## 2.1.1
  - Add a String check to `tls_options` sanitization to allow other objects

## 2.1.0
  - Expose `:tls_options` SSL configuration option. Deprecate :ca_file, :ssl_version

## 2.0.4
  - Improve log message when invalid credentials are used

## 2.0.3
  - Protects against wrong request method call to callback