Remove Twitter#client?

lib/twitter.rb

@@ -40,29 +40,19 @@ class << self
     #
     # @return [Twitter::Client]
     def client
-      return @client if instance_variable_defined?(:"@client") && @client.hash == options.hash
+      return @client if instance_variable_defined?(:@client) && @client.hash == options.hash
       @client = Twitter::Client.new(options)
     end
 
-    # Has a client been initialized on the Twitter module
-    #
-    # @return [Boolean]
-    def client?
-      !!client
+    def method_missing(method_name, *args, &block)
+      return super unless respond_to_missing?(method_name)
+      client.send(method_name, *args, &block)
     end
 
     def respond_to_missing?(method_name, include_private=false)
       client.respond_to?(method_name, include_private)
     end
 
-  private
-
-    def method_missing(method_name, *args, &block)
-      return super unless respond_to_missing?(method_name)
-      client.send(method_name, *args, &block)
-    end
-
   end
+  setup
 end
-
-Twitter.setup

lib/twitter/client.rb

@@ -93,10 +93,7 @@ def request_setup(method, path, params, signature_params)
           request.headers[:content_type] = 'application/x-www-form-urlencoded; charset=UTF-8'
           request.headers[:accept] = '*/*' # It is important we set this, otherwise we get an error.
         elsif params.delete(:app_auth) || !user_token?
-          unless bearer_token?
-            @bearer_token = token
-            Twitter.client.bearer_token = @bearer_token if Twitter.client?
-          end
+          @bearer_token = token unless bearer_token?
           request.headers[:authorization] = bearer_auth_header
         else
           request.headers[:authorization] = oauth_auth_header(method, path, signature_params).to_s