Country admin report

@dannyroberts Can you check how I changed the string property to string list? I also changed wrap to attempt automatic conversion for the multiselect field. commit in question would be 831e897a52ddd78d869b2e195bcaacd8dcb9bd64. others are admin reports related.
Populating it in a dictionary like this, because currently there is a messy circular dependency because django_countries relies on django functional