Update dependencies

Author: Adam Gruber

package.json

@@ -30,15 +30,15 @@
     "camel-case": "^3.0.0"
   },
   "devDependencies": {
-    "eslint": "^3.19.0 || ^4.5.0",
-    "eslint-config-airbnb-base": "^11.3.2",
-    "eslint-plugin-import": "^2.7.0",
-    "jest": "^20.0.4",
-    "node-sass": "^4.5.3",
-    "sass-extract": "^2.0.0"
+    "eslint": "^5.2.0",
+    "eslint-config-airbnb-base": "^13.0.0",
+    "eslint-plugin-import": "^2.13.0",
+    "jest": "^23.4.1",
+    "node-sass": "^4.9.2",
+    "sass-extract": "^2.1.0"
   },
   "peerDependencies": {
-    "sass-extract": "^1.0.1"
+    "sass-extract": "*"
   },
   "jest": {
     "collectCoverage": true,