New yaml character format (#337 from TheTerrasque/feature/yaml-characters)

This doesn't break backward compatibility with JSON characters.

requirements.txt

@@ -1,5 +1,6 @@
 accelerate==0.18.0
 bitsandbytes==0.37.2
+datasets
 flexgen==0.1.7
 gradio==3.24.0
 llamacpp==0.1.11
@@ -10,6 +11,6 @@ requests
 rwkv==0.7.1
 safetensors==0.3.0
 sentencepiece
+pyyaml
 tqdm
-datasets
 git+https://github.com/huggingface/transformers