Simplify a couple symtab things.
Simplify a couple symtab things.

Var lookup was checking for name being NULL, which never ever happens since
var creation gives up if it can't copy the given name.

But just to be sure, I did a blastmaster test. No issues.

Also touched up itering through class callables too.

crasm/lily,crasm/lily,boardwalk/lily,boardwalk/lily,crasm/lily