#295 Refactor PropertyMapping, split into object- and collection mapping
#295 NullValueMapping for BeanMapping on mapping method level
#295 NullValueMapping for IterableMapping on mapping method level
#295 Avoid using fully qualified names for local variables
#295 NullValueMapping for MapMapping on mapping method level
#295 NullValueMapping inheritance mechanism from MapperConfig to Mapper to Method
#295 Replacing MapNullToDefault with NullValueMapping