Use new twitter gem style in archiver

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]
+        config.access_token = @config[:oauth_token]
+        config.access_token_secret = @config[:oauth_token_secret]
       end
-
-      Twitter::Client.new
     end
 
     def initialize(username, path, client=nil)

twitter_ebooks.gemspec

@@ -19,7 +19,6 @@ Gem::Specification.new do |gem|
   gem.add_development_dependency 'memory_profiler'
   gem.add_development_dependency 'pry-byebug'
 
-
   gem.add_runtime_dependency 'twitter', '~> 5.1'
   gem.add_runtime_dependency 'tweetstream'
   gem.add_runtime_dependency 'rufus-scheduler'