update todo

pd/nw/todo.txt

@@ -290,7 +290,7 @@ Everything else: (A [x] means we've fixed it)
     objects.  This will greatly simplify things like dialog_iemgui.html
 [ ] Figure out what pdtk_ping does
 [ ] Instead of hardcoded gui_post colors, set a class (warning, error, etc.)
-[ ] make pdsend able to take an arbitrary number of arguments
+[x] make pdsend able to take an arbitrary number of arguments
 
 Crashers
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