Fixes to libdisasm, also use it a bit more

regression_tester.rb

@@ -14,6 +14,7 @@ def perform_test(exepath,filepath,outname,args)
 	filepath=path_local(filepath)
 	joined_args = args.join(' ')
 	printf("calling:" + "#{exepath} -a1 #{joined_args} -o#{output_path}.a1 #{filepath}\n")
+	STDERR << "Errors for : #{filepath}"
 	result = `#{exepath} -a1 -o#{output_path}.a1 #{filepath}`
 	result = `#{exepath} -a2 #{joined_args} -o#{output_path}.a2 #{filepath}`
 	result = `#{exepath} #{joined_args} -o#{output_path} #{filepath}`