cleaning up for readability and style
restructuring for cleaner pipeline in model.py
experiment for where to vectorize features (moved to model.py
Changed data accessor methods for model.py support
Restructured train
Moved vectorizers and classifiers into model.py
(minor) adjusted spacing
minor adjustments for now (but large overhaul is coming)
minor adjustments (for now)
large changes to move vectorizers & classifiers into Model object (still more tidying to do)
Extended methods to better support model.py
Temporarily fixed an issue in Model::concept_labels()
minor spacing adjustments