v0.1.1

• on_incorrect_config=(ignore|warn|error) can be passed to MainLoop config yielding either an error or a warning or ignores invalid main loop config entirely
• add Flatten hook which flattens various collections into a flat structure
• add LogitsToCsv hook which exports classification logits into CSV
• add PlotLines which plotd sequences of numbers using matplotlib
• add SaveFile which saves specified files into the output directory before the training
• add SaveMasks which saves a stream of masks
• add SequenceToCsv which stores the specified sequences to CSV
• test refactor