idautils.py: Functions() now work properly if start is not inside a defined function
idautils.py: Functions() now work properly if start is not inside a defined function

rigmar/idapython,roymuste/idapython,kamilkk/idapython,trietptm/idapython,rigmar/idapython,rigmar/idapython,roymuste/idapython,Alwnikrotikz/idapython,Alwnikrotikz/idapython,roymuste/idapython,Alwnikrotikz/idapython,kamilkk/idapython,kamilkk/idapython,trietptm/idapython,trietptm/idapython