Malignant Pony Fever

Added

• Added variable interpolation + autocast handling

Changed

• Simplify percentage step by removing the optional parameter new_column

• Simplify unpivot step UX by enforcing automatic column names for
  unpivot_column_name and value_column_name (not requiring for a user input
  anymore)

Fixed

• Fixed top step initialization (rank_on parameter)
• Fixed argmin and argmax labelling, initialization and interactions
• Fixed shared references between items in List widget.