Modifier finders:

- modifid the algo findAll function:
  If you want to find All object with the date_begin > Now,
  you must specify a symbol comparator such as:
   - lt (lesser than) which correspond to <
   - gt (greater than) which correspond to >
   - lte (lesser and equals than) which correspond to <=
   - gte (greater and equals than) which correspond to >=
   - eql (equals) which correspond to =
   - like (like) correspond to LIKE