message: Change typescript peerDependency version to ^2.6.0.
  This should allow any 2.x > 2.6
diff: "react": "^16.1.1",
  "react-dom": "^16.1.1",
  "react-test-renderer": "^16.1.1",
  - "typescript": "~2.6.0"
  + "typescript": "^2.6.0"
  },
  "devDependencies": {
  "react": "^16.1.1",
  "react-dom": "^16.1.1",
  "react-test-renderer": "^16.1.1",
  - "typescript": "~2.6.0"
  + "typescript": "^2.6.0"
  }
  }
  