Respect symlinks in bin/ls (#989)

* initial fix for #988

* make some things one line

* Move Mark Jason Dominus attribution into Pod

* rewrap some things to take up less space

* start making a modulino, and shortening a lot of code

* big cleanup of bin/ls, and can now handle symlinks in directories #988

* beginning tests for ls

* Update MANIFEST

* add -w, and fix testing default -1

* silence a couple of warnings in run.t

* silence some debugging output

* back out change that reduced the number of columns by 1

Author: briandfoy

MANIFEST

@@ -154,8 +154,10 @@ t/echo/echo.t
 t/factor/factor.t
 t/false/false.t
 t/find/find.t
+t/glob/glob.t
 t/lib/common.pl
 t/lib/utils.pm
+t/ls/ls.t
 t/mimedecode/000.basic.t
 t/nl/nl.t
 t/od/od.t