create-directory* returns #t if the directory already exists
Auto-normalizing directory paths in tar-create to have a / suffix.
Adding assoc-get-list analog of conf-get-list.
Making assoc-get[-list] permissively ignore of non-pair entries.
Updating conf-specialize with the new record type.
Adding uri-has-scheme? utility.
Reversing logic of uri-has-scheme?.
Handling streams separately in file-position since fseek doesn't
return the same value as lseek.  Fixes issue #220.
Fixing possible overflow in random bignums.
Fixes issue #222.
Using bytevectors for random state.
Disabling test broken on Linux.
Resetting port offset when seeking on an fd-backed port.
Moving ephemerals into the core.  Using them as a weak table to store filenos,
and enforcing the invariant that there is only one fileno object with a given
number at a time.
Using a hash for the fileno table.
Adding an optional count arg to regexp-replace to replace just the nth match.
If we lookup a fileno that was cached but closed we need to reopen it.
Updating regexp-match-num-matches to SRFI 115 regexp-match-count.
Adding maybe-gunzip utility for optionally compressed inputs.
Adding http-get-to-file utility.
execute and related functions accept symbol and number arguments.
Fixing over-optimistic shortcut in factor.
Exposing the body of perfect? as aliquot.