update twitter gem to 5.0

lib/twitter_ebooks/archive.rb

@@ -31,14 +31,12 @@ module Ebooks
         end
       end
 
-      Twitter.configure do |config|
+      Twitter::REST::Client.new do |config|
         config.consumer_key = @config[:consumer_key]
         config.consumer_secret = @config[:consumer_secret]
         config.oauth_token = @config[:oauth_token]
         config.oauth_token_secret = @config[:oauth_token_secret]
       end
-
-      Twitter::Client.new
     end
 
     def initialize(username, path, client=nil)