S-CFG, Optimizations, and More

[v0xie]

• Adds Semantic-aware Classifier-Free Guidance (S-CFG) #35
• Support multiple scripts modifying latent #36
• Refactor hooks / Save Attention Maps script #34
  • Adds a "Save Attention Maps" script that shows up only when INCANT_DEBUG is defined in env
  • Refactors module hooks / adding fields
• S-CFG Optimizations / CFG Scheduler #39
  • CFG Scheduler has its own dropdown
  • Reduce VRAM usage ~1 GB
• updated README.md file as #40 #41 - thanks @MYusufY
  • closes README needs reorganization #40
• Optimizations to PAG and t2i-zero #43 - thanks @drhead
• SCFG Fixes #44

DONE:

• Usage / documentation for new features
• Optimize S-CFG memory usage
  • Limit modules which allocate space for maps
  • Fix R hyperparameter