How to partition an application

I am slowly moving along with my Wget
app - thanks to the help from this list.  

However I now need to understand how
to 'package' my app so that it is most useful to other people.  It
seems as though there are 3 things I could do:

1. Add code to the HttpClient and Httpsocket
(possibly moving some of the instance code to the class side)
2. Subclass the two classes
3. Leave them exactly as they are and
put all the code in my new Wget class.

It seems to me that putting it all into
the Wget object would make it easiest for people to use it, but perhaps
it makes it harder for people to reuse the code elsewhere, i.e. some of
the 'helper' methods might be useful in a number of different situations
- nothing to do with Wget.  Subclassing the other objects seems simple,
but - presumably - if everyone were to share their work this way we would
end up with many many different versions of the basic classes (perhaps
that would be a good thing but it could also be confusing). Finally, changing
the basic objects keeps the class hierarchy clean, but I imagine most people
wouldn't want to have someone else's code messing around with their classes.

So...  what is the best way to
develop Squeak code so that other people can use it?

Cheers
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