refactor hcard for faster testing

lib/hcard.rb

@@ -3,11 +3,18 @@
 #   the COPYRIGHT file.
 
 module HCard
-  def self.find url
-    doc = Nokogiri::HTML(Net::HTTP.get URI.parse(url))
+  def self.fetch url
+    Nokogiri::HTML(Net::HTTP.get URI.parse(url))
+  end
+
+  def self.parse doc
     {:given_name => doc.css(".given_name").text,
     :family_name => doc.css(".family_name").text,
     :url => doc.css("#pod_location").text,
     :photo => doc.css(".photo[src]").text}
   end
+
+  def self.find url
+    self.parse self.fetch(url)
+  end
 end