merged PR for getDateOfBirth fix and dependency constraint fix. Thank you to...

merged PR for getDateOfBirth fix and dependency constraint fix. Thank you to https://github.com/martin-probst and https://github.com/BenjaminPaap

package.json

 {
   "name": "react-native-apple-healthkit",
-  "version": "0.1.3",
+  "version": "0.1.4",
   "description": "A React Native bridge module for interacting with Apple HealthKit data",
   "main": "index.js",
   "scripts": {