A helper class that parses Dates out of Strings with date time in RFC822 and W3CDateTime
formats plus the variants Atom (0.3) and RSS (0.9, 0.91, 0.92, 0.93, 0.94, 1.0 and 2.0)
specificators added to those formats.
To address issue with certain feeds (brought up by Charles Miller):
"During the debacle that was the rollout of RSS2.0, this namespace was tried,
and even appeared in Dave Winer's Scripting News feed for a while.