add custom gene link to Study.interactive_pca
sanity check, make sure gene lists are used for expression and splicing lists are used for splicing
add graph collider
CLIPdata data model
add title to NetworkerViz graph
make PredictorBase.classifiers_ less nested (this is relic from old code)
PredictorBase.has_been_*_yet should be dictionaries that manage each trait separately
[ ] interactive_predictor classifier
BaseData get_predictor
ExpressionData make_classifier
Submarine PredictorBaseViz
Frigate PredictorBase
python3 unicode compatibility in flotilla/test/data_model/test_data_model_gene_ontology.py