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CurrencySource - Fetches exchange rates from currencysource.com

by Kieran Johnson
http://github.com/kieranj/currency_source

Installation:

$ gem sources -a http://gems.github.com/ (you only need to do this once)
$ gem install kieranj-currency_source

Usage:

require 'rubygems'
require 'kieranj-currency_source'

c = CurrenySource::Currency.new("GBP")
c.exchange_rate("USD") # => "1.45"