fixed a major flaw regarding CL URLs

Craig's List uses absolute and relative URLs in section listings
This is either new, or I missed it, before. Either way, the script will
now scrape for both absolute and relative URLs, and should catch everything
Fix bug re: post titles with '(' in them.

Post location is inside parens at the end of the line;
(location)$

I ran into a post title where '(' was the last character of the title and
that caused a bad regex error. This should /hopefully/ fix that.