[FIX] iban read method to accept a single item or a list
[FIX] iban read method to accept a single item or a list

web-client sometimes passes a list of ids, or just a single id.
In the latter case a single record is returned, instead of a list of records.
Adjust code to cope with that situation.


damdam-s/bank-payment,Antiun/bank-payment,Antiun/bank-payment,damdam-s/bank-payment,ndtran/bank-payment,sergiocorato/bank-payment,vrenaville/bank-payment,rschnapka/bank-payment,CompassionCH/bank-payment,sergio-incaser/bank-payment,diagramsoftware/bank-payment,ndtran/bank-payment,yvaucher/bank-payment,hbrunn/bank-payment,rlizana/bank-payment,sergio-teruel/bank-payment,CompassionCH/bank-payment,incaser/bank-payment,rschnapka/bank-payment,sergio-incaser/bank-payment,sergio-teruel/bank-payment,open-synergy/bank-payment,syci/bank-payment,David-Amaro/bank-payment,sergiocorato/bank-payment,acsone/bank-payment,rlizana/bank-payment,vrenaville/bank-payment,syci/bank-payment,David-Amaro/bank-payment,yvaucher/bank-payment