[Patch] {l,r}just with optional pad character parameter

[beat.bolli at dware.ch.bbs]

> > Two reasons why not:
> > - it would have been harder to implement <wink>
> > - undetermined semantics:
> >   "GvR".ljust(6,"12") =?= "GvR121"
>
> This is exactly what I would expect -- a 6 char result string
>

I've been working on this last night; I implemented it for ljust, rjust and
center.
Right now I'm trying to integrate Unicode support, too. Let me know if you
want to see an intermediate version just for strings.

Beat Bolli
--
dware design & software GmbH
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E-Mail: beat.bolli at dware.ch