Make the slot primitive in a <primitive-call> constant, the
setter was not used at all.

Also, remove dead code which set the function slot (unfortunately,
the inline-copier in check.dylan:210/215 uses the function-setter)
Merge pull request #682 from hannesm/more-constant

Make the slot primitive in a <primitive-call> constant, the
[io] Add format-err, force-err.

These are the same as format-out and force-out, but operate on
*standard-error* instead of *standard-output*.
Merge pull request #685 from waywardmonkeys/format-err

[io] Add format-err, force-err.
Merge pull request #622 from BarAgent/dep-0007

DEP-0007 Type-Safe Limited Collections
Reverting due to bootstrap issues
 (old compiler [release] cannot build dylan library anymore)

Revert "Merge pull request #622 from BarAgent/dep-0007"

This reverts commit 28e4204e4e7fb678d91a6f92c9abe6c5d7b7c251, reversing
changes made to 0132fff67adab02b16970bd58ceb0e0695cc637e.
Merge pull request #687 from hannesm/revert_pull_request_1

Reverting due to bootstrap issues
objc-selector-definer requires type-encoding.
Merge pull request #688 from waywardmonkeys/selector-type-encoding

objc-selector-definer requires type-encoding.
Made it possible to override the release tarball version