Moves mail messages specified by msglist to the
specified mailbox.
imap_streamAn IMAP stream returned by imap_open().
msglist
msglist is a range not just message numbers
(as described in RFC2060).
mailboxThe mailbox name, see imap_open() for more information
options
options is a bitmask and may contain the single option:
CP_UID - the sequence numbers contain UIDS