Real-CUGAN release 20220226

Add low memory mode to support large resolution input images.
You can download the updated package and follow readme.txt or download the full package to use the 20220223 version.
Fix garbled code issue.

Real-CUGAN release 20220227

Add faster low memory mode to support large resolution input images.
(cache_mode=2:faster low memory mode, time+25%; cache_mode=3:lossless low memory mode, time+150%)
Enhancement strength adjustment are now supported. You can adjust config "alpha" (0.75~1.3 suggested, default 1. Reduce alpha for more sharpen result) to try it.
You can download the updated package and follow readme.txt or download the full package to use the 20220227 version.

Real-CUGAN release v3

Update README.md