file_list_add(): use "fgrep -x" instead of "fgrep -w"

fix procedure call (avoid second call during type request)

add support of alterator_export_proc()

add support of alterator_export_var()

use shell-var library.
add helper functions to simplify file list manipulations.

add write_blob_param function

add man page

fix run_localized()

add run_localized() and use it in _()

don't cut spaces from backend input

resurrect write_language() function; don't eval set_locale

add set_locale function

fix alterator-sh-functions to works with backends using sh -u

fix alterator-sh-functions to works with backends using sh -u
move exec 1>&2 to message_loop()
sh-functions)

fix library file permissions
write_debug: use ALTERATOR_DEBUG environment variable instead of DEBUG

don't quote booleans in write_table_item (by aspsk@)