Fixed - Bug that made make-samples break for single values of x0
0.2.0
Added - Ability for `spellbook make_samples` to take multiple values in x0. - Chunking logic for `spellbook collect`. - Padding feature that allows `spellbook stack-npz` to handle variable-length arrays.
Fixed - Bug that caused `stack-npz` to break when given only 1 source file.
0.1.0
Added - Command line functionality for all spellbook scripts