Parses one line street addresses and returns a normalized address object.

This is a near direct port of the of the perl module
Geo::StreetAddress::US originally written by Schuyler D. Erle.
For more information see
http://search.cpan.org/~sderle/Geo-StreetAddress-US-0.99/

WWW:    http://streetaddress.rubyforge.org