Relative Time

Converts a date/time string to relative time, e.g. "less than a minute ago", "about 3 hours ago", "about 26 days from now", etc. from minutes to years. This is meant to be cloned and used as an external pipe module, so you won't see anything below if you run this. For a visible demo, please see http://pipes.yahoo.com/plumber/reltimedemo -- http://pipes.tumblr.com/post/32192166