WIP: Resolve "decouple JOIN and MLT"

Closes #135 (closed)

src/data_handling/__init__.py

@@ -10,6 +10,6 @@ __date__ = '2020-04-17'
 
 
 from .bootstraps import BootStraps
-from .data_preparation import DataPrep
+from .data_preparation_join import DataPrepJoin
 from .data_generator import DataGenerator
 from .data_distributor import Distributor