Instead on redirecting to INDEX, the $@ error is shown as HTML output.
tree93aebc9a520365b2b3ee54be5bc8dc1eaf7fa06e
-rw-r--r-- 14 .gitignore
-rw-r--r-- 5200 Gruta.pm
drwxr-xr-x - Gruta
-rw-r--r-- 266 Makefile.PL
-rw-r--r-- 887 TODO
drwxr-xr-x - examples
drwxr-xr-x - templates