add load function to the VatHandler
added gateway. method implemnentation will follow
Implemented vatHandler
Fixed Calculator test after the change of array to Value
Fixed converter because in the table we have not 0 or 1. We have 1 or 2
Remove fromPersistence function as we do not need it. Also fix a cs issue in the SortInfo
Changed converter and gateway to get the values properly
Added Exceptions for general not found vat rate and for legacy Automatic
Add logger to the test so it could pass
missed phpdoc
Change var name
Fixed some headers and phpdoc