* Use PackedSequence in ConvRNNs instead
- Zero-padding is incompatible with the current model
* Update test script
* Clean up comments and logic
* Add TQDM to requirements
* Add results using default hyperparameters
* Update instructions to use Castor-models
* Consolidate requirements.txt
* Refine README with convenience scripts
* Update internal instructions
* MP-CNN working dir minor edit