- Add cuML-based GPU support for model training [80](https://github.com/Teichlab/celltypist/pull/80)
- Detect data input format only for the first 1000 cells
- Fix KeyError in [to_adata](https://celltypist.readthedocs.io/en/latest/celltypist.classifier.AnnotationResult.html#celltypist.classifier.AnnotationResult.to_adata) when setting `mode = 'prob match'` in [celltypist.annotate](https://celltypist.readthedocs.io/en/latest/celltypist.annotate.html)
- Add gene symbol to ID conversion file and expand README [87](https://github.com/Teichlab/celltypist/issues/87)