Make Modules::set_raw_fn public.

src/packages/array_basic.rs

@@ -67,7 +67,7 @@ macro_rules! reg_tri {
 macro_rules! reg_pad {
     ($lib:expr, $op:expr, $func:ident, $($par:ty),*) => {
         $({
-            $lib.set_fn_var_args($op,
+            $lib.set_raw_fn($op,
                 &[TypeId::of::<Array>(), TypeId::of::<INT>(), TypeId::of::<$par>()],
                 $func::<$par>
             );

src/packages/string_more.rs

@@ -223,7 +223,7 @@ def_package!(crate:MoreStringPackage:"Additional string utilities, including str
             Ok(())
         },
     );
-    lib.set_fn_var_args(
+    lib.set_raw_fn(
         "pad",
         &[TypeId::of::<ImmutableString>(), TypeId::of::<INT>(), TypeId::of::<char>()],
         |engine: &Engine, _: &Module, args: &mut [&mut Dynamic]| {