Testing django2 0

[migue56]

1. Adding TestCase to searching fields
2. Adding TestCase of filters and url redirect
3. Adding TestCase of filters on bad params values and url redirect
4. Adding TestCase to post actions with user without login and user with login
5. Adding TestCase of Form with required fields
6. Adding TestCase of editview content
7. Adding TestCase of deleteview content
8. Adding TestCase of createview content
9. Adding TestCase of listview paginations and paginations urls
10. Changes to fix paginate_position on crud.py with paginate_position = 'Bottom'