* Update version number
* Format existing code
* Add name to authors
* Add tslint.json
* Rewrite to match module.d.ts template
* Add missing functions
* Add extendString and related String augmentation
* Correct uriSafe parameter to be optional
* Correct extended functions to be required
* Add new tests and fix global Base64
* Add missing uriSafe parameter to toBase64
* Enable strictNullChecks
* Add missing test case