catch zmq error
Removed unused function diet_container_set
Removed diet_container structure
bugfix: FileFactory was not thread-safe
The factory was parameterized with static member variables
removed quite a lot of useless strdups
Fixed compilation
created a temporary diet_string_get2 method which takes a string instead of
a char** to prevent memleaks
use new diet_string_get2
use new diet_string_get2
use new diet_string_get2
use new diet_string_get2
use new diet_string_get2
use new diet_string_get2
use new diet_string_get2
use new diet_string_get2
use new diet_string_get2
use new diet_string_get2
use new diet_string_get2
use new diet_string_get2
use new diet_string_get2