Release v3.3.0

Added

• The get_by_full_name() function has two new optional arguments instance_of and subclass_of, which may be
  used to ensure correct return types.
• The unflatten_dict() function now supports tuple keys.
• The logs.disable_temporarily() function now support passing loggers by name.

Fixed

• Print parent of inner class in misc.tname() when prefix_classname=True.
• Prefer later folds when using frequency-based schedule and after arguments (ml.time_split, #313).