Fixed bug (illegal div by 0) if "no_columns" wasn't numeric, also fixed
-rw-r--r-- BUGS
-rw-r--r-- Changes
-rw-r--r-- MANIFEST
-rw-r--r-- MANIFEST.SKIP
-rw-r--r-- Makefile.PL
-rw-r--r-- README
-rw-r--r-- TODO
drwxr-xr-x bin
drwxr-xr-x lib
drwxr-xr-x t