1",
+      "resolved": "https://registry.npmjs.org/browser-stdout/-/browser-stdout-1.3.1.tgz",
+      "integrity": "sha512-qhAVI1+Av2X7qelOfAIYwXONood6XlZE/fXaBSmW/T5SzLAmCgzi+eiWE7fUvbHaeNBQH13UftjpXxsfLkMpgw==",
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       "integrity": "sha1-uANhcMefB6kP8vFuIihAJ6JDhIs=",
-      "dev": true
+      "dev": true,
+      "optional": true
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@@ -1276,6 +1318,17 @@
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         "pinkie-promise": "2.0.1",
         "rimraf": "2.6.2"
+      },
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+          "resolved": "https://registry.npmjs.org/rimraf/-/rimraf-2.6.2.tgz",
+          "integrity": "sha512-lreewLK/BlghmxtfH36YYVg1i8IAce4TI7oao75I1g245+6BctqTVQiBP3YUJ9C6DQOXJmkYR9X9fCLtCOJc5w==",
+          "dev": true,
+          "requires": {
+            "glob": "^7.0.5"
+          }
+        }
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@@ -1294,9 +1347,9 @@
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-      "integrity": "sha512-MKPHZDMB0o6yHyDryUOScqZibp914ksXwAMYMTHj6KO8UeKsRYNJD3oNCKjTqZon+V488P7N/HzXF8t7ZR95ww==",
+      "version": "3.5.0",
+      "resolved": "https://registry.npmjs.org/diff/-/diff-3.5.0.tgz",
+      "integrity": "sha512-A46qtFgd+g7pDZinpnwiRJtxbC1hpgf0uzP3iG89scHk0AUC7A1TGxf5OiiOUv/JMZR8GOt8hL900hV0bOy5xA==",
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@@ -2116,7 +2169,8 @@
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@@ -2167,7 +2221,8 @@
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@@ -2182,6 +2237,7 @@
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@@ -2190,6 +2246,7 @@
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@@ -2198,6 +2255,7 @@
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@@ -2206,7 +2264,8 @@
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-          "dev": true
+          "dev": true,
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@@ -2223,12 +2282,14 @@
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+          "dev": true,
+          "optional": true
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           "version": "1.0.5",
           "bundled": true,
           "dev": true,
+          "optional": true,
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@@ -2236,22 +2297,26 @@
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+          "dev": true,
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           "version": "1.1.0",
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-          "dev": true
+          "dev": true,
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-          "dev": true
+          "dev": true,
+          "optional": true
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           "version": "2.0.5",
           "bundled": true,
           "dev": true,
+          "optional": true,
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@@ -2291,7 +2356,8 @@
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@@ -2323,7 +2389,8 @@
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@@ -2345,12 +2412,14 @@
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           "bundled": true,
           "dev": true,
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@@ -2406,6 +2475,7 @@
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@@ -2418,7 +2488,8 @@
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@@ -2446,6 +2517,7 @@
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@@ -2456,7 +2528,8 @@
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@@ -2473,6 +2546,7 @@
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@@ -2481,7 +2555,8 @@
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@@ -2493,6 +2568,7 @@
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           "dev": true,
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@@ -2506,7 +2582,8 @@
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@@ -2579,12 +2656,14 @@
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           "version": "2.1.15",
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@@ -2593,6 +2672,7 @@
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@@ -2600,12 +2680,14 @@
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@@ -2660,7 +2742,8 @@
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@@ -2678,6 +2761,7 @@
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@@ -2707,7 +2791,8 @@
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@@ -2718,7 +2803,8 @@
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@@ -2800,6 +2887,7 @@
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@@ -2807,7 +2895,8 @@
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@@ -2831,6 +2920,7 @@
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@@ -2864,6 +2954,7 @@
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@@ -2874,6 +2965,7 @@
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@@ -2888,6 +2980,7 @@
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@@ -2902,6 +2995,7 @@
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@@ -2957,7 +3051,8 @@
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@@ -2986,7 +3081,8 @@
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+      "resolved": "https://registry.npmjs.org/growl/-/growl-1.10.5.tgz",
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@@ -3727,9 +3823,9 @@
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       "requires": {
-        "browser-stdout": "1.3.0",
-        "commander": "2.11.0",
+        "browser-stdout": "1.3.1",
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           "dev": true,
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-            "has-flag": "2.0.0"
+            "has-flag": "^3.0.0"
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@@ -4040,16 +4131,34 @@
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+      "resolved": "https://registry.npmjs.org/nise/-/nise-1.5.1.tgz",
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-        "lolex": "2.3.2",
-        "path-to-regexp": "1.7.0",
-        "text-encoding": "0.6.4"
+        "@sinonjs/formatio": "^3.2.1",
+        "@sinonjs/text-encoding": "^0.7.1",
+        "just-extend": "^4.0.2",
+        "lolex": "^4.1.0",
+        "path-to-regexp": "^1.7.0"
+      },
+      "dependencies": {
+        "@sinonjs/formatio": {
+          "version": "3.2.1",
+          "resolved": "https://registry.npmjs.org/@sinonjs/formatio/-/formatio-3.2.1.tgz",
+          "integrity": "sha512-tsHvOB24rvyvV2+zKMmPkZ7dXX6LSLKZ7aOtXY6Edklp0uRcgGpOsQTTGTcWViFyx4uhWc6GV8QdnALbIbIdeQ==",
+          "dev": true,
+          "requires": {
+            "@sinonjs/commons": "^1",
+            "@sinonjs/samsam": "^3.1.0"
+          }
+        },
+        "lolex": {
+          "version": "4.2.0",
+          "resolved": "https://registry.npmjs.org/lolex/-/lolex-4.2.0.tgz",
+          "integrity": "sha512-gKO5uExCXvSm6zbF562EvM+rd1kQDnB9AZBbiQVzf1ZmdDpxUSvpnAaVOP83N/31mRK8Ml8/VE8DMvsAZQ+7wg==",
+          "dev": true
+        }
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     "normalize-package-data": {
@@ -4134,6 +4243,7 @@
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           "dev": true,
+          "optional": true,
           "requires": {
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@@ -4944,7 +5054,8 @@
         "longest": {
           "version": "1.0.1",
           "bundled": true,
-          "dev": true
+          "dev": true,
+          "optional": true
         },
         "loose-envify": {
           "version": "1.3.1",
@@ -6263,12 +6374,28 @@
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-      "resolved": "https://registry.npmjs.org/rimraf/-/rimraf-2.6.2.tgz",
-      "integrity": "sha512-lreewLK/BlghmxtfH36YYVg1i8IAce4TI7oao75I1g245+6BctqTVQiBP3YUJ9C6DQOXJmkYR9X9fCLtCOJc5w==",
+      "version": "3.0.0",
+      "resolved": "https://registry.npmjs.org/rimraf/-/rimraf-3.0.0.tgz",
+      "integrity": "sha512-NDGVxTsjqfunkds7CqsOiEnxln4Bo7Nddl3XhS4pXg5OzwkLqJ971ZVAAnB+DDLnF76N+VnDEiBHaVV8I06SUg==",
       "dev": true,
       "requires": {
-        "glob": "7.1.2"
+        "glob": "^7.1.3"
+      },
+      "dependencies": {
+        "glob": {
+          "version": "7.1.4",
+          "resolved": "https://registry.npmjs.org/glob/-/glob-7.1.4.tgz",
+          "integrity": "sha512-hkLPepehmnKk41pUGm3sYxoFs/umurYfYJCerbXEyFIWcAzvpipAgVkBqqT9RBKMGjnq6kMuyYwha6csxbiM1A==",
+          "dev": true,
+          "requires": {
+            "fs.realpath": "^1.0.0",
+            "inflight": "^1.0.4",
+            "inherits": "2",
+            "minimatch": "^3.0.4",
+            "once": "^1.3.0",
+            "path-is-absolute": "^1.0.0"
+          }
+        }
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     },
     "run-async": {
@@ -6349,27 +6476,27 @@
       "dev": true
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-      "version": "4.4.2",
-      "resolved": "https://registry.npmjs.org/sinon/-/sinon-4.4.2.tgz",
-      "integrity": "sha512-cpOHpnRyY3Dk9dTHBYMfVBB0HUCSKIpxW07X6OGW2NiYPovs4AkcL8Q8MzecbAROjbfRA9esJCmlZgikxDz7DA==",
+      "version": "5.1.1",
+      "resolved": "https://registry.npmjs.org/sinon/-/sinon-5.1.1.tgz",
+      "integrity": "sha512-h/3uHscbt5pQNxkf7Y/Lb9/OM44YNCicHakcq73ncbrIS8lXg+ZGOZbtuU+/km4YnyiCYfQQEwANaReJz7KDfw==",
       "dev": true,
       "requires": {
-        "@sinonjs/formatio": "2.0.0",
-        "diff": "3.3.1",
-        "lodash.get": "4.4.2",
-        "lolex": "2.3.2",
-        "nise": "1.2.6",
-        "supports-color": "5.2.0",
-        "type-detect": "4.0.8"
+        "@sinonjs/formatio": "^2.0.0",
+        "diff": "^3.5.0",
+        "lodash.get": "^4.4.2",
+        "lolex": "^2.4.2",
+        "nise": "^1.3.3",
+        "supports-color": "^5.4.0",
+        "type-detect": "^4.0.8"
       },
       "dependencies": {
         "supports-color": {
-          "version": "5.2.0",
-          "resolved": "https://registry.npmjs.org/supports-color/-/supports-color-5.2.0.tgz",
-          "integrity": "sha512-F39vS48la4YvTZUPVeTqsjsFNrvcMwrV3RLZINsmHo+7djCvuUzSIeXOnZ5hmjef4bajL1dNccN+tg5XAliO5Q==",
+          "version": "5.5.0",
+          "resolved": "https://registry.npmjs.org/supports-color/-/supports-color-5.5.0.tgz",
+          "integrity": "sha512-QjVjwdXIt408MIiAqCX4oUKsgU2EqAGzs2Ppkm4aQYbjm+ZEWEcW4SfFNTr4uMNZma0ey4f5lgLrkB0aX0QMow==",
           "dev": true,
           "requires": {
-            "has-flag": "3.0.0"
+            "has-flag": "^3.0.0"
           }
         }
       }
@@ -6649,12 +6776,6 @@
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-    "text-encoding": {
-      "version": "0.6.4",
-      "resolved": "https://registry.npmjs.org/text-encoding/-/text-encoding-0.6.4.tgz",
-      "integrity": "sha1-45mpgiV6J22uQou5KEXLcb3CbRk=",
-      "dev": true
-    },
     "text-table": {
       "version": "0.2.0",
       "resolved": "https://registry.npmjs.org/text-table/-/text-table-0.2.0.tgz",
diff --git a/package.json b/package.json
index 2b0ff3c..c74b2c3 100644
--- a/package.json
+++ b/package.json
@@ -54,7 +54,7 @@
     "eslint-plugin-import": "^2.8.0",
     "mocha": "^5.0.1",
     "nyc": "^11.4.1",
-    "rimraf": "^2.6.2",
+    "rimraf": "^3.0.0",
     "sinon": "^5.0.0"
   },
   "nyc": {