Improve assertion manager's handlers.
Improve assertion manager's handlers.

tejerka/atoum,jubianchi/atoum,agallou/atoum,CedCannes/atoum,vonglasow/atoum,gpaton/atoum,mikaelrandy/atoum,CedCannes/atoum,vonglasow/atoum,Tiross/atoum,mageekguy/atoum,GuillaumeDievart/atoum,tejerka/atoum,agallou/atoum,Tiross/atoum,mageekguy/atoum,gpaton/atoum,mikaelrandy/atoum,jubianchi/atoum,GuillaumeDievart/atoum