message: Adding build-version to watch
diff: "build-lib": "babel src -d lib --source-maps --extensions '.ts,.js'",
  "build-types": "tsc --emitDeclarationOnly",
  "build-version": "./timestamp.sh > src/versionInfo.ts && eslint 'src/versionInfo.ts' --fix",
  - "watch": "babel src --out-dir lib --watch --source-maps --extensions '.ts,.js'",
  + "watch": "npm run version && babel src --out-dir lib --watch --source-maps --extensions '.ts,.js'",
  "clean": "rm -rf lib",
  "lint": "eslint 'src/**/*.js' 'src/**/*.ts'",
  "lint-fix": "eslint 'src/**/*.js' 'src/**/*.ts' --fix",
  