Update requirements.txt

Fix pillow vulnerability

Update README.md

Merge branch 'master' of https://github.com/ImagingLab/Colorizing-with-GANs

set name for the output tensor

Update README.md

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discard grayscale image in dataloader

Merge branch 'master' of https://github.com/ImagingLab/Colorizing-with-GANs

fix loading flist

Delete discriminator.png

Update README.md

add custom test method

update evaluate method