kernel functions are not fixed to be Object functions

lib/ast/call_site_expression.rb

@@ -8,6 +8,7 @@ module Ast
     end
     def compile context , into
       params = args.collect{ |a| a.compile(context, into) }
+      #TOOD, this needs dynamic resolution
       function = context.current_class.get_or_create_function(name)
       raise "Forward declaration not implemented (#{name}) #{inspect}" if function == nil
       call = Vm::CallSite.new( name ,  params  , function)

lib/core/kernel.rb

@@ -38,7 +38,7 @@ module Core
         context.object_space.add_object buffer              # and save it (function local variable: a no no)
         int = putint_function.args.first
         moved_int = putint_function.new_local
-        utoa = context.current_class.get_or_create_function(:utoa)
+        utoa = context.object_space.get_or_create_class(:Object).get_or_create_function(:utoa)
         b = putint_function.body
         b.mov( moved_int ,  int ) #move arg up
         #b.a       buffer  => int          # string to write to