Color correction.

The color picking in PyxelEdit is surely surpass many pixel editing programs by miles (Really). But, one thing I've to struggle with is how can I correcting/adjusting color in the end of my artwork creation. there's no such function except for "replace color" which is not much helping.
Something like Hue/Satuation, Brightness/Contrast adjustment or even "Levels adjustment" would be sweet.
Something like Hue/Satuation, Brightness/Contrast adjustment or even "Levels adjustment" would be sweet.
Thanks 

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