Added import of CategoryCode inside ApplicableTradeTax, e.g.
<ram:ApplicableTradeTax>
<ram:TypeCode>VAT</ram:TypeCode>
<ram:CategoryCode>AE</ram:CategoryCode> <!-- BT-151 -->
<ram:RateApplicablePercent>0.00</ram:RateApplicablePercent>
</ram:ApplicableTradeTax>```
Also a /zero error in LineCalculator was fixed and a value for IBAN and mandate in DirectDebit default
constructor was added.
Added import of CategoryCode inside ApplicableTradeTax, e.g.