diff --git a/package-lock.json b/package-lock.json
index 8da2b48..d4a1cb8 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -199,12 +199,24 @@
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@@ -3674,6 +3725,12 @@
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@@ -5724,6 +6202,12 @@
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+    "parse-passwd": {
+      "version": "1.0.0",
+      "resolved": "https://registry.npmjs.org/parse-passwd/-/parse-passwd-1.0.0.tgz",
+      "integrity": "sha1-bVuTSkVpk7I9N/QKOC1vFmao5cY=",
+      "dev": true
+    },
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       "resolved": "https://registry.npmjs.org/path-exists/-/path-exists-1.0.0.tgz",
@@ -5753,6 +6237,21 @@
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       "dev": true
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+    "path-root": {
+      "version": "0.1.1",
+      "resolved": "https://registry.npmjs.org/path-root/-/path-root-0.1.1.tgz",
+      "integrity": "sha1-mkpoFMrBwM1zNgqV8yCDyOpHRbc=",
+      "dev": true,
+      "requires": {
+        "path-root-regex": "^0.1.0"
+      }
+    },
+    "path-root-regex": {
+      "version": "0.1.2",
+      "resolved": "https://registry.npmjs.org/path-root-regex/-/path-root-regex-0.1.2.tgz",
+      "integrity": "sha1-v8zcjfWxLcUsi0PsONGNcsBLqW0=",
+      "dev": true
+    },
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       "resolved": "https://registry.npmjs.org/path-type/-/path-type-1.1.0.tgz",
@@ -5811,6 +6310,12 @@
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       "dev": true
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+    "picomatch": {
+      "version": "2.3.1",
+      "resolved": "https://registry.npmjs.org/picomatch/-/picomatch-2.3.1.tgz",
+      "integrity": "sha512-JU3teHTNjmE2VCGFzuY8EXzCDVwEqB2a8fsIvwaStHhAWJEeVd1o1QD80CU6+ZdEXXSLbSsuLwJjkCBWqRQUVA==",
+      "dev": true
+    },
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       "resolved": "https://registry.npmjs.org/pify/-/pify-2.3.0.tgz",
@@ -6046,6 +6551,28 @@
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       }
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+    "rechoir": {
+      "version": "0.7.1",
+      "resolved": "https://registry.npmjs.org/rechoir/-/rechoir-0.7.1.tgz",
+      "integrity": "sha512-/njmZ8s1wVeR6pjTZ+0nCnv8SpZNRMT2D1RLOJQESlYFDBvwpTA4KWJpZ+sBJ4+vhjILRcK7JIFdGCdxEAAitg==",
+      "dev": true,
+      "requires": {
+        "resolve": "^1.9.0"
+      },
+      "dependencies": {
+        "resolve": {
+          "version": "1.22.0",
+          "resolved": "https://registry.npmjs.org/resolve/-/resolve-1.22.0.tgz",
+          "integrity": "sha512-Hhtrw0nLeSrFQ7phPp4OOcVjLPIeMnRlr5mcnVuMe7M/7eBn98A3hmFRLoFo3DLZkivSYwhRUJTyPyWAk56WLw==",
+          "dev": true,
+          "requires": {
+            "is-core-module": "^2.8.1",
+            "path-parse": "^1.0.7",
+            "supports-preserve-symlinks-flag": "^1.0.0"
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+    },
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       "resolved": "https://registry.npmjs.org/redent/-/redent-1.0.0.tgz",
@@ -6221,6 +6748,16 @@
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       "dev": true
     },
+    "resolve-dir": {
+      "version": "1.0.1",
+      "resolved": "https://registry.npmjs.org/resolve-dir/-/resolve-dir-1.0.1.tgz",
+      "integrity": "sha1-eaQGRMNivoLybv/nOcm7U4IEb0M=",
+      "dev": true,
+      "requires": {
+        "expand-tilde": "^2.0.0",
+        "global-modules": "^1.0.0"
+      }
+    },
     "resolve-from": {
       "version": "1.0.1",
       "resolved": "https://registry.npmjs.org/resolve-from/-/resolve-from-1.0.1.tgz",
@@ -6576,6 +7113,12 @@
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       "dev": true
     },
+    "supports-preserve-symlinks-flag": {
+      "version": "1.0.0",
+      "resolved": "https://registry.npmjs.org/supports-preserve-symlinks-flag/-/supports-preserve-symlinks-flag-1.0.0.tgz",
+      "integrity": "sha512-ot0WnXS9fgdkgIcePe6RHNk1WA8+muPa6cSjeR3V8K27q9BB1rTE3R1p7Hv0z1ZyAc8s6Vvv8DIyWf681MAt0w==",
+      "dev": true
+    },
     "table": {
       "version": "3.8.3",
       "resolved": "http://registry.npmjs.org/table/-/table-3.8.3.tgz",
@@ -6798,6 +7341,23 @@
       "integrity": "sha1-uDVx+k2MJbguIxsG46MFXeTKGkc=",
       "dev": true
     },
+    "to-regex-range": {
+      "version": "5.0.1",
+      "resolved": "https://registry.npmjs.org/to-regex-range/-/to-regex-range-5.0.1.tgz",
+      "integrity": "sha512-65P7iz6X5yEr1cwcgvQxbbIw7Uk3gOy5dIdtZ4rDveLqhrdJP+Li/Hx6tyK0NEb+2GCyneCMJiGqrADCSNk8sQ==",
+      "dev": true,
+      "requires": {
+        "is-number": "^7.0.0"
+      },
+      "dependencies": {
+        "is-number": {
+          "version": "7.0.0",
+          "resolved": "https://registry.npmjs.org/is-number/-/is-number-7.0.0.tgz",
+          "integrity": "sha512-41Cifkg6e8TylSpdtTpeLVMqvSBEVzTttHvERD741+pnZ8ANv0004MRL43QKPDlK9cGvNp6NZWZUBlbGXYxxng==",
+          "dev": true
+        }
+      }
+    },
     "tough-cookie": {
       "version": "2.4.3",
       "resolved": "https://registry.npmjs.org/tough-cookie/-/tough-cookie-2.4.3.tgz",
@@ -6857,6 +7417,12 @@
       "integrity": "sha1-hnrHTjhkGHsdPUfZlqeOxciDB3c=",
       "dev": true
     },
+    "unc-path-regex": {
+      "version": "0.1.2",
+      "resolved": "https://registry.npmjs.org/unc-path-regex/-/unc-path-regex-0.1.2.tgz",
+      "integrity": "sha1-5z3T17DXxe2G+6xrCufYxqadUPo=",
+      "dev": true
+    },
     "underscore": {
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       "resolved": "https://registry.npmjs.org/underscore/-/underscore-1.8.3.tgz",
@@ -6972,10 +7538,13 @@
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-      "resolved": "https://registry.npmjs.org/which/-/which-1.0.9.tgz",
-      "integrity": "sha1-RgwdoPgQED0DIam2M6+eV15kSG8=",
-      "dev": true
+      "version": "1.3.1",
+      "resolved": "https://registry.npmjs.org/which/-/which-1.3.1.tgz",
+      "integrity": "sha512-HxJdYWq1MTIQbJ3nw0cqssHoTNU267KlrDuGZ1WYlxDStUtKUhOaJmh112/TZmHxxUfuJqPXSOm7tDyas0OSIQ==",
+      "dev": true,
+      "requires": {
+        "isexe": "^2.0.0"
+      }
     },
     "wide-align": {
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diff --git a/package.json b/package.json
index e9c1c59..7f99df5 100644
--- a/package.json
+++ b/package.json
@@ -49,7 +49,7 @@
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     "eslint-plugin-promise": "1.0.8",
     "eslint-plugin-standard": "1.3.1",
-    "grunt": "0.4.1",
+    "grunt": "1.5.3",
     "grunt-atomdoc": "1.0.0",
     "grunt-cli": "0.1.8",
     "grunt-contrib-coffee": "0.9.0",