More verbose output

[randspy]

Hi.

When(old_action)
{
Then(do_something_old){}

When(new_action)
{
    Then(do_something_new){}
};

};

Currently when "do_something_new" fails in the output we only see new_action;;do_something_new message. It would be nice to be able to see a full chain like

old_action
::new_action
::do_something_new

BR