v0.1.2

Changes

52ccf04 hold out a set of chunks for model evaluation.
36deabc bonito download for retrieving pretrained models and training assets.
db30bdc bonito convert for chunking up hdf5 training files.
fe4dfd9 multi-gpu training support.
43327e3 resume training.
6b38f64 don't write empty fasta records.
3439bb6 store the parameters used to chunk the training data.
4567938 debian packaging.