OK, big win: the oblist is now a hashmap, and it works. I have clear ideas now

about how to implement namespaces. There are probably regressions in this, but
progress nevertheless!

src/io/io.h

@@ -36,5 +36,5 @@ struct cons_pointer
 lisp_slurp( struct stack_frame *frame, struct cons_pointer frame_pointer,
             struct cons_pointer env );
 
-
+char *lisp_string_to_c_string( struct cons_pointer s );
 #endif

src/io/print.c

@@ -102,7 +102,7 @@ void print_map( URL_FILE * output, struct cons_pointer map ) {
             print( output, hashmap_get( map, key ) );
 
             if ( !nilp( c_cdr( ks ) ) ) {
-                url_fputws( L", ", output );
+                url_fputws( L" ", output );
             }
         }