Problem : Error in agent are not managed
Problem : Error in agent are not managed

Solution : add a very basic error management solution.

If an agent raise an exception, the error will be printed with the name of the
agent.

sjmackenzie/fractalide,dmichiels/fractalide,sjmackenzie/fractalide,fractalide/fractalide,dmichiels/fractalide,sjmackenzie/fractalide,fractalide/fractalide,dmichiels/fractalide,fractalide/fractalide