Added the class alias in the RuntimeException message.
Added the class alias in the RuntimeException message.

As it would be nice to know which class already exists with the same name.
geomorillo/framework,danvers/enrollment-tool,simple-mvc-framework/framework,danvers/enrollment-tool,LuckyCyborg/simple-mvc-framework,XTRO123/framework,XTRO123/framework,XTRO123/framework,simple-mvc-framework/framework,LuckyCyborg/simple-mvc-framework,danvers/enrollment-tool,nova-framework/framework,LuckyCyborg/framework,LuckyCyborg/simple-mvc-framework,LuckyCyborg/framework,geomorillo/framework,geomorillo/framework,LuckyCyborg/simple-mvc-framework,nova-framework/framework