code: Bundle getCirclesOf(SPFPersona persona) {
  		SQLiteDatabase db = getReadableDatabase();
  		String table = Contract.TABLE_VISIBILITY;
  		String[] columns = { Contract.COLUMN_KEY, Contract.COLUMN_CIRCLE };
  		String selection = Contract.COLUMN_PERSONA + " = ?";
  		String[] selectionArgs = { persona.getIdentifier() };
  		String groupBy = null;
  		String having = null;
  		String orderBy = null;
  		Cursor c = db.query(table, columns, selection, selectionArgs, groupBy, having, orderBy);
  		Bundle b = new Bundle();
  		while (c.moveToNext()) {
  			String key = c.getString(c.getColumnIndex(Contract.COLUMN_KEY));
  			String circle = c.getString(c.getColumnIndex(Contract.COLUMN_CIRCLE));
  			ArrayList<String> list = b.getStringArrayList(key);
  			if (list == null) {
  				list = new ArrayList<String>();
  			}
  			list.add(circle);
  			b.putStringArrayList(key, list);
  		}
  		c.close();
  		return b;
  	}
docs: Returns a {@link Bundle} with profile fields identifiers as keys, and
  {@link ArrayList<String>} as circles.
  
  @param persona
  @return