New command in directory devel: `py-functions-unused'

Report unused functions
Unused functions removed:

py--masterfile
py--delete-numbers-and-stars-from-string
py--process-name
py--fast-filter
py--insert-coding
py--if-needed-insert-shell
py--eos-handle-string-start
py--handle-eol
py--eos-handle-singlequoted-string-start
py-eos-handle-doublequoted-string-start
py--eos-handle-comment-start
py--go-to-keyword-above
py--narrow-in-comint-modes
py-end-of-clause-intern
py--statement-closes-block-p
py--statement-opens-def-or-class-p
py--statement-opens-def-p
py--statement-opens-class-p
py--statement-opens-block-or-clause-p
py--statement-opens-clause-p
py--end-of-line-p
py--beginning-of-line-p
py--font-lock-syntactic-face-function
py-end-of-defun-function
py-beg-of-defun-function
py-outline-level
py--check-comint-prompt
py-util-clone-local-variables