[R6RS] Core/lib split

[Anton van Straaten]

dyb at cs.indiana.edu wrote:
> According to my notes, we decided to put them in the list library only.
> 
> As I recall, the theory is that, if we're removing I/O anyway, the base
> library is really just the foundation upon which larger libraries will be
> built and should be kept rather small; that we should keep the assoc,
> member, and remove families together; and therefore rather than expanding
> the base by adding assp, memp, and the remove family we should put all of
> the assoc, member, and remove families into the list library only.

Thanks.  I've committed an update of the core/lib split to reflect this 
(rev 879).