- Start implementing Scheduler::step_forward(). Whoohooo!

- Changed Schedulable::get_remaining_time() in get_elapsed_time()


git-svn-id: svn://svn.gna.org/svn/sgpemv2/trunk@702 3ecf2c5c-341e-0410-92b4-d18e462d057c

src/backend/concrete_history.cc

@@ -95,6 +95,7 @@ void
 ConcreteHistory::append_new_environment(ConcreteEnvironment* environment)
 {
 	_snapshots.push_back(environment);
+	notify_change();
 }