diff --git a/package-lock.json b/package-lock.json
index b504b03..7c59307 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -1436,6 +1436,28 @@
         "trim-right": "^1.0.1"
       }
     },
+    "babel-helper-bindify-decorators": {
+      "version": "6.24.1",
+      "resolved": "https://registry.npmjs.org/babel-helper-bindify-decorators/-/babel-helper-bindify-decorators-6.24.1.tgz",
+      "integrity": "sha1-FMGeXxQte0fxmlJDHlKxzLxAozA=",
+      "dev": true,
+      "requires": {
+        "babel-runtime": "^6.22.0",
+        "babel-traverse": "^6.24.1",
+        "babel-types": "^6.24.1"
+      }
+    },
+    "babel-helper-builder-binary-assignment-operator-visitor": {
+      "version": "6.24.1",
+      "resolved": "https://registry.npmjs.org/babel-helper-builder-binary-assignment-operator-visitor/-/babel-helper-builder-binary-assignment-operator-visitor-6.24.1.tgz",
+      "integrity": "sha1-zORReto1b0IgvK6KAsKzRvmlZmQ=",
+      "dev": true,
+      "requires": {
+        "babel-helper-explode-assignable-expression": "^6.24.1",
+        "babel-runtime": "^6.22.0",
+        "babel-types": "^6.24.1"
+      }
+    },
     "babel-helper-builder-react-jsx": {
       "version": "6.26.0",
       "resolved": "https://registry.npmjs.org/babel-helper-builder-react-jsx/-/babel-helper-builder-react-jsx-6.26.0.tgz",
@@ -1447,6 +1469,65 @@
         "esutils": "^2.0.2"
       }
     },
+    "babel-helper-explode-assignable-expression": {
+      "version": "6.24.1",
+      "resolved": "https://registry.npmjs.org/babel-helper-explode-assignable-expression/-/babel-helper-explode-assignable-expression-6.24.1.tgz",
+      "integrity": "sha1-8luCz33BBDPFX3BZLVdGQArCLKo=",
+      "dev": true,
+      "requires": {
+        "babel-runtime": "^6.22.0",
+        "babel-traverse": "^6.24.1",
+        "babel-types": "^6.24.1"
+      }
+    },
+    "babel-helper-explode-class": {
+      "version": "6.24.1",
+      "resolved": "https://registry.npmjs.org/babel-helper-explode-class/-/babel-helper-explode-class-6.24.1.tgz",
+      "integrity": "sha1-fcKjkQ3uAHBW4eMdZAztPVTqqes=",
+      "dev": true,
+      "requires": {
+        "babel-helper-bindify-decorators": "^6.24.1",
+        "babel-runtime": "^6.22.0",
+        "babel-traverse": "^6.24.1",
+        "babel-types": "^6.24.1"
+      }
+    },
+    "babel-helper-function-name": {
+      "version": "6.24.1",
+      "resolved": "https://registry.npmjs.org/babel-helper-function-name/-/babel-helper-function-name-6.24.1.tgz",
+      "integrity": "sha1-00dbjAPtmCQqJbSDUasYOZ01gKk=",
+      "dev": true,
+      "requires": {
+        "babel-helper-get-function-arity": "^6.24.1",
+        "babel-runtime": "^6.22.0",
+        "babel-template": "^6.24.1",
+        "babel-traverse": "^6.24.1",
+        "babel-types": "^6.24.1"
+      }
+    },
+    "babel-helper-get-function-arity": {
+      "version": "6.24.1",
+      "resolved": "https://registry.npmjs.org/babel-helper-get-function-arity/-/babel-helper-get-function-arity-6.24.1.tgz",
+      "integrity": "sha1-j3eCqpNAfEHTqlCQj4mwMbG2hT0=",
+      "dev": true,
+      "requires": {
+        "babel-runtime": "^6.22.0",
+        "babel-types": "^6.24.1"
+      }
+    },
+    "babel-helper-remap-async-to-generator": {
+      "version": "6.24.1",
+      "resolved": "https://registry.npmjs.org/babel-helper-remap-async-to-generator/-/babel-helper-remap-async-to-generator-6.24.1.tgz",
+      "integrity": "sha1-XsWBgnrXI/7N04HxySg5BnbkVRs=",
+      "dev": true,
+      "requires": {
+        "babel-helper-function-name": "^6.24.1",
+        "babel-runtime": "^6.22.0",
+        "babel-template": "^6.24.1",
+        "babel-traverse": "^6.24.1",
+        "babel-types": "^6.24.1"
+      }
+    },
     "babel-helpers": {
       "version": "6.24.1",
       "resolved": "https://registry.npmjs.org/babel-helpers/-/babel-helpers-6.24.1.tgz",
@@ -1477,12 +1558,128 @@
         "babel-runtime": "^6.22.0"
       }
     },
+    "babel-plugin-syntax-async-functions": {
+      "version": "6.13.0",
+      "resolved": "https://registry.npmjs.org/babel-plugin-syntax-async-functions/-/babel-plugin-syntax-async-functions-6.13.0.tgz",
+      "integrity": "sha1-ytnK0RkbWtY0vzCuCHI5HgZHvpU=",
+      "dev": true
+    },
+    "babel-plugin-syntax-async-generators": {
+      "version": "6.13.0",
+      "resolved": "https://registry.npmjs.org/babel-plugin-syntax-async-generators/-/babel-plugin-syntax-async-generators-6.13.0.tgz",
+      "integrity": "sha1-a8lj67FuzLrmuStZbrfzXDQqi5o=",
+      "dev": true
+    },
+    "babel-plugin-syntax-class-properties": {
+      "version": "6.13.0",
+      "resolved": "https://registry.npmjs.org/babel-plugin-syntax-class-properties/-/babel-plugin-syntax-class-properties-6.13.0.tgz",
+      "integrity": "sha1-1+sjt5oxf4VDlixQW4J8fWysJ94=",
+      "dev": true
+    },
+    "babel-plugin-syntax-decorators": {
+      "version": "6.13.0",
+      "resolved": "https://registry.npmjs.org/babel-plugin-syntax-decorators/-/babel-plugin-syntax-decorators-6.13.0.tgz",
+      "integrity": "sha1-MSVjtNvePMgGzuPkFszurd0RrAs=",
+      "dev": true
+    },
+    "babel-plugin-syntax-dynamic-import": {
+      "version": "6.18.0",
+      "resolved": "https://registry.npmjs.org/babel-plugin-syntax-dynamic-import/-/babel-plugin-syntax-dynamic-import-6.18.0.tgz",
+      "integrity": "sha1-jWomIpyDdFqZgqRBBRVyyqF5sdo=",
+      "dev": true
+    },
+    "babel-plugin-syntax-exponentiation-operator": {
+      "version": "6.13.0",
+      "resolved": "https://registry.npmjs.org/babel-plugin-syntax-exponentiation-operator/-/babel-plugin-syntax-exponentiation-operator-6.13.0.tgz",
+      "integrity": "sha1-nufoM3KQ2pUoggGmpX9BcDF4MN4=",
+      "dev": true
+    },
     "babel-plugin-syntax-jsx": {
       "version": "6.18.0",
       "resolved": "https://registry.npmjs.org/babel-plugin-syntax-jsx/-/babel-plugin-syntax-jsx-6.18.0.tgz",
       "integrity": "sha1-CvMqmm4Tyno/1QaeYtew9Y0NiUY=",
       "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",
+      "integrity": "sha1-ugNgk3+NBuQBgKQ/4NVhb/9TLPM=",
+      "dev": true
+    },
+    "babel-plugin-transform-async-generator-functions": {
+      "version": "6.24.1",
+      "resolved": "https://registry.npmjs.org/babel-plugin-transform-async-generator-functions/-/babel-plugin-transform-async-generator-functions-6.24.1.tgz",
+      "integrity": "sha1-8FiQAUX9PpkHpt3yjaWfIVJYpds=",
+      "dev": true,
+      "requires": {
+        "babel-helper-remap-async-to-generator": "^6.24.1",
+        "babel-plugin-syntax-async-generators": "^6.5.0",
+        "babel-runtime": "^6.22.0"
+      }
+    },
+    "babel-plugin-transform-async-to-generator": {
+      "version": "6.24.1",
+      "resolved": "https://registry.npmjs.org/babel-plugin-transform-async-to-generator/-/babel-plugin-transform-async-to-generator-6.24.1.tgz",
+      "integrity": "sha1-ZTbjeK/2yx1VF6wOQOs+n8jQh2E=",
+      "dev": true,
+      "requires": {
+        "babel-helper-remap-async-to-generator": "^6.24.1",
+        "babel-plugin-syntax-async-functions": "^6.8.0",
+        "babel-runtime": "^6.22.0"
+      }
+    },
+    "babel-plugin-transform-class-properties": {
+      "version": "6.24.1",
+      "resolved": "https://registry.npmjs.org/babel-plugin-transform-class-properties/-/babel-plugin-transform-class-properties-6.24.1.tgz",
+      "integrity": "sha1-anl2PqYdM9NvN7YRqp3vgagbRqw=",
+      "dev": true,
+      "requires": {
+        "babel-helper-function-name": "^6.24.1",
+        "babel-plugin-syntax-class-properties": "^6.8.0",
+        "babel-runtime": "^6.22.0",
+        "babel-template": "^6.24.1"
+      }
+    },
+    "babel-plugin-transform-decorators": {
+      "version": "6.24.1",
+      "resolved": "https://registry.npmjs.org/babel-plugin-transform-decorators/-/babel-plugin-transform-decorators-6.24.1.tgz",
+      "integrity": "sha1-eIAT2PjGtSIr33s0Q5Df13Vp4k0=",
+      "dev": true,
+      "requires": {
+        "babel-helper-explode-class": "^6.24.1",
+        "babel-plugin-syntax-decorators": "^6.13.0",
+        "babel-runtime": "^6.22.0",
+        "babel-template": "^6.24.1",
+        "babel-types": "^6.24.1"
+      }
+    },
+    "babel-plugin-transform-exponentiation-operator": {
+      "version": "6.24.1",
+      "resolved": "https://registry.npmjs.org/babel-plugin-transform-exponentiation-operator/-/babel-plugin-transform-exponentiation-operator-6.24.1.tgz",
+      "integrity": "sha1-KrDJx/MJj6SJB3cruBP+QejeOg4=",
+      "dev": true,
+      "requires": {
+        "babel-helper-builder-binary-assignment-operator-visitor": "^6.24.1",
+        "babel-plugin-syntax-exponentiation-operator": "^6.8.0",
+        "babel-runtime": "^6.22.0"
+      }
+    },
+    "babel-plugin-transform-object-rest-spread": {
+      "version": "6.26.0",
+      "resolved": "https://registry.npmjs.org/babel-plugin-transform-object-rest-spread/-/babel-plugin-transform-object-rest-spread-6.26.0.tgz",
+      "integrity": "sha1-DzZpLVD+9rfi1LOsFHgTepY7ewY=",
+      "dev": true,
+      "requires": {
+        "babel-plugin-syntax-object-rest-spread": "^6.8.0",
+        "babel-runtime": "^6.26.0"
+      }
+    },
     "babel-plugin-transform-react-jsx": {
       "version": "6.24.1",
       "resolved": "https://registry.npmjs.org/babel-plugin-transform-react-jsx/-/babel-plugin-transform-react-jsx-6.24.1.tgz",
@@ -1523,6 +1720,31 @@
         "babel-plugin-transform-react-jsx": "^6.0.2"
       }
     },
+    "babel-preset-stage-2": {
+      "version": "6.24.1",
+      "resolved": "https://registry.npmjs.org/babel-preset-stage-2/-/babel-preset-stage-2-6.24.1.tgz",
+      "integrity": "sha1-2eKWD7PXEYfw5k7sYrwHdnIZvcE=",
+      "dev": true,
+      "requires": {
+        "babel-plugin-syntax-dynamic-import": "^6.18.0",
+        "babel-plugin-transform-class-properties": "^6.24.1",
+        "babel-plugin-transform-decorators": "^6.24.1",
+        "babel-preset-stage-3": "^6.24.1"
+      }
+    },
+    "babel-preset-stage-3": {
+      "version": "6.24.1",
+      "resolved": "https://registry.npmjs.org/babel-preset-stage-3/-/babel-preset-stage-3-6.24.1.tgz",
+      "integrity": "sha1-g2raCp56f6N8sTj7kyb4eTSkg5U=",
+      "dev": true,
+      "requires": {
+        "babel-plugin-syntax-trailing-function-commas": "^6.22.0",
+        "babel-plugin-transform-async-generator-functions": "^6.24.1",
+        "babel-plugin-transform-async-to-generator": "^6.24.1",
+        "babel-plugin-transform-exponentiation-operator": "^6.24.1",
+        "babel-plugin-transform-object-rest-spread": "^6.22.0"
+      }
+    },
     "babel-register": {
       "version": "6.26.0",
       "resolved": "https://registry.npmjs.org/babel-register/-/babel-register-6.26.0.tgz",
diff --git a/package.json b/package.json
index 42f4e3f..cf0d241 100644
--- a/package.json
+++ b/package.json
@@ -26,6 +26,7 @@
     "babel-eslint": "^8.2.3",
     "babel-loader": "^7.1.4",
     "babel-preset-preact": "^1.1.0",
+    "babel-preset-stage-2": "^6.24.1",
     "chai": "^4.1.2",
     "css-loader": "^0.28.11",
     "eslint": "^5.0.1",