lines()  =>  file::as_lines()
regex::find_first_group()  needed to be reworked for the new semi-exception handling.  See  silent_regex_find_first_group()  for the case statement I'm using.
- list::tabulate()  was removed.  See  string_multiplier()  for the for loop I'm using.
Oh yeah, now I remember what   variable := foo   and   *variable   mean..
- fprintf  and file-related stuff had to be reworked, mainly using  file::from_lines  .. there's more left to do though.