Imager-File-APNG 0.002
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 - support writing paletted images, all the supplied images must have
   the same palette, and the same number of channels.

 - removed some leftover debug code
   https://github.com/tonycoz/imager-file-apng/pull/1

 - use the new low level read/write API from Imager::File::PNG

Imager-File-APNG 0.001
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 - initial release