changes. There still remains some bugs to be squashed, a feature or two to
add, and some polishing to be done. However, it seems to be in a workable
state.
This prevents var substitution from being performed on the return value
of a function. The local variable ifs can now be set to specify a custom
field separator for use in for loops. file.find will also insert ifs
between file names instead of a space if it is set. file.find will also
no longer put . and .. in a list of file names.
