v0.89.4

What's Changed

MR: #248
Full Changelog: v0.89.3...v0.89.4

Addresses:
#218 (Probably)
#230 (Probably)
#245
#247

Includes:

• #246
• Documentation Updates
• Update automatic cache to handle Anthropic's 4 cache_control entry limit
• Add ability to use nested yaml keys in config files (json encodes nested structured under top-level key)

New Contributors

• @johbo made their first contribution in #246