String efuns

The following efuns exist for working with strings:

<DL>
*  capitalize
*  clear_bit
*  crypt
*  explode
*  implode
*  lower_case
*  next_bit
*  pluralize
*  reg_assoc
*  regexp
*  replace_string
*  set_bit
*  sprintf
*  sscanf
*  strcmp
*  stringp
*  strlen
*  strsrch
*  terminal_colour
*  test_bit
</DL>

 Tim Hollebeek  Beek@ZorkMUD, Lima Bean, IdeaExchange, and elsewhere
