additional_generators: Added doctests to reformat_slices and len_slices. This closes #57 and closes #58.
additional_generators: Added doctests to reformat_slices and len_slices. This closes #57 and closes #58.

nanshe-org/nanshe,jakirkham/nanshe,nanshe-org/nanshe,jakirkham/nanshe,DudLab/nanshe,DudLab/nanshe