Merge branch 'Fast-Transformer'

data/collate/data_collate_factory.py

modules/architecture/architecture_factory.py

modules/architecture/fast_recurrent_transformer.py

modules/architecture/fast_transformer.py

modules/architecture/pytorch_transformer.py

modules/architecture/transformer.py

modules/token_embedding/composite_embedding_A.py

modules/token_embedding/composite_embedding_B.py

modules/token_embedding/composite_embedding_C.py

modules/token_embedding/convolution_embedding_A.py

modules/token_embedding/multi_conv_embedding_A.py

modules/token_embedding/substitution_embedding.py