diff --git a/package-lock.json b/package-lock.json
index be9f1f1..eaca089 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -263,16 +263,16 @@
       "dev": true
     },
     "ava": {
-      "version": "0.23.0",
-      "resolved": "https://registry.npmjs.org/ava/-/ava-0.23.0.tgz",
-      "integrity": "sha512-ZsVwO8UENDoZHlYQOEBv6oSGuUiZ8AFqaa+OhTv/McwC+4Y2V9skip5uYwN3egT9I9c+mKzLWA9lXUv7D6g8ZA==",
+      "version": "0.24.0",
+      "resolved": "https://registry.npmjs.org/ava/-/ava-0.24.0.tgz",
+      "integrity": "sha512-o/ykNzsWB5qgh1cR9jzVw0E1y4E219aXl9njNFGSamSCsD7VhPd3aoZabNZuG1PSVMZmQ8RuwKnTuz/loNhKnw==",
       "dev": true,
       "requires": {
         "@ava/babel-preset-stage-4": "1.1.0",
         "@ava/babel-preset-transform-test-files": "3.0.0",
         "@ava/write-file-atomic": "2.2.0",
         "@concordance/react": "1.0.0",
-        "ansi-escapes": "2.0.0",
+        "ansi-escapes": "3.0.0",
         "ansi-styles": "3.2.0",
         "arr-flatten": "1.1.0",
         "array-union": "1.0.2",
@@ -281,6 +281,8 @@
         "auto-bind": "1.1.0",
         "ava-init": "0.2.1",
         "babel-core": "6.26.0",
+        "babel-generator": "6.26.0",
+        "babel-plugin-syntax-object-rest-spread": "6.13.0",
         "bluebird": "3.5.1",
         "caching-transform": "1.0.1",
         "chalk": "2.2.0",
@@ -294,7 +296,7 @@
         "code-excerpt": "2.1.0",
         "common-path-prefix": "1.0.0",
         "concordance": "3.0.0",
-        "convert-source-map": "1.5.0",
+        "convert-source-map": "1.5.1",
         "core-assert": "0.2.1",
         "currently-unhandled": "0.4.1",
         "debug": "3.1.0",
@@ -314,7 +316,7 @@
         "is-ci": "1.0.10",
         "is-generator-fn": "1.0.0",
         "is-obj": "1.0.1",
-        "is-observable": "0.2.0",
+        "is-observable": "1.0.0",
         "is-promise": "2.1.0",
         "js-yaml": "3.10.0",
         "last-line-stream": "1.0.0",
@@ -334,28 +336,23 @@
         "package-hash": "2.0.0",
         "pkg-conf": "2.0.0",
         "plur": "2.1.2",
-        "pretty-ms": "3.0.1",
+        "pretty-ms": "3.1.0",
         "require-precompiled": "0.1.0",
         "resolve-cwd": "2.0.0",
         "safe-buffer": "5.1.1",
+        "semver": "5.4.1",
         "slash": "1.0.0",
-        "source-map-support": "0.4.18",
+        "source-map-support": "0.5.0",
         "stack-utils": "1.0.1",
         "strip-ansi": "4.0.0",
         "strip-bom-buf": "1.0.0",
-        "supports-color": "4.5.0",
+        "supports-color": "5.0.0",
         "time-require": "0.1.2",
         "trim-off-newlines": "1.0.1",
         "unique-temp-dir": "1.0.0",
         "update-notifier": "2.3.0"
       },
       "dependencies": {
-        "ansi-escapes": {
-          "version": "2.0.0",
-          "resolved": "https://registry.npmjs.org/ansi-escapes/-/ansi-escapes-2.0.0.tgz",
-          "integrity": "sha1-W65SvkJIeN2Xg+iRDj/Cki6DyBs=",
-          "dev": true
-        },
         "globby": {
           "version": "6.1.0",
           "resolved": "https://registry.npmjs.org/globby/-/globby-6.1.0.tgz",
@@ -379,14 +376,23 @@
           }
         },
         "pretty-ms": {
-          "version": "3.0.1",
-          "resolved": "https://registry.npmjs.org/pretty-ms/-/pretty-ms-3.0.1.tgz",
-          "integrity": "sha1-fBi3PCKKm49u3Cg1oSy49+2F+fQ=",
+          "version": "3.1.0",
+          "resolved": "https://registry.npmjs.org/pretty-ms/-/pretty-ms-3.1.0.tgz",
+          "integrity": "sha1-6crJx2v27lL+lC3ZxsQhMVOxKIE=",
           "dev": true,
           "requires": {
             "parse-ms": "1.0.1",
             "plur": "2.1.2"
           }
+        },
+        "supports-color": {
+          "version": "5.0.0",
+          "resolved": "https://registry.npmjs.org/supports-color/-/supports-color-5.0.0.tgz",
+          "integrity": "sha1-HbJiKfauAvms21QQkHw2zi42KxM=",
+          "dev": true,
+          "requires": {
+            "has-flag": "2.0.0"
+          }
         }
       }
     },
@@ -491,7 +497,7 @@
         "babel-traverse": "6.26.0",
         "babel-types": "6.26.0",
         "babylon": "6.18.0",
-        "convert-source-map": "1.5.0",
+        "convert-source-map": "1.5.1",
         "debug": "2.6.9",
         "json5": "0.5.1",
         "lodash": "4.17.4",
@@ -683,6 +689,12 @@
       "integrity": "sha1-nufoM3KQ2pUoggGmpX9BcDF4MN4=",
       "dev": true
     },
+    "babel-plugin-syntax-object-rest-spread": {
+      "version": "6.13.0",
+      "resolved": "https://registry.npmjs.org/babel-plugin-syntax-object-rest-spread/-/babel-plugin-syntax-object-rest-spread-6.13.0.tgz",
+      "integrity": "sha1-/WU28rzhODb/o6VFjEkDpZe7O/U=",
+      "dev": true
+    },
     "babel-plugin-syntax-trailing-function-commas": {
       "version": "6.22.0",
       "resolved": "https://registry.npmjs.org/babel-plugin-syntax-trailing-function-commas/-/babel-plugin-syntax-trailing-function-commas-6.22.0.tgz",
@@ -811,6 +823,17 @@
         "lodash": "4.17.4",
         "mkdirp": "0.5.1",
         "source-map-support": "0.4.18"
+      },
+      "dependencies": {
+        "source-map-support": {
+          "version": "0.4.18",
+          "resolved": "https://registry.npmjs.org/source-map-support/-/source-map-support-0.4.18.tgz",
+          "integrity": "sha512-try0/JqxPLF9nOjvSta7tVondkP5dwgyLDjVoyMDlmjugT2lRZ1OfsrYTkCd2hkDnJTKRbO/Rl3orm8vlsUzbA==",
+          "dev": true,
+          "requires": {
+            "source-map": "0.5.7"
+          }
+        }
       }
     },
     "babel-runtime": {
@@ -1072,9 +1095,9 @@
       }
     },
     "ci-info": {
-      "version": "1.1.1",
-      "resolved": "https://registry.npmjs.org/ci-info/-/ci-info-1.1.1.tgz",
-      "integrity": "sha512-vHDDF/bP9RYpTWtUhpJRhCFdvvp3iDWvEbuDbWgvjUrNGV1MXJrE0MPcwGtEled04m61iwdBLUIHZtDgzWS4ZQ==",
+      "version": "1.1.2",
+      "resolved": "https://registry.npmjs.org/ci-info/-/ci-info-1.1.2.tgz",
+      "integrity": "sha512-uTGIPNx/nSpBdsF6xnseRXLLtfr9VLqkz8ZqHXr3Y7b6SftyRxBGjwMtJj1OhNbmlc1wZzLNAlAcvyIiE8a6ZA==",
       "dev": true
     },
     "circular-json": {
@@ -1265,9 +1288,9 @@
       }
     },
     "convert-source-map": {
-      "version": "1.5.0",
-      "resolved": "https://registry.npmjs.org/convert-source-map/-/convert-source-map-1.5.0.tgz",
-      "integrity": "sha1-ms1whRxtXf3ZPZKC5e35SgP/RrU=",
+      "version": "1.5.1",
+      "resolved": "https://registry.npmjs.org/convert-source-map/-/convert-source-map-1.5.1.tgz",
+      "integrity": "sha1-uCeAl7m8IpNl3lxiz1/K7YtVmeU=",
       "dev": true
     },
     "convert-to-spaces": {
@@ -2497,7 +2520,7 @@
       "integrity": "sha1-9zkzayYyNlBhqdSCcM1WrjNpMY4=",
       "dev": true,
       "requires": {
-        "ci-info": "1.1.1"
+        "ci-info": "1.1.2"
       }
     },
     "is-dotfile": {
@@ -2590,12 +2613,12 @@
       "integrity": "sha1-PkcprB9f3gJc19g6iW2rn09n2w8="
     },
     "is-observable": {
-      "version": "0.2.0",
-      "resolved": "https://registry.npmjs.org/is-observable/-/is-observable-0.2.0.tgz",
-      "integrity": "sha1-s2ExHYPG5dcmyr9eJQsCNxBvWuI=",
+      "version": "1.0.0",
+      "resolved": "https://registry.npmjs.org/is-observable/-/is-observable-1.0.0.tgz",
+      "integrity": "sha512-DVW97O/RiM3rTIuicUIcbJVqaQRDTwiXLYEWcCYLL5o8DOKCxpoPGroPXH3bVGUTJ2rvaFYnSXwwkakFpyTBzA==",
       "dev": true,
       "requires": {
-        "symbol-observable": "0.2.4"
+        "symbol-observable": "1.0.4"
       }
     },
     "is-path-cwd": {
@@ -3347,11 +3370,22 @@
         "symbol-observable": "1.0.4"
       },
       "dependencies": {
-        "symbol-observable": {
-          "version": "1.0.4",
-          "resolved": "https://registry.npmjs.org/symbol-observable/-/symbol-observable-1.0.4.tgz",
-          "integrity": "sha1-Kb9hXUqnEhvdiYsi1LP5vE4qoD0=",
-          "dev": true
+        "is-observable": {
+          "version": "0.2.0",
+          "resolved": "https://registry.npmjs.org/is-observable/-/is-observable-0.2.0.tgz",
+          "integrity": "sha1-s2ExHYPG5dcmyr9eJQsCNxBvWuI=",
+          "dev": true,
+          "requires": {
+            "symbol-observable": "0.2.4"
+          },
+          "dependencies": {
+            "symbol-observable": {
+              "version": "0.2.4",
+              "resolved": "https://registry.npmjs.org/symbol-observable/-/symbol-observable-0.2.4.tgz",
+              "integrity": "sha1-lag9smGG1q9+ehjb2XYKL4bQj0A=",
+              "dev": true
+            }
+          }
         }
       }
     },
@@ -4143,12 +4177,20 @@
       "dev": true
     },
     "source-map-support": {
-      "version": "0.4.18",
-      "resolved": "https://registry.npmjs.org/source-map-support/-/source-map-support-0.4.18.tgz",
-      "integrity": "sha512-try0/JqxPLF9nOjvSta7tVondkP5dwgyLDjVoyMDlmjugT2lRZ1OfsrYTkCd2hkDnJTKRbO/Rl3orm8vlsUzbA==",
+      "version": "0.5.0",
+      "resolved": "https://registry.npmjs.org/source-map-support/-/source-map-support-0.5.0.tgz",
+      "integrity": "sha512-vUoN3I7fHQe0R/SJLKRdKYuEdRGogsviXFkHHo17AWaTGv17VLnxw+CFXvqy+y4ORZ3doWLQcxRYfwKrsd/H7Q==",
       "dev": true,
       "requires": {
-        "source-map": "0.5.7"
+        "source-map": "0.6.1"
+      },
+      "dependencies": {
+        "source-map": {
+          "version": "0.6.1",
+          "resolved": "https://registry.npmjs.org/source-map/-/source-map-0.6.1.tgz",
+          "integrity": "sha512-UjgapumWlbMhkBgzT7Ykc5YXUT46F0iKu8SGXq0bcwP5dz/h0Plj6enJqjz1Zbq2l5WaqYnrVbwWOWMyF3F47g==",
+          "dev": true
+        }
       }
     },
     "spdx-correct": {
@@ -4278,9 +4320,9 @@
       }
     },
     "symbol-observable": {
-      "version": "0.2.4",
-      "resolved": "https://registry.npmjs.org/symbol-observable/-/symbol-observable-0.2.4.tgz",
-      "integrity": "sha1-lag9smGG1q9+ehjb2XYKL4bQj0A=",
+      "version": "1.0.4",
+      "resolved": "https://registry.npmjs.org/symbol-observable/-/symbol-observable-1.0.4.tgz",
+      "integrity": "sha1-Kb9hXUqnEhvdiYsi1LP5vE4qoD0=",
       "dev": true
     },
     "table": {
diff --git a/package.json b/package.json
index 17c4732..a1218d9 100644
--- a/package.json
+++ b/package.json
@@ -30,7 +30,7 @@
     "slug": "^0.9.1"
   },
   "devDependencies": {
-    "ava": "^0.23.0",
+    "ava": "^0.24.0",
     "axios": "^0.17.0",
     "eslint": "^4.9.0",
     "eslint-config-standard": "^10.2.1",