update taming-transformers submodule to latest version

pushing out old taming submodule

Update requirements.txt

Update README.md

Update requirements.txt

Merge pull request #225 from pytti-tools/not_inplace

remove inplace operations from spherical_dist

Merge pull request #212 from pytti-tools/fix_show_palette_hbox

re-added make_hbox for show_palette

Merge pull request #210 from pytti-tools/fix_image_encode

shuffled ImageGuide train procedure to not skip everything when no emebedder provided

fixed backup removal to support python < 3.8

Merge pull request #208 from pytti-tools/fix_backup_xplatform

modified backup removal to use pathlib

Merge pull request #207 from Bardia323/fix_backup