Just work with the first item instead of a list

This was originally done as a list just in case that was ever useful, but,
well, it seems silly to have code for a case that's never used.

Ruby/lib/directededge/item.rb

@@ -36,7 +36,7 @@ def initialize(database, id)
     end
 
     def load
-      data = XML.parse(resource.get).first
+      data = XML.parse(resource.get)
       @data.keys.each { |key| @data[key].set(data[key]) }
       self
     end
@@ -51,7 +51,7 @@ def save
     private
 
     def cached?
-      @data.first.last.cached?
+      @data.values.first.cached?
     end
 
     def queued?(add_or_remove)

Ruby/lib/directededge/xml.rb

@@ -28,16 +28,15 @@ module DirectedEdge
   class XML
     def self.parse(text)
       doc = LibXML::XML::Parser.string(text).parse
-      doc.find('//item').map do |item|
-        {
-          :id => item['id'],
-          :links => item.find('//link').map { |l| Link.new(item['id'], l.first.to_s, l) },
-          :tags => Reader.list(item, '//tag'),
-          :preselcted => Reader.list(item, '//preselected'),
-          :blacklisted => Reader.list(item, '//blacklisted'),
-          :properties => Hash[item.find('//property').map { |p| [ p['name'], p.first.to_s ] }]
-        }
-      end
+      item = doc.find('//item').first
+      {
+        :id => item['id'],
+        :links => item.find('//link').map { |l| Link.new(item['id'], l.first.to_s, l) },
+        :tags => Reader.list(item, '//tag'),
+        :preselcted => Reader.list(item, '//preselected'),
+        :blacklisted => Reader.list(item, '//blacklisted'),
+        :properties => Hash[item.find('//property').map { |p| [ p['name'], p.first.to_s ] }]
+      }
     end
 
     def self.generate(item, with_root = true)