Fixed almost all but Interpreter

150 only failing, seems only 1 bug though
and one in linker

lib/mom/instruction/message_setup.rb

@@ -22,6 +22,7 @@ module Mom
     attr_reader :method_source
 
     def initialize(method_source)
+      raise "no nil" unless method_source
       @method_source = method_source
     end