Makes the Decimal converter more 'flexible'.

If the requested Raw data to convert into a decimal is first splitted
in words of the specified unitSize. Each words are then added with the appropriate
shift in regards to their position.
remove useless debug message
Add a 'getDefaultEncodingFunction' to the EncodingFunction class that returns the DomainEncodingFuction
WIP over the application of the encoding functions when aligning data
Add appropriate imports in tests