fix bad calls to debug function.  use flac instead of sox, since RHEL doesn't provide a recent enough version of sox.

set_cid_name.lua A script that sets effective_caller_id_name if it finds a matching number in a .csv file.

refactor custom setting of min/max digit length in get_digits action -- now either can be set to the length of a string by passing it to the parameter prefixed with a colon.

add 'exact_match' parameter to get_digits action -- convenience parameter which configures min_digits, max_digits, and digits_regex parameters for best user experience when the digits to be entered are already known.  useful for password validation.

All fs_cli commands are now excepted by fs_logger.pl, added execute on quit commands for cleanup, fs_logger debug mode, and default to fs debug level 7