core of gem done, spec pass

lib/twhois.rb

@@ -1,3 +1,24 @@
+# encoding: utf-8
+
+require 'rubygems'
+require 'net/http'
+require 'json'
+require 'hashie'
+
+require 'twhois/user'
+require 'twhois/version'
+
 module Twhois
-  # Your code goes here...
+  
+  LOOKUP_HOST = "api.twitter.com"
+  LOOKUP_PATH = "/1/users/show.json?screen_name="
+  
+  # Lookup a Twitter user by their username.
+  def self.lookup(username)
+    res = Net::HTTP.start(LOOKUP_HOST) { |http| http.get(LOOKUP_PATH + username) }
+    if res.code == '200'
+      User.new(JSON.parse(res.body))
+    end
+  end
+  
 end

lib/twhois/user.rb

@@ -0,0 +1,7 @@
+# encoding: utf-8
+
+module Twhois
+  class User < ::Hashie::Mash
+    
+  end
+end

lib/twhois/version.rb

@@ -1,3 +1,5 @@
+# encoding: utf-8
+
 module Twhois
   VERSION = "0.0.1"
 end