diff --git a/package-lock.json b/package-lock.json
index f553f82..02588c4 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -339,6 +339,34 @@
 				"babel-template": "6.26.0"
 			}
 		},
+		"babel-jest": {
+			"version": "22.4.1",
+			"resolved": "https://registry.npmjs.org/babel-jest/-/babel-jest-22.4.1.tgz",
+			"integrity": "sha512-rEdN/jevSuX0IQKcUqwqOGa0gDNis4jGY52Rq53aizfDGPwQYNJq+f9NCMT1HUhtUZhYSjvfGUfHQWBRT1/icA==",
+			"dev": true,
+			"requires": {
+				"babel-plugin-istanbul": "4.1.5",
+				"babel-preset-jest": "22.4.1"
+			},
+			"dependencies": {
+				"babel-plugin-jest-hoist": {
+					"version": "22.4.1",
+					"resolved": "https://registry.npmjs.org/babel-plugin-jest-hoist/-/babel-plugin-jest-hoist-22.4.1.tgz",
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+					"dev": true
+				},
+				"babel-preset-jest": {
+					"version": "22.4.1",
+					"resolved": "https://registry.npmjs.org/babel-preset-jest/-/babel-preset-jest-22.4.1.tgz",
+					"integrity": "sha512-gW3+spyB8fkSAI9fX+41BQMwar5LjR+nyKa2QRvK22snxnI29+jJVAMfId+osucFJzJJvhlvzKWnfwX8Omodvg==",
+					"dev": true,
+					"requires": {
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+						"babel-plugin-syntax-object-rest-spread": "6.13.0"
+					}
+				}
+			}
+		},
 		"babel-messages": {
 			"version": "6.23.0",
 			"resolved": "https://registry.npmjs.org/babel-messages/-/babel-messages-6.23.0.tgz",
@@ -359,28 +387,12 @@
 				"test-exclude": "4.1.1"
 			}
 		},
-		"babel-plugin-jest-hoist": {
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-			"resolved": "https://registry.npmjs.org/babel-plugin-jest-hoist/-/babel-plugin-jest-hoist-22.2.0.tgz",
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 		"babel-plugin-syntax-object-rest-spread": {
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 			"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
 		},
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-			"resolved": "https://registry.npmjs.org/babel-preset-jest/-/babel-preset-jest-22.2.0.tgz",
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-				"babel-plugin-syntax-object-rest-spread": "6.13.0"
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 		"babel-register": {
 			"version": "6.26.0",
 			"resolved": "https://registry.npmjs.org/babel-register/-/babel-register-6.26.0.tgz",
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+			"resolved": "https://registry.npmjs.org/jest/-/jest-22.4.2.tgz",
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 			"dev": true,
 			"requires": {
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-				"jest-cli": "22.4.0"
+				"jest-cli": "22.4.2"
 			},
 			"dependencies": {
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-					"version": "3.0.0",
-					"resolved": "https://registry.npmjs.org/ansi-regex/-/ansi-regex-3.0.0.tgz",
-					"integrity": "sha1-7QMXwyIGT3lGbAKWa922Bas32Zg=",
-					"dev": true
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 				"jest-cli": {
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-					"resolved": "https://registry.npmjs.org/jest-cli/-/jest-cli-22.4.0.tgz",
-					"integrity": "sha512-0JlBb/PvHGQZR2I9GZwsycHgWHhriBmvBWPaaPYUT186oiIIDY4ezDxFOFt2Ts0yNTRg3iY9mTyHsfWbT5VRWA==",
+					"version": "22.4.2",
+					"resolved": "https://registry.npmjs.org/jest-cli/-/jest-cli-22.4.2.tgz",
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@@ -3199,18 +3205,18 @@
 						"istanbul-lib-instrument": "1.9.1",
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 						"jest-changed-files": "22.2.0",
-						"jest-config": "22.4.0",
-						"jest-environment-jsdom": "22.4.0",
+						"jest-config": "22.4.2",
+						"jest-environment-jsdom": "22.4.1",
 						"jest-get-type": "22.1.0",
-						"jest-haste-map": "22.4.0",
+						"jest-haste-map": "22.4.2",
 						"jest-message-util": "22.4.0",
 						"jest-regex-util": "22.1.0",
 						"jest-resolve-dependencies": "22.1.0",
-						"jest-runner": "22.4.0",
-						"jest-runtime": "22.4.0",
+						"jest-runner": "22.4.2",
+						"jest-runtime": "22.4.2",
 						"jest-snapshot": "22.4.0",
-						"jest-util": "22.4.0",
-						"jest-validate": "22.4.0",
+						"jest-util": "22.4.1",
+						"jest-validate": "22.4.2",
 						"jest-worker": "22.2.2",
 						"micromatch": "2.3.11",
 						"node-notifier": "5.2.1",
@@ -3223,78 +3229,176 @@
 						"yargs": "10.1.2"
 					}
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-				"jest-diff": {
-					"version": "22.4.0",
-					"resolved": "https://registry.npmjs.org/jest-diff/-/jest-diff-22.4.0.tgz",
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+				"jest-config": {
+					"version": "22.4.2",
+					"resolved": "https://registry.npmjs.org/jest-config/-/jest-config-22.4.2.tgz",
+					"integrity": "sha512-oG31qYO73/3vj/Q8aM2RgzmHndTkz9nRk8ISybfuJqqbf0RW7OUjHVOZPLOUiwLWtz52Yq2HkjIblsyhbA7vrg==",
 					"dev": true,
 					"requires": {
 						"chalk": "2.3.0",
-						"diff": "3.4.0",
+						"glob": "7.1.2",
+						"jest-environment-jsdom": "22.4.1",
+						"jest-environment-node": "22.4.1",
 						"jest-get-type": "22.1.0",
+						"jest-jasmine2": "22.4.2",
+						"jest-regex-util": "22.1.0",
+						"jest-resolve": "22.4.2",
+						"jest-util": "22.4.1",
+						"jest-validate": "22.4.2",
 						"pretty-format": "22.4.0"
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-					"resolved": "https://registry.npmjs.org/jest-matcher-utils/-/jest-matcher-utils-22.4.0.tgz",
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 					"dev": true,
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-						"jest-config": "22.4.0",
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+				"source-map": {
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+					"resolved": "https://registry.npmjs.org/source-map/-/source-map-0.6.1.tgz",
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+					"dev": true
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 		},
@@ -3357,6 +3461,27 @@
 				}
 			}
 		},
+		"jest-diff": {
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+			"version": "22.4.0",
+			"resolved": "https://registry.npmjs.org/jest-docblock/-/jest-docblock-22.4.0.tgz",
+			"integrity": "sha512-lDY7GZ+/CJb02oULYLBDj7Hs5shBhVpDYpIm8LUyqw9X2J22QRsM19gmGQwIFqGSJmpc/LRrSYudeSrG510xlQ==",
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+			"requires": {
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 		"jest-environment-jsdom": {
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@@ -3384,32 +3509,6 @@
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-					"version": "22.4.0",
-					"resolved": "https://registry.npmjs.org/jest-docblock/-/jest-docblock-22.4.0.tgz",
-					"integrity": "sha512-lDY7GZ+/CJb02oULYLBDj7Hs5shBhVpDYpIm8LUyqw9X2J22QRsM19gmGQwIFqGSJmpc/LRrSYudeSrG510xlQ==",
-					"dev": true,
-					"requires": {
-						"detect-newline": "2.1.0"
-					}
-				}
-			}
-		},
 		"jest-jasmine2": {
 			"version": "22.4.0",
 			"resolved": "https://registry.npmjs.org/jest-jasmine2/-/jest-jasmine2-22.4.0.tgz",
@@ -3497,6 +3596,39 @@
 				}
 			}
 		},
+		"jest-leak-detector": {
+			"version": "22.4.0",
+			"resolved": "https://registry.npmjs.org/jest-leak-detector/-/jest-leak-detector-22.4.0.tgz",
+			"integrity": "sha512-r3NEIVNh4X3fEeJtUIrKXWKhNokwUM2ILp5LD8w1KrEanPsFtZmYjmyZYjDTX2dXYr33TW65OvbRE3hWFAyq6g==",
+			"dev": true,
+			"requires": {
+				"pretty-format": "22.4.0"
+			}
+		},
+		"jest-matcher-utils": {
+			"version": "22.4.0",
+			"resolved": "https://registry.npmjs.org/jest-matcher-utils/-/jest-matcher-utils-22.4.0.tgz",
+			"integrity": "sha512-03m3issxUXpWMwDYTfmL8hRNewUB0yCRTeXPm+eq058rZxLHD9f5NtSSO98CWHqe4UyISIxd9Ao9iDVjHWd2qg==",
+			"dev": true,
+			"requires": {
+				"chalk": "2.3.0",
+				"jest-get-type": "22.1.0",
+				"pretty-format": "22.4.0"
+			}
+		},
+		"jest-message-util": {
+			"version": "22.4.0",
+			"resolved": "https://registry.npmjs.org/jest-message-util/-/jest-message-util-22.4.0.tgz",
+			"integrity": "sha512-eyCJB0T3hrlpFF2FqQoIB093OulP+1qvATQmD3IOgJgMGqPL6eYw8TbC5P/VCWPqKhGL51xvjIIhow5eZ2wHFw==",
+			"dev": true,
+			"requires": {
+				"@babel/code-frame": "7.0.0-beta.39",
+				"chalk": "2.3.0",
+				"micromatch": "2.3.11",
+				"slash": "1.0.0",
+				"stack-utils": "1.0.1"
+			}
+		},
 		"jest-mock": {
 			"version": "22.2.0",
 			"resolved": "https://registry.npmjs.org/jest-mock/-/jest-mock-22.2.0.tgz",
@@ -3528,155 +3660,26 @@
 				"jest-regex-util": "22.1.0"
 			}
 		},
-		"jest-runner": {
+		"jest-serializer": {
 			"version": "22.4.0",
-			"resolved": "https://registry.npmjs.org/jest-runner/-/jest-runner-22.4.0.tgz",
-			"integrity": "sha512-x5QJQrSQs/oaZq2UxtKJxCjGq3fNF7guKRLxAIS39QIaRSAynS4agniMyvHMnLaYsBh6yzUea2SDeNHayQh+TQ==",
-			"dev": true,
-			"requires": {
-				"exit": "0.1.2",
-				"jest-config": "22.4.0",
-				"jest-docblock": "22.4.0",
-				"jest-haste-map": "22.4.0",
-				"jest-jasmine2": "22.4.0",
-				"jest-leak-detector": "22.4.0",
-				"jest-message-util": "22.4.0",
-				"jest-runtime": "22.4.0",
-				"jest-util": "22.4.0",
-				"jest-worker": "22.2.2",
-				"throat": "4.1.0"
-			},
-			"dependencies": {
-				"ansi-regex": {
-					"version": "3.0.0",
-					"resolved": "https://registry.npmjs.org/ansi-regex/-/ansi-regex-3.0.0.tgz",
-					"integrity": "sha1-7QMXwyIGT3lGbAKWa922Bas32Zg=",
-					"dev": true
-				},
-				"jest-docblock": {
-					"version": "22.4.0",
-					"resolved": "https://registry.npmjs.org/jest-docblock/-/jest-docblock-22.4.0.tgz",
-					"integrity": "sha512-lDY7GZ+/CJb02oULYLBDj7Hs5shBhVpDYpIm8LUyqw9X2J22QRsM19gmGQwIFqGSJmpc/LRrSYudeSrG510xlQ==",
-					"dev": true,
-					"requires": {
-						"detect-newline": "2.1.0"
-					}
-				},
-				"jest-leak-detector": {
-					"version": "22.4.0",
-					"resolved": "https://registry.npmjs.org/jest-leak-detector/-/jest-leak-detector-22.4.0.tgz",
-					"integrity": "sha512-r3NEIVNh4X3fEeJtUIrKXWKhNokwUM2ILp5LD8w1KrEanPsFtZmYjmyZYjDTX2dXYr33TW65OvbRE3hWFAyq6g==",
-					"dev": true,
-					"requires": {
-						"pretty-format": "22.4.0"
-					}
-				},
-				"jest-message-util": {
-					"version": "22.4.0",
-					"resolved": "https://registry.npmjs.org/jest-message-util/-/jest-message-util-22.4.0.tgz",
-					"integrity": "sha512-eyCJB0T3hrlpFF2FqQoIB093OulP+1qvATQmD3IOgJgMGqPL6eYw8TbC5P/VCWPqKhGL51xvjIIhow5eZ2wHFw==",
-					"dev": true,
-					"requires": {
-						"@babel/code-frame": "7.0.0-beta.39",
-						"chalk": "2.3.0",
-						"micromatch": "2.3.11",
-						"slash": "1.0.0",
-						"stack-utils": "1.0.1"
-					}
-				},
-				"pretty-format": {
-					"version": "22.4.0",
-					"resolved": "https://registry.npmjs.org/pretty-format/-/pretty-format-22.4.0.tgz",
-					"integrity": "sha512-pvCxP2iODIIk9adXlo4S3GRj0BrJiil68kByAa1PrgG97c1tClh9dLMgp3Z6cHFZrclaABt0UH8PIhwHuFLqYA==",
-					"dev": true,
-					"requires": {
-						"ansi-regex": "3.0.0",
-						"ansi-styles": "3.2.0"
-					}
-				}
-			}
+			"resolved": "https://registry.npmjs.org/jest-serializer/-/jest-serializer-22.4.0.tgz",
+			"integrity": "sha512-dnqde95MiYfdc1ZJpjEiHCRvRGGJHPsZQARJFucEGIaOzxqqS9/tt2WzD/OUSGT6kxaEGLQE92faVJGdoCu+Rw==",
+			"dev": true
 		},
-		"jest-runtime": {
+		"jest-snapshot": {
 			"version": "22.4.0",
-			"resolved": "https://registry.npmjs.org/jest-runtime/-/jest-runtime-22.4.0.tgz",
-			"integrity": "sha512-aixL2DIXoFQ2ubnurzK4kbNXLl3+m0m7wIBb5VWaJdl1/3nV1UCSjZ9/dJZzpWGGfXsoGw2RZd8sS0nS5s+tdw==",
+			"resolved": "https://registry.npmjs.org/jest-snapshot/-/jest-snapshot-22.4.0.tgz",
+			"integrity": "sha512-6Zz4F9G1Nbr93kfm5h3A2+OkE+WGpgJlskYE4iSNN2uYfoTL5b9W6aB9Orpx+ueReHyqmy7HET7Z3EmYlL3hKw==",
 			"dev": true,
 			"requires": {
-				"babel-core": "6.26.0",
-				"babel-jest": "22.4.0",
-				"babel-plugin-istanbul": "4.1.5",
 				"chalk": "2.3.0",
-				"convert-source-map": "1.5.1",
-				"exit": "0.1.2",
-				"graceful-fs": "4.1.11",
-				"jest-config": "22.4.0",
-				"jest-haste-map": "22.4.0",
-				"jest-regex-util": "22.1.0",
-				"jest-resolve": "22.4.0",
-				"jest-util": "22.4.0",
-				"jest-validate": "22.4.0",
-				"json-stable-stringify": "1.0.1",
-				"micromatch": "2.3.11",
-				"realpath-native": "1.0.0",
-				"slash": "1.0.0",
-				"strip-bom": "3.0.0",
-				"write-file-atomic": "2.3.0",
-				"yargs": "10.1.2"
-			},
-			"dependencies": {
-				"ansi-regex": {
-					"version": "3.0.0",
-					"resolved": "https://registry.npmjs.org/ansi-regex/-/ansi-regex-3.0.0.tgz",
-					"integrity": "sha1-7QMXwyIGT3lGbAKWa922Bas32Zg=",
-					"dev": true
-				},
-				"babel-jest": {
-					"version": "22.4.0",
-					"resolved": "https://registry.npmjs.org/babel-jest/-/babel-jest-22.4.0.tgz",
-					"integrity": "sha512-A/safCd5jSf1D98XoHCN3YYuGurtUPntuPh8b7UxsLNfEp/QC8UwdL+VEGSLN5Fk3+tS/Jdbf5NK/T2it8RGYw==",
-					"dev": true,
-					"requires": {
-						"babel-plugin-istanbul": "4.1.5",
-						"babel-preset-jest": "22.2.0"
-					}
-				},
-				"jest-validate": {
-					"version": "22.4.0",
-					"resolved": "https://registry.npmjs.org/jest-validate/-/jest-validate-22.4.0.tgz",
-					"integrity": "sha512-l5JwbIAso8jGp/5/Dy86BCVjOra/Rb81wyXcFTGa4VxbtIh4AEOp2WixgprHLwp+YlUrHugZwaGyuagjB+iB+A==",
-					"dev": true,
-					"requires": {
-						"chalk": "2.3.0",
-						"jest-config": "22.4.0",
-						"jest-get-type": "22.1.0",
-						"leven": "2.1.0",
-						"pretty-format": "22.4.0"
-					}
-				},
-				"pretty-format": {
-					"version": "22.4.0",
-					"resolved": "https://registry.npmjs.org/pretty-format/-/pretty-format-22.4.0.tgz",
-					"integrity": "sha512-pvCxP2iODIIk9adXlo4S3GRj0BrJiil68kByAa1PrgG97c1tClh9dLMgp3Z6cHFZrclaABt0UH8PIhwHuFLqYA==",
-					"dev": true,
-					"requires": {
-						"ansi-regex": "3.0.0",
-						"ansi-styles": "3.2.0"
-					}
-				},
-				"strip-bom": {
-					"version": "3.0.0",
-					"resolved": "https://registry.npmjs.org/strip-bom/-/strip-bom-3.0.0.tgz",
-					"integrity": "sha1-IzTBjpx1n3vdVv3vfprj1YjmjtM=",
-					"dev": true
-				}
+				"jest-diff": "22.4.0",
+				"jest-matcher-utils": "22.4.0",
+				"mkdirp": "0.5.1",
+				"natural-compare": "1.4.0",
+				"pretty-format": "22.4.0"
 			}
 		},
-		"jest-serializer": {
-			"version": "22.4.0",
-			"resolved": "https://registry.npmjs.org/jest-serializer/-/jest-serializer-22.4.0.tgz",
-			"integrity": "sha512-dnqde95MiYfdc1ZJpjEiHCRvRGGJHPsZQARJFucEGIaOzxqqS9/tt2WzD/OUSGT6kxaEGLQE92faVJGdoCu+Rw==",
-			"dev": true
-		},
 		"jest-util": {
 			"version": "22.4.0",
 			"resolved": "https://registry.npmjs.org/jest-util/-/jest-util-22.4.0.tgz",
diff --git a/yarn.lock b/yarn.lock
index f73e438..823b671 100644
--- a/yarn.lock
+++ b/yarn.lock
@@ -264,12 +264,12 @@ babel-helpers@^6.24.1:
     babel-runtime "^6.22.0"
     babel-template "^6.24.1"
 
-babel-jest@^22.4.0:
-  version "22.4.0"
-  resolved "https://registry.yarnpkg.com/babel-jest/-/babel-jest-22.4.0.tgz#79479739c87a39327383bb944a0a8a2deb5c9b4d"
+babel-jest@^22.4.1:
+  version "22.4.1"
+  resolved "https://registry.yarnpkg.com/babel-jest/-/babel-jest-22.4.1.tgz#ff53ebca45957347f27ff4666a31499fbb4c4ddd"
   dependencies:
     babel-plugin-istanbul "^4.1.5"
-    babel-preset-jest "^22.2.0"
+    babel-preset-jest "^22.4.1"
 
 babel-messages@^6.23.0:
   version "6.23.0"
@@ -285,19 +285,19 @@ babel-plugin-istanbul@^4.1.5:
     istanbul-lib-instrument "^1.7.5"
     test-exclude "^4.1.1"
 
-babel-plugin-jest-hoist@^22.2.0:
-  version "22.2.0"
-  resolved "https://registry.yarnpkg.com/babel-plugin-jest-hoist/-/babel-plugin-jest-hoist-22.2.0.tgz#bd34f39d652406669713b8c89e23ef25c890b993"
+babel-plugin-jest-hoist@^22.4.1:
+  version "22.4.1"
+  resolved "https://registry.yarnpkg.com/babel-plugin-jest-hoist/-/babel-plugin-jest-hoist-22.4.1.tgz#d712fe5da8b6965f3191dacddbefdbdf4fb66d63"
 
 babel-plugin-syntax-object-rest-spread@^6.13.0:
   version "6.13.0"
   resolved "https://registry.yarnpkg.com/babel-plugin-syntax-object-rest-spread/-/babel-plugin-syntax-object-rest-spread-6.13.0.tgz#fd6536f2bce13836ffa3a5458c4903a597bb3bf5"
 
-babel-preset-jest@^22.2.0:
-  version "22.2.0"
-  resolved "https://registry.yarnpkg.com/babel-preset-jest/-/babel-preset-jest-22.2.0.tgz#f77b43f06ef4d8547214b2e206cc76a25c3ba0e2"
+babel-preset-jest@^22.4.1:
+  version "22.4.1"
+  resolved "https://registry.yarnpkg.com/babel-preset-jest/-/babel-preset-jest-22.4.1.tgz#efa2e5f5334242a9457a068452d7d09735db172a"
   dependencies:
-    babel-plugin-jest-hoist "^22.2.0"
+    babel-plugin-jest-hoist "^22.4.1"
     babel-plugin-syntax-object-rest-spread "^6.13.0"
 
 babel-register@^6.26.0:
@@ -1757,9 +1757,9 @@ jest-changed-files@^22.2.0:
   dependencies:
     throat "^4.0.0"
 
-jest-cli@^22.4.0:
-  version "22.4.0"
-  resolved "https://registry.yarnpkg.com/jest-cli/-/jest-cli-22.4.0.tgz#234d6175166e87ecab40c6e5a4f7b3f6a4cd4257"
+jest-cli@^22.4.2:
+  version "22.4.2"
+  resolved "https://registry.yarnpkg.com/jest-cli/-/jest-cli-22.4.2.tgz#e6546dc651e13d164481aa3e76e53ac4f4edab06"
   dependencies:
     ansi-escapes "^3.0.0"
     chalk "^2.0.1"
@@ -1773,18 +1773,18 @@ jest-cli@^22.4.0:
     istanbul-lib-instrument "^1.8.0"
     istanbul-lib-source-maps "^1.2.1"
     jest-changed-files "^22.2.0"
-    jest-config "^22.4.0"
-    jest-environment-jsdom "^22.4.0"
+    jest-config "^22.4.2"
+    jest-environment-jsdom "^22.4.1"
     jest-get-type "^22.1.0"
-    jest-haste-map "^22.4.0"
+    jest-haste-map "^22.4.2"
     jest-message-util "^22.4.0"
     jest-regex-util "^22.1.0"
     jest-resolve-dependencies "^22.1.0"
-    jest-runner "^22.4.0"
-    jest-runtime "^22.4.0"
+    jest-runner "^22.4.2"
+    jest-runtime "^22.4.2"
     jest-snapshot "^22.4.0"
-    jest-util "^22.4.0"
-    jest-validate "^22.4.0"
+    jest-util "^22.4.1"
+    jest-validate "^22.4.2"
     jest-worker "^22.2.2"
     micromatch "^2.3.11"
     node-notifier "^5.2.1"
@@ -1812,6 +1812,22 @@ jest-config@^22.4.0:
     jest-validate "^22.4.0"
     pretty-format "^22.4.0"
 
+jest-config@^22.4.2:
+  version "22.4.2"
+  resolved "https://registry.yarnpkg.com/jest-config/-/jest-config-22.4.2.tgz#580ba5819bf81a5e48f4fd470e8b81834f45c855"
+  dependencies:
+    chalk "^2.0.1"
+    glob "^7.1.1"
+    jest-environment-jsdom "^22.4.1"
+    jest-environment-node "^22.4.1"
+    jest-get-type "^22.1.0"
+    jest-jasmine2 "^22.4.2"
+    jest-regex-util "^22.1.0"
+    jest-resolve "^22.4.2"
+    jest-util "^22.4.1"
+    jest-validate "^22.4.2"
+    pretty-format "^22.4.0"
+
 jest-diff@^22.4.0:
   version "22.4.0"
   resolved "https://registry.yarnpkg.com/jest-diff/-/jest-diff-22.4.0.tgz#384c2b78519ca44ca126382df53f134289232525"
@@ -1835,6 +1851,14 @@ jest-environment-jsdom@^22.4.0:
     jest-util "^22.4.0"
     jsdom "^11.5.1"
 
+jest-environment-jsdom@^22.4.1:
+  version "22.4.1"
+  resolved "https://registry.yarnpkg.com/jest-environment-jsdom/-/jest-environment-jsdom-22.4.1.tgz#754f408872441740100d3917e5ec40c74de6447f"
+  dependencies:
+    jest-mock "^22.2.0"
+    jest-util "^22.4.1"
+    jsdom "^11.5.1"
+
 jest-environment-node@^22.4.0:
   version "22.4.0"
   resolved "https://registry.yarnpkg.com/jest-environment-node/-/jest-environment-node-22.4.0.tgz#b6d9458275053028d4b1658851c3475ab22dfb56"
@@ -1842,13 +1866,20 @@ jest-environment-node@^22.4.0:
     jest-mock "^22.2.0"
     jest-util "^22.4.0"
 
+jest-environment-node@^22.4.1:
+  version "22.4.1"
+  resolved "https://registry.yarnpkg.com/jest-environment-node/-/jest-environment-node-22.4.1.tgz#418850eb654596b8d6e36c2021cbedbc23df8e16"
+  dependencies:
+    jest-mock "^22.2.0"
+    jest-util "^22.4.1"
+
 jest-get-type@^22.1.0:
   version "22.1.0"
   resolved "https://registry.yarnpkg.com/jest-get-type/-/jest-get-type-22.1.0.tgz#4e90af298ed6181edc85d2da500dbd2753e0d5a9"
 
-jest-haste-map@^22.4.0:
-  version "22.4.0"
-  resolved "https://registry.yarnpkg.com/jest-haste-map/-/jest-haste-map-22.4.0.tgz#7a2cadb32ce1fe9352a57841437b000f1624f14d"
+jest-haste-map@^22.4.2:
+  version "22.4.2"
+  resolved "https://registry.yarnpkg.com/jest-haste-map/-/jest-haste-map-22.4.2.tgz#a90178e66146d4378bb076345a949071f3b015b4"
   dependencies:
     fb-watchman "^2.0.0"
     graceful-fs "^4.1.11"
@@ -1874,6 +1905,22 @@ jest-jasmine2@^22.4.0:
     jest-snapshot "^22.4.0"
     source-map-support "^0.5.0"
 
+jest-jasmine2@^22.4.2:
+  version "22.4.2"
+  resolved "https://registry.yarnpkg.com/jest-jasmine2/-/jest-jasmine2-22.4.2.tgz#dfd3d259579ed6f52510d8f1ab692808f0d40691"
+  dependencies:
+    chalk "^2.0.1"
+    co "^4.6.0"
+    expect "^22.4.0"
+    graceful-fs "^4.1.11"
+    is-generator-fn "^1.0.0"
+    jest-diff "^22.4.0"
+    jest-matcher-utils "^22.4.0"
+    jest-message-util "^22.4.0"
+    jest-snapshot "^22.4.0"
+    jest-util "^22.4.1"
+    source-map-support "^0.5.0"
+
 jest-leak-detector@^22.4.0:
   version "22.4.0"
   resolved "https://registry.yarnpkg.com/jest-leak-detector/-/jest-leak-detector-22.4.0.tgz#64da77f05b001c96d2062226e079f89989c4aa2f"
@@ -1919,39 +1966,46 @@ jest-resolve@^22.4.0:
     browser-resolve "^1.11.2"
     chalk "^2.0.1"
 
-jest-runner@^22.4.0:
-  version "22.4.0"
-  resolved "https://registry.yarnpkg.com/jest-runner/-/jest-runner-22.4.0.tgz#2509b82834ab4aa7e984ff464626397c556177a7"
+jest-resolve@^22.4.2:
+  version "22.4.2"
+  resolved "https://registry.yarnpkg.com/jest-resolve/-/jest-resolve-22.4.2.tgz#25d88aa4147462c9c1c6a1ba16250d3794c24d00"
+  dependencies:
+    browser-resolve "^1.11.2"
+    chalk "^2.0.1"
+
+jest-runner@^22.4.2:
+  version "22.4.2"
+  resolved "https://registry.yarnpkg.com/jest-runner/-/jest-runner-22.4.2.tgz#19390ea9d99f768973e16f95a1efa351c0017e87"
   dependencies:
     exit "^0.1.2"
-    jest-config "^22.4.0"
+    jest-config "^22.4.2"
     jest-docblock "^22.4.0"
-    jest-haste-map "^22.4.0"
-    jest-jasmine2 "^22.4.0"
+    jest-haste-map "^22.4.2"
+    jest-jasmine2 "^22.4.2"
     jest-leak-detector "^22.4.0"
     jest-message-util "^22.4.0"
-    jest-runtime "^22.4.0"
-    jest-util "^22.4.0"
+    jest-runtime "^22.4.2"
+    jest-util "^22.4.1"
     jest-worker "^22.2.2"
     throat "^4.0.0"
 
-jest-runtime@^22.4.0:
-  version "22.4.0"
-  resolved "https://registry.yarnpkg.com/jest-runtime/-/jest-runtime-22.4.0.tgz#a4e3e3709a2289725790ed51ca41526a5700ddc4"
+jest-runtime@^22.4.2:
+  version "22.4.2"
+  resolved "https://registry.yarnpkg.com/jest-runtime/-/jest-runtime-22.4.2.tgz#0de0444f65ce15ee4f2e0055133fc7c17b9168f3"
   dependencies:
     babel-core "^6.0.0"
-    babel-jest "^22.4.0"
+    babel-jest "^22.4.1"
     babel-plugin-istanbul "^4.1.5"
     chalk "^2.0.1"
     convert-source-map "^1.4.0"
     exit "^0.1.2"
     graceful-fs "^4.1.11"
-    jest-config "^22.4.0"
-    jest-haste-map "^22.4.0"
+    jest-config "^22.4.2"
+    jest-haste-map "^22.4.2"
     jest-regex-util "^22.1.0"
-    jest-resolve "^22.4.0"
-    jest-util "^22.4.0"
-    jest-validate "^22.4.0"
+    jest-resolve "^22.4.2"
+    jest-util "^22.4.1"
+    jest-validate "^22.4.2"
     json-stable-stringify "^1.0.1"
     micromatch "^2.3.11"
     realpath-native "^1.0.0"
@@ -1986,6 +2040,18 @@ jest-util@^22.4.0:
     jest-message-util "^22.4.0"
     mkdirp "^0.5.1"
 
+jest-util@^22.4.1:
+  version "22.4.1"
+  resolved "https://registry.yarnpkg.com/jest-util/-/jest-util-22.4.1.tgz#dd17c3bdb067f8e90591563ec0c42bf847dc249f"
+  dependencies:
+    callsites "^2.0.0"
+    chalk "^2.0.1"
+    graceful-fs "^4.1.11"
+    is-ci "^1.0.10"
+    jest-message-util "^22.4.0"
+    mkdirp "^0.5.1"
+    source-map "^0.6.0"
+
 jest-validate@^22.4.0:
   version "22.4.0"
   resolved "https://registry.yarnpkg.com/jest-validate/-/jest-validate-22.4.0.tgz#8bcbeaf7ac6893c90446daf0d9382b6de0651799"
@@ -1996,6 +2062,16 @@ jest-validate@^22.4.0:
     leven "^2.1.0"
     pretty-format "^22.4.0"
 
+jest-validate@^22.4.2:
+  version "22.4.2"
+  resolved "https://registry.yarnpkg.com/jest-validate/-/jest-validate-22.4.2.tgz#e789a4e056173bf97fe797a2df2d52105c57d4f4"
+  dependencies:
+    chalk "^2.0.1"
+    jest-config "^22.4.2"
+    jest-get-type "^22.1.0"
+    leven "^2.1.0"
+    pretty-format "^22.4.0"
+
 jest-worker@^22.2.2:
   version "22.2.2"
   resolved "https://registry.yarnpkg.com/jest-worker/-/jest-worker-22.2.2.tgz#c1f5dc39976884b81f68ec50cb8532b2cbab3390"
@@ -2003,11 +2079,11 @@ jest-worker@^22.2.2:
     merge-stream "^1.0.1"
 
 jest@^22.4.0:
-  version "22.4.0"
-  resolved "https://registry.yarnpkg.com/jest/-/jest-22.4.0.tgz#476e2c08c6c2a6dbb5cfec520b8bf1cd4c99afd7"
+  version "22.4.2"
+  resolved "https://registry.yarnpkg.com/jest/-/jest-22.4.2.tgz#34012834a49bf1bdd3bc783850ab44e4499afc20"
   dependencies:
     import-local "^1.0.0"
-    jest-cli "^22.4.0"
+    jest-cli "^22.4.2"
 
 js-tokens@^3.0.0, js-tokens@^3.0.2:
   version "3.0.2"