#### Issue Summary Sendgrid version: 4.7.1 Trying to make use of sendgrid in typescript. Cannot make use of the `SendGrid` namespace. Would be great to have some working examples of using typescript with sendgrid. #### Steps to Reproduce 1. clone [sendgrid-ts-demo repo](https://github.com/SPARTAN563/sendgrid-ts-demo/blob/master/sendgrid.ts), ` 2. `npm install` 3. `npm test` (which runs `tsc`) 4. error #### Technical details: * sendgrid-nodejs Version: 4.7.1 * Node.js Version: 5.5.0 * Typescript Version: 1.8.10, 2.0.6