(ido-magic-forward-char, ido-magic-backward-char)

(ido-magic-forward-char, ido-magic-backward-char)
(ido-magic-delete-char): New commands for C-f, C-b, C-d.
(ido-wide-find-dir-or-delete-dir): New command for M-d.
(ido-define-mode-map): Bind them.  Add C-x prefix to fallback commands.
(ido-read-file-name): Handle commands with ido property value
equal to find-file as reading a file name, to allow C-d to enter dired.
(ibuffer-find-file): Add ido property with value find-file.