more bug fixes:

- make readline use packages, not old YAP code
- fix ! over backtrack cps
- fix write list

C/save.c

@@ -1753,6 +1753,8 @@ Restore(char *s, char *lib_dir)
   }
 
   Yap_ReOpenLoadForeign();
+  /* restore SWI IO */
+  initIO ();
   Yap_InitPlIO();
   /* reset time */
   Yap_ReInitWallTime();