[add plane_stats](https://github.com/dnjulek/jvsfunc/commit/39a446569c337552d63cab326403ead4e46b1ed6) and [rewrite retinex](https://github.com/dnjulek/jvsfunc/commit/c071bc3dafa88b97e2d07f6d8a9f4994e08c5d7d)
1.0.4
retinex: add param fast and replace gauss with vsrgtools. gauss: removed, use gauss_blur from vsrgtools.