Move the Gnus range functions to a new range.el file

Move the Gnus range functions to a new range.el file

* lisp/emacs-lisp/range.el: New file.

* lisp/gnus/gnus-agent.el (range):
(gnus-agent-synchronize-group-flags):
(gnus-agent-possibly-alter-active):
(gnus-agent-fetch-headers):
(gnus-agent-read-agentview):
(gnus-agent-fetch-group-1):
(gnus-agent-read-p):
(gnus-agent-expire-group-1):
(gnus-agent-retrieve-headers): Adjust callers.

* lisp/gnus/gnus-art.el (range):
(gnus-article-describe-bindings):

* lisp/gnus/gnus-cloud.el (range):
(gnus-cloud-available-chunks):

* lisp/gnus/gnus-draft.el (gnus-group-send-queue):

* lisp/gnus/gnus-group.el (range):
(gnus-group-line-format-alist):
(gnus-number-of-unseen-articles-in-group):
(gnus-group-update-eval-form):
(gnus-group-read-group):
(gnus-group-delete-articles):
(gnus-group-catchup):
(gnus-group-expire-articles-1):
(gnus-add-marked-articles):

* lisp/gnus/gnus-int.el (gnus-request-marks):

* lisp/gnus/gnus-kill.el (gnus-apply-kill-file-internal):

* lisp/gnus/gnus-range.el (gnus-range-difference)
(gnus-sorted-range-intersection, gnus-uncompress-range)
(gnus-add-to-range, gnus-remove-from-range)
(gnus-member-of-range, gnus-list-range-intersection)
(gnus-list-range-difference, gnus-range-length, gnus-range-add)
(gnus-range-map): Make into obsolete aliases.

* lisp/gnus/gnus-start.el (gnus-make-articles-unread):
(gnus-convert-old-ticks):
(gnus-read-old-newsrc-el-file):

* lisp/gnus/gnus-sum.el (gnus-select-newsgroup):
(gnus-articles-to-read):
(gnus-articles-to-read):
(gnus-killed-articles):
(gnus-adjust-marked-articles):
(gnus-update-marks):
(gnus-update-marks):
(gnus-compute-read-articles):
(gnus-list-of-read-articles):
(gnus-summary-update-info):
(gnus-summary-move-article):
(gnus-summary-expire-articles):
(gnus-update-read-articles):
(gnus-summary-insert-old-articles):
(gnus-summary-insert-old-articles):
(gnus-summary-insert-old-articles):

* lisp/gnus/mail-source.el (gnus-range):
(gnus-compress-sequence):

* lisp/gnus/nnheader.el (range):
(gnus-range-add):
(nnheader-update-marks-actions):

* lisp/gnus/nnimap.el (nnimap-update-info):
(nnimap-update-info):
(nnimap-update-info):
(nnimap-update-qresync-info):
(nnimap-update-qresync-info):
(nnimap-update-qresync-info):
(nnimap-parse-copied-articles):

* lisp/gnus/nnmaildir.el (nnmaildir-request-update-info):
(nnmaildir-request-update-info):
(nnmaildir-request-expire-articles):
(nnmaildir-request-expire-articles):
(nnmaildir-request-set-mark):

* lisp/gnus/nnmairix.el (nnmairix-request-set-mark):

* lisp/gnus/nnmbox.el (nnmbox-record-active-article):
(nnmbox-record-deleted-article):

* lisp/gnus/nnml.el (nnml-request-compact-group):

* lisp/gnus/nnvirtual.el (nnvirtual-request-expire-articles):
* lisp/gnus/nnselect.el (numbers-by-group):
(nnselect-request-update-info):
(nnselect-push-info):