Don't need those package includes in rss.pl now
Implement destructor for DB.pm
A little rework of RSS output, ready for the collector to use methods in updating a file.
collector now generating static file if it found new posts.
NB: Current Directory must now be correct in order for this script to work.
If it can't find the RSS output file it will bail at the start.
Also it'll be relying on this in order to find its modules.
Revert "Implement destructor for DB.pm"

This reverts commit be0128f98730e77de87621bab956b2f798dfd1a7.
We need .rss file extention, and the web server will take care of the HTTP header(s)