Stricter error checking in fontutil.

But switch back to the original intent of only being compiled if neither
__unix__ or _Win32 is defined.

(Cause: \n was passed through to cputs() which does the expansion)

Unix-formatted text files on terminals that don't handle this expansion.

Three bugs fixed (1 display-related, two possible segfaults)
Filenames lowercased.

generator (when available).

PauseOnAbend now works correctly for all error conditions.

on FreeBSD.

adding a new section (to the end of the .ini file).
Created iniSetDefaultStyle() - to be used to override the static default style
settings in ini_file.c.
Bug-fix, don't use ini_style_t.section_separator for first section in file.

an exception/segfault).

assertion failure when UEDIT is called from a debug binary.