Patch 1 and 2 for larkos

Patch 1 for larkos 0.1 - Major improvements in testing, fixed bugs added a feature to combine test checkpoints
Patch 2 for larkos 0.1 - bug fixes, addes start_training_from
https://github.com/Okerew/larkos_0.1

Also bug fixes for https://github.com/Okerew/larkos