Correction du bug de !4
Correctif pour :
[15/Apr/2016 09:14:15] Request on "/hello/test"
** (process:2220): CRITICAL **: valse_controller_get_actions: assertion 'self != NULL' failed
** (process:2220): CRITICAL **: gee_abstract_map_get: assertion 'self != NULL' failed
-> GET text/html 404