# New brightness augmenters

* Added augmenter `imgaug.augmenters.color.WithBrightnessChannels`.
* Added augmenter `imgaug.augmenters.color.MultiplyAndAddToBrightness`.
* Added augmenter `imgaug.augmenters.color.MultiplyBrightness`.
* Added augmenter `imgaug.augmenters.color.AddToBrightness`.
* Added method `imgaug.parameters.handle_categorical_string_param()`.
* Changed `change_colorspaces_()` to accept any iterable of `str` for
  argument `to_colorspaces`, not just `list`.

# New brightness augmenters #455

* Added augmenter `imgaug.augmenters.color.WithBrightnessChannels`.
* Added augmenter `imgaug.augmenters.color.MultiplyAndAddToBrightness`.
* Added augmenter `imgaug.augmenters.color.MultiplyBrightness`.
* Added augmenter `imgaug.augmenters.color.AddToBrightness`.
* Added method `imgaug.parameters.handle_categorical_string_param()`.
* Changed `change_colorspaces_()` to accept any iterable of `str` for
  argument `to_colorspaces`, not just `list`.

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