COBieLiteUK: Conversion from IFC sets: Country not set

[MichaelBuehler]

In xbim.Exchanger > IfcToCOBieLiteUK

CountactConverter: Consider to set also contact.Country

In multiple locations missing:
var country = string.Join(";", ifcPostalAddresses.Where(p => p.Country.HasValue).SelectMany(p => p.Country.ToString()));
if (!string.IsNullOrWhiteSpace(country))
Country = country;