Adds a few enhancement features for reddit comments. Highlights new comments since your last visit; highlights comments which have more karma then its direct parent comment; highlights comments which have negative karma.
Changelog: 1.5.5 -now works on subdomains -now works in subreddits with alphanumeric characters -some minor style changes 1.5.4 -fixed not working 1.5.3 -fixed a bog which has caused the script to hkald when the comment was too young to display score 1.5.2 -some more fugs resulting from reddit changes 1.5.1 -fixed reddit changes 1.4.2 -tweaked some colors and timing 1.4.1 -added highlighting comment with negative karma -added color shading dependent on the new comment age -added an option to manually edit the time of the last thread visit 1.3.1 -Added expiration for localstorage, defaulted to 14 days. It won't grow indefinately now. -Reduced the amount of console.log clutter