Update to 3.0.1

- Add additional API Entity methods and properties to Models.
- Hide some methods that are reserved for Async builds
- Refactor uploaders and add support for Standard uploads.  This is
requested using UploadMethod.Standard
- Add support for pausing synchronous transfers using sync APIs.
- Make OAuthService more friendly by exposing queries instead of
explicitly returning OAuthTokens.  This allows for synchronous clients
to use OAuthService.
- Fix markdown issues in the readme.